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PREMIUM
Frontend • Junior • 8+ years exp • 7+ years ML exp • Fully remote • Relocation • English: B2
A frontend-focused UI engineer at a junior level who delivers single-file, end-to-end client features. The strongest proven skill is client-side UI implementation with validated API interaction, exemplified by generatePaletteFromApi and displayPalette in unstonio/colorGPT/index.html. There is little evidence of component architecture, testing, advanced accessibility, or performance engineering in public code.
Skills
Python• Middle • 8y+ • 5+ projects
Frontend
Frontend
AI/ML
AI Agents• 7y+ • 3 projects
Job preferences
Fully remote
Preferred tech stack
Python
AI Agents
Not interested
Request to chat
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PREMIUM
Backend • Middle
A pragmatic backend/API engineer at an experienced mid-to-senior level who builds small production systems end-to-end. The strongest proven skill is implementing REST services and payment/subscription flows with concrete idempotency and schema-evolution measures (see server/src/index.js and server/src/db.js). The public code lacks systematic testing, advanced distributed-systems patterns, and formal secrets/CI hardening documentation.
Skills
Node JS• Middle
Python• Middle
Node JS
Bcrypt
Express
Python
Asyncio
aiogram
Pydantic
Aiohttp
Databases
SQLite
AI/ML
OpenAI SDK
huggingface_hub
Anthropic SDK
DevOps
Containers
Cloud
SRE
Expertise
Backend Node.js Python Backend AI & LLM Microservices & API Architecture Middle
A pragmatic backend/API engineer at an experienced mid-to-senior level who builds small production systems end-to-end.
DevOps Site Reliability Engineering Platform Engineering & IDP Middle
A practical generalist engineer at a solid middle level who builds serverless ML inference workers and media-processing handlers.
AI/ML Audio & Speech Processing Intern
A pragmatic developer working at a junior level, focused on building production inference wrappers and serverless endpoints for TTS.
Not interested
Request to chat
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PREMIUM
AI/ML • Middle
A backend-focused engineer at about a Senior level who authors production Python services and non-trivial domain logic. The strongest proven skill is building reliable document-consolidation backend logic and a file-backed registry - evidenced by contract_mvp/engine.py (consolidation algorithms) and contract_mvp/registry.py (transactional storage, revision management) with tests. Public code lacks evidence of multi-service distributed design, systematic migration history, or mature observability/ops integrations.
Skills
Kotlin• Middle
Python• Middle
Kotlin
Hilt
Kotlin Coroutines
Retrofit
OkHttp
Kotlin Flow
Python
FastAPI
Databases
Databases
SQLite
AI/ML
Pandas
NumPy
PaddlePaddle
PaddleOCR
OpenCV
Mobile
Jetpack Compose
Android SDK
Android
Material3
ViewModel
SQLCipher
Room
DevOps
Rest API
Expertise
AI/ML Document Intelligence & OCR LLM Middle
A pragmatic engineer who builds production-ready document intelligence systems with reliable data pipelines, OCR/layout parsing and LLM-assisted extraction.
Backend Python Microservices & API Architecture Middle
A backend-focused engineer at about a Senior level who authors production Python services and non-trivial domain logic.
Mobile Android Mobile Performance & Optimization Mobile UI/UX Mobile Security & App Integrity Middle
An experienced Android engineer focused on Android TV platform work, at a senior level for native platform integration and concurrency.
Not interested
Request to chat
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Active 5 days ago
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PREMIUM
Backend • Senior • 9+ years exp • 34 years • Moscow, Russia
A backend-focused engineer working at a solid senior level who builds API-driven LLM and integration services. The strongest proven skill is building LLM-backed evaluation pipelines and orchestration, evidenced by judge.py system prompts, Temporal workflows (temporal/workflows.py) and judge-related activities integrating embedding retrieval and Kafka publishing. There is limited public evidence of production-grade secrets management, API versioning, and full-scale system observability (tracing/alerts) in code shown.
Skills
Node JS
JavaScript
TypeScript
SQL
Python• Senior • 3y+
Node JS
Dotenv
Puppeteer
Python
Beautiful Soup
Aiohttp
aiogram
SQLAlchemy
Asyncio
Alembic
Uvicorn
Requests
python-telegram-bot• 9y+
HTTPX
FastAPI
Databases
SQLite
Redis
pgvector
ClickHouse
Apache Kafka
MS SQL• 9y+
PostgreSQL
AI/ML
Embeddings
Cursor
CUDA Toolkit
Claude Code
ChatGPT
Anthropic SDK
RunPod
PyTorch
Perplexity
Model Context Protocol
LLM
Whisper
YandexGPT
Transformers
Claude• 3y+
NLP• 3y+
RAG
Frontend
React Query
React Router
PostCSS
Vite
Tailwind CSS
React.js
Next.js
DevOps
Docker Compose
Caddy
Docker
Nginx
Grafana
Debian
Git
Observability
Containers
Rest API
Ubuntu
QA
Playwright
Postman• 3y+
Expertise
Backend Backend AI & LLM Databases & Vector Storage Messaging & Real-time Microservices & API Architecture Python Senior
A backend-focused engineer working at a solid senior level who builds API-driven LLM and integration services.
AI/ML LLM RAG MLOps & Model Lifecycle Middle
A pragmatic engineer who builds LLM-backed production services and integrations and is at an early senior / strong-middle level.
DevOps Observability & Monitoring Middle
A practical generalist-level engineer comfortable building Python services, integrations and small data/automation tools.
Timeline
Technical Founder · Skladnoystol.ru · Executive
Nov 2017 to Present 8 Years 10 Months
python-telegram-bot
Claude
MS SQL
Project Manager / Call Center Team Lead · D&D Group · Lead
Nov 2013 to Oct 2017 3 Years 11 Months
Job preferences

Project Manager

Preferred tech stack
Python
Node JS
SQL
JavaScript
Rest API
Caddy
Docker
Claude
NLP
RAG
MS SQL
pgvector
Redis
Next.js
React Query
React Router
Postman
Playwright
Not interested
Request to chat
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PREMIUM
Backend • Middle • English: B1
A pragmatic backend engineer at a middle level who builds end-to-end asynchronous Telegram bot features and payment integrations. The strongest proven skill is implementing payment-related flows and local persistence, supported by the SQLite manager (tgbot/sqlite/database.py) and scheduled payment-check logic (tgbot/apscheduler/check_bitcoin_payment.py). The work shows modular bot architecture and integrations but lacks migration histories, systematic retries/backoff, formal API contracts or observability/metrics instrumentation.
Skills
Python• Middle • 3y+
Python
Aiohttp
Asyncio
aiogram
Databases
MongoDB
SQLite
Expertise
Backend Python Messaging & Real-time Databases & Vector Storage Middle
A pragmatic backend engineer at a middle level who builds end-to-end asynchronous Telegram bot features and payment integrations.
DevOps Middle
A practical developer building a production-oriented Telegram bot with payment integration, at a solid junior-to-middle level.
Not interested
Request to chat
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PREMIUM
AI/ML • Middle
A pragmatic backend engineer at a solid middle level who builds customer-facing APIs and integrations end-to-end. The strongest proven skill is building messaging and auth flows with persistence and security measures, demonstrated by the Telegram bot (skysamurai/kolbot/bot/bot.py) and the FastAPI auth service (skysamurai/kolbot/example_webapp_auth/backend.py). There is limited evidence of large-scale distributed architecture, formal observability, or extensive schema migration history in the human-authored code.
Skills
Python• Middle
Node JS• Middle
JavaScript• 3y+
Python
Pydantic
Uvicorn
Requests
HTTPX
FastAPI
Node JS
Bcrypt
Databases
SQLite
Supabase
Expertise
AI/ML Conversational AI & Chatbots Middle
A pragmatic generalist developer at a solid junior-to-middle level who builds production web backends, Telegram chatbots and automation glue.
Backend Python Messaging & Real-time Microservices & API Architecture Databases & Vector Storage Middle
A pragmatic backend engineer at a solid middle level who builds customer-facing APIs and integrations end-to-end.
Frontend HTML & CSS Intern
A front-end focused developer at a Junior level who delivers polished static landing pages with well-considered visual design.
Not interested
Request to chat
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PREMIUM
DevOps • Senior • 4+ years exp
A seasoned generalist developer who builds production-grade async microservices and background processing pipelines at a senior level. The strongest proven skill is reliable async ingestion and processing - demonstrated by the AudioIngestService (chunk manifest, idempotency, checksum validation) and AudioProcessingService plus the worker with retry/backoff in app/workers/audio.py. The public code does not show advanced CI/CD pipelines, cloud-native orchestration (Kubernetes manifests), SLOs/runbooks or explicit secrets management for production.
Skills
Python• Senior • 4y+
Python
Pydantic
HTTPX
structlog
Aiohttp
aiogram
Asyncio
Celery
Alembic
SQLAlchemy
Django
FastAPI
Databases
PostgreSQL
Redis
DevOps
Alpine Linux
Docker Compose
QA
Pytest
Expertise
DevOps Observability & Monitoring Senior
A seasoned generalist developer who builds production-grade async microservices and background processing pipelines at a senior level.
Backend Python Microservices & API Architecture Messaging & Real-time Databases & Vector Storage Middle
A pragmatic backend engineer at a solid middle level who implements and composes microservices, async APIs and bot integrations.
Quality Assurance (QA) SDET & Test Engineering Unit & Component Testing Middle
A backend-focused engineer at a middle level who builds microservices and supports test harnesses for async Python services and a Telegram bot.
Not interested
Request to chat
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Active 26 days ago
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PREMIUM
AI/ML • Senior • 4+ years exp • Moscow, Russia • In office, Partially remote, Fully remote • Relocation
An experienced backend/LLM engineering practitioner at a Senior level focused on building production LLM observability and RAG systems. The strongest proven skill is engineering resilient, async observability pipelines and SDKs, as evidenced by the tracer/transport code and extensive integration tests. There is little to no evidence of custom model training, novel architectures or experiment-tracking infrastructure in the public code.
Skills
SQL
JavaScript
Python• Senior • 4y+
Python
Pydantic
structlog
Asyncio• 4y+
SQLAlchemy• 4y+
FastAPI• 4y+
Django• 4y+
Alembic• 4y+
HTTPX• 4y+
Databases
Redis• 3y+
SQLite• 3y+
pgvector• 3y+
PostgreSQL• 3y+
AI/ML
RAG• 3y+
AI Agents• 3y+
LLM• 3y+
Frontend
React.js
DevOps
AWS
CI/CD
Git
Nginx
Rest API
Prometheus
OpenTelemetry
Docker• 3y+
QA
Pytest
Expertise
AI/ML LLM RAG Senior
An experienced backend/LLM engineering practitioner at a Senior level focused on building production LLM observability and RAG systems.
Backend Backend AI & LLM Microservices & API Architecture Messaging & Real-time Databases & Vector Storage Senior
A backend-focused API engineer at a senior level who has built a production-grade LLM observability service and SDK.
DevOps Middle
A pragmatic backend-focused generalist at a middle level who builds small-to-medium Python web and DB applications.
Timeline
AI / Backend Engineer · LLM Obs · Middle
Jan 2023 to Present 3 Years 8 Months
Docker
PostgreSQLsince 2023
Redis
pgvector
LLM
+4
Python Developer · T1 · Middle
Apr 2025 to Apr 2026 1 Year
Python
PostgreSQL
SQLAlchemy
System Administrator · Republican Comprehensive Center for Social Services of the Udmurt Republic · Middle
Nov 2024 to Apr 2025 5 Months
Job preferences

AI Engineer

In office, Partially remote, Fully remote
Preferred tech stack
AI Agents
LLM
RAG
Python
SQL
JavaScript
AWS
CI/CD
Docker
PostgreSQL
pgvector
Redis
Pytest
React.js
Not interested
Request to chat
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Active 24 days ago
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PREMIUM
AI/ML • 14+ years exp • 39 years • Vitebsk, Belarus • In office, Partially remote, Fully remote
Python-focused developer with backend and fullstack experience building web services, APIs, and data-intensive systems. Worked with Django/FastAPI, PostgreSQL, async processing (Celery) and messaging (RabbitMQ), implemented OAuth2, and wrote automated tests. Also contributed to AI/NLP enrichment pipelines using LangChain/LangGraph and OpenAI integrations.
Skills
SQL
JavaScript
Python• Junior • 14y+
Python
Django REST Framework
Flask
Celery• 10y+
Django• 10y+
Alembic• 3y+
FastAPI• 3y+
Pydantic• 3y+
SQLAlchemy• 3y+
Databases
MySQL
RabbitMQ• 10y+
PostgreSQL• 10y+
Redis• 3y+
AI/ML
AWS Bedrock
LangChain
LangGraph
Frontend
Redux
Redux Toolkit
React.js
JQuery
Bootstrap• 15y+
DevOps
Amazon EC2
Datadog
Docker Swarm
Git
Nginx
Rest API
Docker• 10y+
Docker Compose• 10y+
Bitbucket• 10y+
DigitalOcean• 10y+
GitLab CI• 3y+
AWS
AWS Lambda
Cybersecurity
GDPR
PCI DSS
QA
Pytest• 3y+
Timeline
Backend Developer · Biblical Study Platform · Middle
Jun 2025 to Present 1 Year 3 Months
Alembic
FastAPI
SQLAlchemy
Pydantic
LangChain
+10
Fullstack Developer · Kongi.tech · Middle
Aug 2023 to Apr 2025 1 Year 8 Months
Django
FastAPIsince 2023
SQLAlchemysince 2023
Alembicsince 2023
Pydanticsince 2023
+7
Fullstack Developer · sitngo.me · Middle
Aug 2016 to Jun 2018 1 Year 10 Months
Djangosince 2016
Celerysince 2016
PostgreSQLsince 2016
RabbitMQsince 2016
Bitbucket
+3
Fullstack Developer · Postim.online · Middle
Django
Django REST Framework
Celery
PostgreSQL
Redis
+5
Backend Developer · Srochnyi-vykup.belauction.by · Middle
Django
Celery
PostgreSQL
RabbitMQ
Docker
+1
Job preferences

Backend Developer

In office, Partially remote, Fully remote
Preferred tech stack
Docker
Docker Compose
GitLab CI
LangChain
LangGraph
AWS Bedrock
Python
JavaScript
SQL
PostgreSQL
RabbitMQ
Redis
Bootstrap
JQuery
React.js
Pytest
GDPR
PCI DSS
Not interested
Request to chat
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PREMIUM
Backend • Middle
A practical backend engineer at a middle level who delivers full-stack backend features (APIs, async DB access, background jobs and basic real-time). The strongest proven skill is building REST/real-time services with async SQLAlchemy and auth flows, evidenced by the FastAPI-based booking service (app/auth.py, app/db/crud.py, app/api/bookings.py). There is limited evidence of production-grade operational hardening such as advanced resiliency patterns, rate limiting, or detailed infrastructure / deployment automation.
Skills
Python• Middle
Python
FastAPI
Uvicorn
SQLAlchemy
Asyncio
Alembic
Celery
Pydantic
Databases
Redis
PostgreSQL
Frontend
Chart.js
DevOps
Containers
WebSockets
Docker Compose
Expertise
Backend Python Microservices & API Architecture Messaging & Real-time Databases & Vector Storage Backend AI & LLM Middle
A practical backend engineer at a middle level who delivers full-stack backend features (APIs, async DB access, background jobs and basic real-time).
DevOps Observability & Monitoring Middle
A backend-focused generalist at a Middle level who builds Python/FastAPI services and small-scale deployments.
Frontend HTML & CSS Intern
A frontend-focused developer at a junior level who delivers small, pragmatic UI work and simple telemetry visualizations.
Not interested
Request to chat
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PREMIUM
Backend • Senior
A senior-level automation engineer focused on resilient browser automation and worker orchestration, with clear ownership of a complex Playwright-based runtime. The strongest proven skill is building robust browser runtime orchestration and recovery logic, evidenced by BoostCard/backend/app/worker/tasks.py (ProfileRuntimeManager, cdp launch semaphore, watchdogs and detailed diagnostics). Public code lacks dedicated test-infra patterns like contract testing or load-test harnesses and there are limited CI/flake-engineering artifacts visible.
Skills
TypeScript• Senior
Python• Senior
JavaScript• Senior
Python
FastAPI
Alembic
Celery
Beautiful Soup
HTTPX
SQLAlchemy
Pydantic
Databases
PostgreSQL
Redis
RediSearch
Apache Kafka
DevOps
AWS Lambda
Docker Compose
QA
Playwright
Pytest
Expertise
Backend Backend AI & LLM Python Microservices & API Architecture Messaging & Real-time Senior
A backend API engineer at a senior level who builds production web services integrating crawling, analysis and LLM-driven fixes.
DevOps Site Reliability Engineering Observability & Monitoring Senior
A backend-focused generalist at a lower-senior level who designs and implements production web services and AI-driven content pipelines.
Quality Assurance (QA) SDET & Test Engineering Unit & Component Testing API Testing & Contract Validation Senior
A senior-level automation engineer focused on resilient browser automation and worker orchestration, with clear ownership of a complex Playwright-based runtime.
Not interested
Request to chat
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PREMIUM
AI/ML • Senior • 31 year • Moscow, Russia • In office
A production-focused LLM/AI engineer at a senior level who designs orchestration and multimodal generation pipelines rather than training new models. The strongest proven skill is building robust generative pipelines and media-oriented orchestration, demonstrated by the SonGo pipeline's subtitle alignment, lip-sync shot planning and multi-provider generation/fallback logic (songo_pipeline/live_services.py and pipeline.py). There is little or no evidence of custom model training, formal experiment tracking, or reproducible training workflows in public code.
Skills
SQL
Python• Senior
Python
Asyncio
Uvicorn
HTTPX
aiogram
FastAPI
Databases
PostgreSQL
Supabase
AI/ML
AI Agents
Claude
Claude Code
Cursor
Embeddings
Fine-tuning
ElevenLabs
Whisper
Google GenAI SDK
Gemini
OpenRouter
Qwen
PEFT
OpenAI SDK
RAG
PyTorch
LLM
LoRA
DevOps
Docker
Git
Rest API
Vector
Expertise
AI/ML LLM Senior
A production-focused LLM/AI engineer at a senior level who designs orchestration and multimodal generation pipelines rather than training new models.
Backend Backend AI & LLM Python Messaging & Real-time Senior
A senior backend engineer focused on Python services and AI integrations with production-grade bot and media-pipeline experience.
Timeline
AI Engineer (R&D) · Lofty · Middle
Dec 2025 to May 2026 5 Months
Python
FastAPI
LLM
LoRA
PyTorch
AI Engineer · Personal AI Products · Middle
Jan 2025 to Dec 2025 11 Months
LLMsince 2025
RAG
Job preferences

AI Engineer

In office
Preferred tech stack
LLM
LoRA
PyTorch
Docker
Git
Rest API
PostgreSQL
Supabase
Python
SQL
Not interested
Request to chat
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PREMIUM
Backend • Senior • 9+ years exp • 7+ years ML exp • Da Nang, Vietnam • In office, Partially remote, Fully remote
A seasoned engineering generalist focused on building robust local-first AI tooling and backend services at a senior level. The strongest proven skill is designing a production-focused persistent memory and search stack (SQLite + FTS5 + hybrid vector search) with idempotent migrations and comprehensive unit/integration tests - see mnemon-memory-mcp/src/db.ts and src/tools/memory-search.ts. There is limited public evidence of formal CI flakiness remediation, large-scale performance testing (load/soak), or an enterprise-grade flaky-test quarantine system.
Skills
SQL
Node JS• Senior
JavaScript
C• Middle • 9y+
C++• Middle • 9y+
PHP• 9y+
Python• Senior • 7y+
Java• Middle • 7y+
Scala• Middle • 6y+
TypeScript• Senior
Node JS
BullMQ
Prisma
Express
Nest.JS
Python
SQLAlchemy
FastAPI
Databases
PostgreSQL
Redis
ClickHouse
SQLite
MongoDB
ElasticSearch• 7y+
Apache Kafka• 7y+
CockroachDB• 6y+
Frontend
Next.js
React.js
Astro
Tailwind CSS
npm• 7y+
DevOps
Prometheus
Terraform
Rest API
Grafana
GitHub Actions
AWS
Docker
GCP
CI/CD
Kubernetes
Helm
QA
Pytest
Vitest
Playwright
Sentry
AI/ML
LLM
RAG
AI Agents
Claude
Cursor
Embeddings
Function Calling
Gemini
TensorFlow• 7y+
OpenAI SDK• 5+ projects
Claude Code• 10+ projects
Web3
DAO
Staking
Ethereum
NFT• 5y+
DeFi• 5y+
Algorand• 5y+
The Graph
Polygon
Expertise
Backend Backend AI & LLM Databases & Vector Storage Microservices & API Architecture Senior
A backend engineer at a senior level focused on local-first agent memory and retrieval systems.
Quality Assurance (QA) API Testing & Contract Validation SDET & Test Engineering Unit & Component Testing Senior
A seasoned engineering generalist focused on building robust local-first AI tooling and backend services at a senior level.
Frontend React Modern Web Frameworks Web Performance & Optimization Middle
A senior-level fullstack engineer who designs and implements robust, production-grade backend and fullstack systems with strong emphasis on data integrity and search/embedding infrastructure.
Timeline
Co-Founder, CEO & CTO · MetaLabs (cometa.farm) · Executive
Oct 2021 to Present 4 Years 11 Months
Algorand
DeFi
NFT
Senior / Lead Backend Engineer · V-Boost (MetaWhale) · Lead
Dec 2025 to Present 9 Months
Nest.JS
TypeScript
The Graph
Polygon
Kubernetes
+1
Senior Backend Engineer / Team Lead · the_covert · Lead
Sep 2020 to Nov 2021 1 Year 2 Months
Scala
CockroachDB
C
Backend Developer · Yandex · Middle
Nov 2019 to Jun 2020 7 Months
Java
Apache Kafka
ElasticSearch
Software Engineer · Assaia · Middle
Apr 2019 to Nov 2019 7 Months
Python
TensorFlow
Software Engineer · VK · Middle
Dec 2017 to Jun 2019 1 Year 6 Months
Csince 2017
C++
PHP
Job preferences

Backend Developer

$120,000
In office, Partially remote, Fully remote
Preferred tech stack
AI Agents
Helm
Kubernetes
AWS
Node JS
TypeScript
Python
Algorand
DeFi
npm
Next.js
React.js
PostgreSQL
MongoDB
Pinecone
Qdrant
Claude Code
Embeddings
Hybrid Search
RAG
React Native
Docker Compose
Ethereum
Not interested
Request to chat
Egor Kulapin photo
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PREMIUM
AI/ML • In office, Partially remote, Fully remote • English: B2
Machine learning engineer and data scientist working on production ML systems for fintech SaaS. Builds tabular ML models for lead/agent scoring, antifraud, and churn/attrition prediction, and develops LLM/RAG solutions with hybrid retrieval and evaluation. Focuses on validating models with business-impact metrics such as conversion, retention, and loss reduction.
Skills
Python• Middle • 3y+
SQL• Middle • 3y+
Databases
PostgreSQL• 3y+
AI/ML
LightGBM• 3y+
LLM• 3y+
NumPy• 3y+
RAG• 3y+
SHAP• 3y+
CatBoost• 3y+
DevOps
Git• 3y+
Timeline
ML Engineer / Data Scientist · TYMY · Middle
Jan 2023 to Mar 2026 3 Years 2 Months
CatBoost
LightGBM
LLM
RAG
SHAP
+5
National Research University Higher School of Economics · Bachelor's Degree
Moscow, Russia
Job preferences

ML Engineer

In office, Partially remote, Fully remote
Preferred tech stack
CatBoost
LightGBM
LLM
Git
PostgreSQL
Python
SQL
TensorFlow
Not interested
Request to chat
Evgeniy Tihonenko photo
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PREMIUM
Backend • Middle • 5+ years exp • Moscow, Russia • In office, Partially remote, Fully remote • English: B1
A pragmatic backend engineer at a senior level who repeatedly ships API services, LLM integrations and device-sync logic with substantial test coverage. The strongest proven skill is building resilient AI-backed service paths and integration guards (timeouts, hedges, retries, quota and streaming) evidenced by llm transport tests, hedge/timeouts in server code and background parse adoption logic (relo_dojo llm tests, Driftora backgroundParses and llm/transport tests). Code shows careful DB migration and encryption work but lacks public evidence of large-scale distributed systems (multi-region, service mesh) or infra-level SRE artifacts.
Skills
Node JS• Middle
TypeScript• Middle
Python• Senior • 5y+
SQL• Middle • 5y+
Node JS
Express
Python
Django
Django REST Framework
Alembic
Asyncio
HTTPX
Pydantic
Boto3
Flask• 5y+
FastAPI• 4y+
SQLAlchemy• 3y+
Celery• 3y+
Databases
Apache Kafka
ClickHouse
SQLite
MySQL• 5y+
PostgreSQL• 5y+
RabbitMQ• 4y+
Redis• 4y+
ElasticSearch• 3y+
AI/ML
OpenAI SDK
LLM
Frontend
React.js
i18next
DevOps
Docker
Kubernetes
Docker Compose
Rest API• 5y+
Jenkins• 4y+
Bitbucket• 3y+
QA
Pytest
Expertise
Backend Backend AI & LLM Python Microservices & API Architecture Node.js Middle
A pragmatic backend engineer at a senior level who repeatedly ships API services, LLM integrations and device-sync logic with substantial test coverage.
Frontend React Middle
An experienced mobile/app engineer (senior-level by demonstrated system and domain work) who builds production-grade, stateful Expo/React Native applications with a strong focus on data integrity and device integrations.
AI/ML LLM Legal AI & LegalTech Junior
A pragmatic backend + LLM engineer at a solid middle level who builds FastAPI services, LLM inference/dispatch glue and document-generation pipelines.
Timeline
Python Backend Developer · AV Soft · Middle
Jun 2026 to Present 3 Months
Python
LLM
Family-pie · Mobile app
May 2026 to Present 4 Months
Python
Kotlin
iOS SDK
Python Backend Developer · Stratosfera · Middle
Jan 2023 to Jun 2026 3 Years 5 Months
Python
FastAPI
Rest API
RabbitMQ
PostgreSQL
+6
Python Developer · GeekBrains · Middle
Mar 2022 to Jan 2023 10 Months
Python
FastAPIsince 2022
Rest API
PostgreSQLsince 2022
RabbitMQsince 2022
+1
Python Developer (Backend) · Individual Entrepreneur · Middle
May 2021 to Mar 2022 10 Months
Pythonsince 2021
Flask
Rest APIsince 2021
MySQL
Job preferences

Python Developer

In office, Partially remote, Fully remote
Preferred tech stack
PostgreSQL
RabbitMQ
Redis
Python
SQL
Rest API
Jenkins
Bitbucket
Pytest
LLM
Not interested
Request to chat
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PREMIUM
Backend • Middle • 4+ years exp • Novosibirsk, Russia • In office, Partially remote, Fully remote • Relocation
A backend-focused engineer with strong hands-on experience implementing distributed-consensus components and a second skillset in Java-based multiplayer game code; the Raft roles, transport layer and custom storage provide the strongest proof. The clearest proven skill is building a Raft implementation with concurrent replication and HTTP-based RPC, evidenced by core role implementations (leader/follower/candidate), transport sender/receiver and storage (LockStorage). The public code does not show production-grade API governance, authentication, metrics/observability rigs, or integration with durable databases and migration histories.
Skills
C
SQL
C++
Python• Middle • 4y+
Java• Middle • 3y+
C++
PyTorch C++
Python
Uvicorn
Requests
Poetry
FastAPI• 3y+
Databases
PostgreSQL
ElasticSearch
Qdrant
MongoDB
DevOps
Rest API
Grafana
Kubernetes
Docker• 3y+
Git
AI/ML
Stable Diffusion
MLFlow
NLP
PyTorch
Reinforcement Learning
Scikit-learn
VLM
LLM
LangGraph
LangChain
Claude
Claude Code
CLIP
ComfyUI
Computer Vision
Label Studio
ChatGPT
Dagster
DVC
CatBoost
LightGBM
RAG
YOLO
Robotics
Digital Twin
Expertise
Backend Python Java Middle
A backend-focused engineer with strong hands-on experience implementing distributed-consensus components and a second skillset in Java-based multiplayer game code; the Raft roles, transport layer and custom storage provide the strongest proof.
Timeline
Software Engineer / ML Engineer · True Engineering · Middle
Jul 2024 to Present 2 Years 2 Months
YOLO
Qdrant
Dagster
CatBoost
LightGBM
+2
Seminar Lecturer · Novosibirsk State University · Middle
Sep 2025 to Jul 2026 10 Months
Novosibirsk State University · Bachelor's Degree · Computer Science and Systems Engineering
2025 Novosibirsk, Novosibirsk Oblast
Engineer-Programmer · Institute of Automation and Electromeasurements of the Siberian Branch of the Russian Academy of Sciences · Middle
Nov 2023 to Jul 2024 8 Months
FastAPI
Docker
Job preferences

ML Engineer

In office, Partially remote, Fully remote
Saint Petersburg
Preferred tech stack
Python
C++
SQL
C
CatBoost
Dagster
DVC
Qdrant
ElasticSearch
PostgreSQL
Docker
Git
Grafana
Digital Twin
Not interested
Request to chat
Aleksandr Urvanov photo
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PREMIUM
AI/ML • Middle • 37 years • Moscow, Russia • Fully remote
AI Engineer | LLM Specialist | Building Autonomous Agents & Speech Analytics | Python • FastAPI • n8n Applied AI Engineer focused on building production-grade LLM solutions and autonomous agents. I transform business workflows through advanced automation (n8n), speech recognition (STT/Diarization), and computer vision. From deploying self-hosted models on GPU servers to designing RAG-based assistants, I build the full cycle of intelligent software.
Skills
C
JavaScript
C++
Python• Middle
SQL• Middle
C
FFmpeg
Python
Pydantic
Asyncio
FastAPI
aiogram
Databases
FAISS
PostgreSQL
SQLite
Redis
AI/ML
Computer Vision
LightGBM
Classic ML
NLP
Time Series Forecasting
Statsmodels
Jupyter Notebook
PaddlePaddle
ChatGPT
PyTorch
TensorFlow
XGBoost
Scikit-learn
CatBoost
Keras
NumPy
OpenCV
Pandas
CLIP
CUDA Toolkit
Gemini
Llama
llama.cpp
LLM
Claude
NER
ONNX
OpenRouter
PaddleOCR
Prompt Engineering
RAG
Qwen
Frontend
Bootstrap
DevOps
Git
Docker
Grafana
WebSockets
Nginx
Prometheus
Rest API
Analytics
Seaborn
Plotly
Matplotlib
Expertise
AI/ML Middle
A data-focused ML practitioner at a solid middle level who builds end-to-end classical ML solutions in notebooks.
Data Science Middle
A practical ML practitioner at an early middle level who independently builds end-to-end modeling experiments and evaluations.
Backend Backend AI & LLM Databases & Vector Storage Messaging & Real-time Python Middle
A practical backend developer at a middle level who builds conversational AI integrations and simple production-ready bots.
Timeline
Data Quality Assessment Specialist · Yandex Croud · Middle
May 2023 to Present 3 Years 4 Months
Analytics Engineer · Etm · Middle
May 2026 to Present 4 Months
AI Specialist (Data Scientist) · Fianit-Lombard · Middle
May 2025 to May 2026 1 Year
Python
FastAPI
Docker
PostgreSQL
SQLite
+25
Data Analyst / Data Scientist · Decartus · Middle
Oct 2024 to Apr 2025 6 Months
Pythonsince 2024
SQL
Pandas
Scikit-learn
NumPy
+10
Job preferences

ИИ-инженер

Fully remote
Preferred tech stack
PyTorch
CatBoost
Keras
Python
SQL
C
C++
Bootstrap
Git
Docker
Grafana
Matplotlib
Plotly
Seaborn
FAISS
PostgreSQL
Redis
Not interested
Request to chat
Egor Pestov photo
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PREMIUM
AI/ML • Middle • In office, Partially remote, Fully remote
A senior-level LLM-engineer who builds production RAG/LLM orchestration and retrieval-backed audit systems, evidenced by app/agent/auditor.py and the app/eval harness. The strongest proven skill is system design for LLM-driven audits and reproducible evaluation, concretely shown in app/eval/harness.py and assets/eval/reports/detector-eval.json. There is little or no public work on custom model training, novel architectures, or low-level ML research in the provided human-authored code.
Skills
Solidity
TypeScript• Junior
Python• Middle
SQL
JavaScript
Node JS• Junior
Python
Alembic
FastAPI
Mypy
SQLAlchemy
Node JS
Electron
Axios
Databases
PostgreSQL
Redis
Qdrant
pgvector
AI/ML
Claude
Claude Code
Gemini
Hallucination
LLM
Pydantic AI
RAG
Frontend
Next.js
React.js
Tailwind CSS
PostCSS
DevOps
CI/CD
Docker
GitHub Actions
Netlify
Rest API
Web3
Solana
Ethereum
Slither
Bitcoin
Arbitrum
Mobile
Clean Architecture
Chips/EDA
PoC Library
QA
Playwright
Expertise
AI/ML RAG MLOps & Model Lifecycle Middle
A senior-level LLM-engineer who builds production RAG/LLM orchestration and retrieval-backed audit systems, evidenced by app/agent/auditor.py and the app/eval harness.
Backend Backend AI & LLM Databases & Vector Storage Microservices & API Architecture Python Middle
A senior backend engineer focused on API-driven, AI-assisted tooling and security automation.
Frontend Junior
A careful systems-focused developer at a senior-leaning level who produced security-minded CLI tooling in TypeScript for Bitcoin UTXO management.
Job preferences

AI Engineer

In office, Partially remote, Fully remote
Preferred tech stack
Python
SQL
Solidity
Node JS
CI/CD
Docker
GitHub Actions
Claude
Claude Code
Gemini
PostgreSQL
Redis
Arbitrum
Bitcoin
Slither
Clean Architecture
Next.js
React.js
Not interested
Request to chat
Leonid Vilner photo
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PREMIUM
Mobile • Middle • 4+ years exp • Saint Petersburg, Russia • In office, Partially remote, Fully remote • Relocation • English: C1
An iOS engineer at a solid middle level who delivers well-structured UIKit features with MVVM/presenter-interactor patterns and custom transitions. The strongest proven skill is building polished, interactive UI components and lists - evidenced by the compositional diffable collection layout (MyCode/HistoryScreen/UI/HistoryCollection/HistoryCollectionView.swift) and custom animated/interactive transitions (MyCode/HistoryScreen/PresentDismissTransition.swift). The portfolio lacks measurable performance profiling, a robust offline sync engine, extensive lifecycle-process-death handling and release/CI artifacts in public code.
Skills
SQL
Python
Objective-C
Swift• Middle • 4y+
Python
SQLAlchemy
Flask
FastAPI
Swift
Swift Concurrency
Kingfisher
RxSwift
Mobile
Core Location
Core Animation
GCD
MVVM
Adaptive UI
AVFoundation
Combine
Fastlane
MapKit
MVP
SceneKit
UIKit
SwiftUI
Design
Adobe Illustrator• 14y+
Adobe Photoshop• 10y+
Figma• 5y+
Zeplin• 5y+
Frontend
React.js
GraphQL
Redux
Web3
Staking
Tokenomics
AI/ML
RAG
Semantic Search
LangChain
LlamaIndex
Databases
Redis
SQLite
pgvector
PostgreSQL
DevOps
Vector
WebSockets
Nginx
CI/CD
Docker
Docker Compose
gRPC
Rest API
Expertise
Mobile iOS Mobile UI/UX Middle
An iOS engineer at a solid middle level who delivers well-structured UIKit features with MVVM/presenter-interactor patterns and custom transitions.
Timeline
Solution Engineer · Solution Engineer - AI Conversation Platform · Middle
Nov 2025 to May 2026 6 Months
FastAPI
PostgreSQL
Rest API
Job preferences

Software Developer

In office, Partially remote, Fully remote
Singapore
Hong Kong
Preferred tech stack
AVFoundation
Combine
Fastlane
Python
Swift
Objective-C
SQL
Rest API
CI/CD
Docker
LangChain
LlamaIndex
RAG
PostgreSQL
pgvector
Redis
Staking
Tokenomics
Not interested
Request to chat
Semen Prokhorov photo
Active 11 days ago
Download CV
PREMIUM
Backend • Senior • 9+ years exp • 30 years • Moscow, Russia • Fully remote • English: B1
A backend-focused engineer at a senior (lower-mid) level who consistently delivers well-structured prototypes and production-adjacent services across Node.js and Python stacks. The strongest proven skill is building robust API-backed tools with clear domain logic and test coverage - for example the bank-statement parsing + normalization pipeline (server/import/parseStatement.ts and server/import/normalize.ts) and the FastAPI LLM run/save/validate flow (backend/app/main.py + backend/app/models.py). Public code shows limited operational tooling and monitoring, and there is little evidence of multi-service production operations, advanced DB migration history, or formal secrets-management beyond environment variables.
Skills
Python• Senior
JavaScript• Architect • 9y+ • 20+ projects
Node JS• Principal • 8y+ • 20+ projects
TypeScript• Senior • 7y+
Python
Pydantic
FastAPI
Databases
SQLite
MongoDB• 6y+ • 5+ projects
PostgreSQL
Qdrant
Frontend
Zod
Pinia
Lighthouse
Vuex
PostCSS
Vue.js• 8y+ • 10+ projects
Vuetify• 8y+ • 5+ projects
Sass• 8y+ • 20+ projects
Vite• 5y+
Storybook• 5y+ • 4 projects
React.js• 5y+ • 10+ projects
Next.js• 5y+ • 5+ projects
Tailwind CSS• 5y+ • 10+ projects
DevOps
AWS
Azure
Docker Compose
Git
Gitflow• 9y+ • 20+ projects
Rest API• 7y+
GitLab CI• 6y+ • 10+ projects
WebSockets• 5y+
Docker• 5y+ • 10+ projects
CI/CD• 3y+ • 4 projects
Grafana
QA
QA
Vitest
Swagger• 6y+ • 10+ projects
Playwright
AI/ML
Cursor
LLM• 10+ projects
RAG• 4 projects
Claude Code• 5+ projects
Claude
Mobile
Material Design
Expertise
Backend Backend AI & LLM Node.js Databases & Vector Storage Messaging & Real-time Senior
A backend-focused engineer at a senior (lower-mid) level who consistently delivers well-structured prototypes and production-adjacent services across Node.js and Python stacks.
Quality Assurance (QA) SDET & Test Engineering API Testing & Contract Validation Senior
A pragmatic engineer who builds full-stack TypeScript applications with a strong focus on testability and deterministic behavior; the work sits around an early senior / solid middle level.
Frontend Modern Web Frameworks Frontend Architecture & Build Tools Vue HTML & CSS Middle
A mid-level fullstack engineer focused on Vue/Nuxt frontends who also implements backend data ingestion and domain logic; the code shows independent feature ownership and cross-stack work but not large-scale system design.
Timeline
Founder · Crabsistent · Executive
Jan 2026 to Present 8 Months
Node JS
FastAPI
PostgreSQL
Qdrant
Claude
+4
Software Architect (Part-time) · Esprit Games · Lead
Aug 2025 to Jun 2026 10 Months
Vue.js
Node JSsince 2025
Dockersince 2025
GitLab CI
PostgreSQLsince 2025
Leading Frontend Developer (Part-time) · X5 · Lead
Aug 2025 to Jun 2026 10 Months
Development Group Lead · 7tours · Lead
Apr 2025 to Aug 2025 4 Months
Vue.js
JavaScript
Sass
Vuetify
GitLab CIsince 2025
+4
Senior Frontend Developer · Solargroup · Senior
Jan 2023 to Apr 2025 2 Years 3 Months
Vue.js
Senior Frontend Developer · Rusagrogroup · Senior
May 2021 to Jan 2023 1 Year 8 Months
Next.js
React.js
TypeScript
Vite
Tailwind CSS
+2
Job preferences

CTO

Fully remote
Preferred tech stack
Grafana
Docker
CI/CD
Vue.js
Vuetify
Sass
Claude
Claude Code
Cursor
Node JS
JavaScript
Python
TypeScript
Playwright
Swagger
PostgreSQL
Qdrant
React.js
Next.js
Nuxt.js
Tailwind CSS
Webpack
Vite
MongoDB
Not interested
Request to chat

Discover Top Tech Talents in AI, Crypto, Cybersecurity, Robotics & Game Dev

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