Frontend UI engineer (middle) focused on admin dashboards and design-token-driven styling. The strongest proven skill is building consistent, theme-driven UI systems and styles as shown by the Tailwind configuration and comprehensive CSS modules (tailwind.config.ts and src/css/style.css). The work lacks evidence of advanced frontend systems engineering such as measured performance tuning, request-cancellation/optimistic-update discipline, or comprehensive a11y testing in public code.

Senior Python backend engineer with 8+ years of experience building production microservices and REST APIs using FastAPI and related tooling. Strong background in asynchronous processing, PostgreSQL/SQLAlchemy data access, caching with Redis, and containerized deployments with CI/CD pipelines and cloud-native operations.

Software engineering and product leader with 25+ years scaling enterprise cloud products at Oracle. Led end-to-end AI transformation for Oracle Cloud HCM Compensation, delivering GenAI, RAG, and agentic AI product capabilities and deploying AI-assisted coding tools across engineering teams. Also led large-scale architecture modernization, CI/CD improvements, and global product development organizations.

Computational math software engineer (Middle) focusing on numerical algorithms and interactive educational tools. The strongest proven skill is algorithmic implementation for finite fields and polynomial arithmetic as shown by the karatsuba_multiply routine in core/elements/functions.py and the parallel irreducible-polynomial search in core/find_irreducible_poly.py. The codebase does not demonstrate ML model development, model training, production ML serving, or advanced MLOps pipelines.

SDET / Test engineer (senior-level) focused on building robust automated test suites and reliable API services. The strongest proven skill is end-to-end and integration testing backed by Playwright config and E2E tests (next-bun-threaded-chat/playwright.config.ts and e2e/*.e2e.ts) plus FastAPI integration/unit tests (deribit-index-price-history-api/tests/test_prices_api.py). There is limited evidence of formal performance/load testing or published bug-tracker driven root-cause analyses in the public code.

Quality Assurance Analyst with experience in AI-assisted bug reporting and structured issue tracking using Azure DevOps. Also has professional experience in KYC/AML due diligence, risk assessment, and compliance documentation in high-volume environments. Builds process improvements with a detail-oriented approach and lists data analysis skills with SQL and Python.

Technical director/tech lead and co-founder with experience in building and integrating enterprise CRM solutions and automating business processes. Managed development teams and delivered full-cycle projects, including amoCRM Enterprise Edition releases and analytics/BI work with PHP and amoCRM. Currently building an AI agent with LangChain for automated customer communication for major marketplaces.

Frontend web developer (early-career) specializing in React single-page apps and animated landing pages. The strongest proven skill is implementing SPA auth and server-state patterns, exemplified by the centralized axios service with request interceptor and token-refresh logic in django-api/social-media-react/src/helpers/axios.js. There is limited evidence of automated tests, formal accessibility work, large-scale architecture design, or measured performance optimization in public code.

QA Test Specialist with about 4 years of experience at T-Mobile Polska, working on manual and automated regression testing for web and mobile applications. Experienced with defect reporting and collaboration with developers, and automation work using Java with Selenium/Selenide, Cucumber, Jira X-Ray, and Jenkins.

Perception-focused simulation engineer (middle level) specializing in physics-based infrared sensor prototyping. The strongest proven skill is building an end-to-end LWIR radiance pipeline backed by a custom spectral radiance implementation and Unreal integration (thermal_model.cpp plus ThermalCubeActor and RadianceCaptureActor). There is limited evidence of ROS/middleware use, control systems, real-time determinism measurements, automated tests or sim-to-real validation in the public code.

Senior backend engineer specializing in resilient event-driven systems. The strongest proven skill is designing idempotent Kafka consumers with transactional persistence and DLQ handling, as demonstrated in kafka-chat-consumer/src/chat_consumer/{consumer.py,storage.py,service.py} and accompanying tests. Public code lacks evidence of production deployment automation, structured observability (metrics/alerts/correlation ids) and any implemented LLM/RAG systems despite README claims.

Software engineer with experience in building and developing applications, including an NLP-focused program for semantic understanding of Russian and a city-level GIS system. Also reports team lead experience. Has skills in Python, database work, and Windows client development technologies.

Backend Java developer at a Senior level focused on building Spring Boot REST APIs with transactional data access and concurrency controls. The strongest proven skill is custom JPA repository design and explicit DB locking as implemented in document-service/src/main/java/com/itq/model/repository/impl/DocumentRepositoryImpl.java. Public code does not show production-grade CI/CD or secret management practices, and there is a security weakness where a default admin password is created and logged.

Backend API engineer (senior-level) specializing in reliable transactional services for personal finance and local storage tooling. The strongest proven skill is designing idempotent, atomic backend mutations and transactional flows as implemented in app/services/ledger.py and validated by tests in tests/test_ledger.py. There is limited public evidence of cloud-scale orchestration, formal migration histories, or advanced distributed systems like message brokers and circuit breakers.

My name is Nikita Zholnerovskiy, I'm an AI developer and vibe coder — I build digital products in tandem with AI agents as my primary tool of work, not an auxiliary function. Who I am: since February 2026 I've been working as an AI Developer at Mobecan — independently, from idea to production, building websites, internal services, integrations, and AI-first solutions, using Claude Code, Cursor, OpenAI Codex, and Gemini not occasionally, but as my primary way of developing. Vibe coding as a separate discipline has existed for less than two years — I've been in it since the very start of the practice, constantly expanding my toolkit and approaches. What I've actually built: — the "Vibe Coding" division site at Mobecan (ai.mobecan.com) — from scratch, from concept to publication; — a commercial landing page (mosty-hvosty.ru) — completely from scratch, without a designer or a brief: I worked out the structure, visuals, responsive layout, and map integration myself; — an internal BI system: syncing data from the YouTrack and GitLab APIs into PostgreSQL, visualization in Metabase — leadership sees team workload and task status without manual collection; — autoposting from Telegram to Threads via API — including nontrivial infrastructure tasks like finding a video hosting provider that Meta trusts, and removing the download limit on large videos via a self-hosted Telegram Bot API; — at my previous job (EDUTECH GROUP) — document workflow automation for the sales department that replaced a paid third-party service: saving 30,000 RUB per year per employee. I back up my qualifications with more than just practice: certificates from Anthropic and OpenAI on working with their tools, the Google AI Professional Certificate, Google AI Essentials, and the Elements of AI course from the University of Helsinki.

Frontend developer (Middle) specialized in TypeScript React/Next.js integrations with AI-backed services and real-time document processing. The strongest proven skill is building API client and realtime status flows as shown by src/lib/api/client.ts (ApiError and apiRequest) and src/lib/ws/document-status.ts (connectDocumentStatusSocket). There is little public evidence of custom component libraries, systematic a11y automation or measured performance work.

Fullstack Senior (≈5.0) focused on resilient data pipelines and internal analytics tooling with strong evidence of deliberate ETL architecture and operational safeguards.

Senior Rust systems engineer specializing in deterministic agent/process-engine backends and secure CLI tooling. The strongest proven skill is building robust, modular backend systems with clear security boundaries, evidenced by the process engine, capability gating and comprehensive tests in the executor/self-update/plugin-install code paths. There is little public evidence of large-scale distributed deployments, explicit migration histories across multiple schema versions, or cloud-native orchestration artifacts.

DevOps/Cloud engineer with experience delivering secure AWS and container-based infrastructure using infrastructure-as-code and automation. Has worked on CI/CD pipelines, Kubernetes deployments, and operational monitoring with Prometheus and Grafana across development, QA, and production environments.