Yaroslav Khoroshaev
Full Stack Developer
16+ years exp
Node JS
PHP
JavaScript
Python
TypeScript
Active 14 days ago
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Overview
Technical skills
Timeline
Roles
Overview
A pragmatic senior backend-focused engineer who builds domain-focused systems in Python and maintains fullstack integrations with PHP and JS. The strongest proven skill is implementing reliable domain logic and data contracts, demonstrated by the calculation core and contract tests in core/chart_engine.py and the tested FastAPI and Laravel APIs. There is less public evidence of large-scale distributed systems design, formal SRE/observability pipelines, or a documented secrets/token lifecycle for production deployments.
Technical skills
Node JS• Senior
PHP• Senior • 16y+
JavaScript• Senior • 16y+
Python• Senior • 4y+
TypeScript• Middle
PHP
Composer
Eloquent
Laravel
WordPress• 16y+
WooCommerce• 5y+
Python
FastAPI
Uvicorn
Pydantic
Databases
SQLite
MySQL• 16y+
PostgreSQL
AI/ML
ChatGPT
Claude
Claude Code
Pillow
Streamlit
Frontend
Sass
Vite
JQuery• 16y+
Vue.js• 5y+
DevOps
Docker
Nginx
Rest API• 5y+
Git• 4y+
Timeline
Full-stack developer
•
Middle
AMD Media
•
Full-Time
Worked on two core products: a legacy Bitrix platform (Libristika) and a newer Nuxt/Vue site (AMD Media 2.0). Extended legacy functionality such as personal accounts, forms, access rights, and related content structures by working with infoblocks, custom components, routing, and backend business logic. Ported key features to a component-based Nuxt/Vue architecture using TypeScript, an API layer, Payload CMS, PostgreSQL, and REST API. Wrote Python utilities for analysis and automation and collaborated via Git.
PHP
JavaScript
TypeScript
Vue.js
PostgreSQL
Rest API
Python
Git
Web programmer / Full-stack developer
•
Middle
Begarat
•
Full-Time
Designed and delivered three web services: a corporate portal, an auto parts online store, and a B2B customer cabinet. Implemented user and customer roles/permissions, built custom PHP plugins, administrative interfaces, and backend business logic. Integrated external data sources and APIs, automating imports of products and catalogs via CSV/JSON processing with cron jobs, attribute mapping, deduplication, and batch operations. Optimized background processing for large catalogs and media so intensive tasks did not block the site.
PHP
WordPress
WooCommerce
JavaScript
MySQL
Rest API
Gitsince 2023
Web developer (project-based)
•
Middle
Private practice
•
Freelance
Provided project-based web development including websites, landing pages, and online stores built on WordPress, WooCommerce, OpenCart, and 1C-Bitrix. Developed PHP plugins/scripts, admin interfaces, forms, calculators, and UI widgets. Implemented integrations with CRM, 1C, payment systems, and external APIs, including data import/export workflows using CSV/JSON and cron scheduling. Supported ongoing maintenance and improvements for completed projects.
PHP
JavaScript
WordPress
WooCommercesince 2021
MySQL
Rest APIsince 2021
Web developer
•
Middle
Armada Dental
•
Full-Time
Developed and maintained a corporate website on 1C-Bitrix, including features, templates, forms, and CMS modules. Configured integrations and fixed issues across the platform. Implemented responsive layouts, improved user interfaces, and supported SEO basics. Prepared advertising and print materials as needed.
PHP
JavaScript
Frontend developer
•
Middle
ART 3D-Graphics
•
Full-Time
Built interactive web experiences with graphics and multimedia using JavaScript and Vue.js. Implemented UI components and animations and integrated 3D sequences, optimizing heavy assets for performance. Collaborated with designers and the 3D team to deliver functional interactive pages.
JavaScript
Vue.jssince 2021
Web developer (project-based)
•
Middle
3x.su
•
Full-Time
Developed and maintained commercial websites, landing pages, and online stores using WordPress, 1C-Bitrix, and OpenCart. Extended PHP and JavaScript code, themes, components, and plugins, covering catalogs, forms, and payment-related modules. Implemented responsive layouts, fixed bugs, and provided support after launch.
PHP
WordPress
JavaScript
JQuery
MySQLsince 2015
Web developer / system administrator (corporate sites)
•
Middle
Multiple companies (Autodrive, Concept Group, BeneQuire, Metrobank, ElEFL Center)
•
Full-Time
Worked on development and administration of corporate websites built with 1C-Bitrix, WordPress, Joomla, and custom CMS solutions. Performed layout work and configured modules and templates, supporting and maintaining site resources. Took part in launching a corporate tour operator website from scratch and supported ongoing changes using PHP and JavaScript/jQuery.
PHPsince 2010
JavaScriptsince 2010
JQuerysince 2010
WordPresssince 2010
Senior AI/ML Engineer
Confidence: High Generalist
A practical senior-level generalist focused on audio/video tooling and desktop+backend application engineering. The strongest proven skill is building robust multimedia pipelines and render tooling, evidenced by the render pipeline and RPP parser (suviren_q.py: detect_chapters_from_rpp, _render_segment_worker, render_segments_parallel) and the native PySide6 GUI and proxy-audio playback (book_wunderwaffe_studio.py: MainWindow, proxy manifest handling). There is no evidence of ML model architecture, training, experiment tracking, or model-serving infrastructure in the analyzed human-authored code.
Model Architecture & Training
How well models are designed and trained
Not evidenced in public code
Data Pipeline & Feature Engineering
How data is prepared for models
Not evidenced in public code
Experimentation & Evaluation
How results are measured and tested
Not evidenced in public code
MLOps & Deployment
How models are shipped to production
Not evidenced in public code
Computational Efficiency
How efficiently computing resources are used
Not evidenced in public code
Research Depth & Innovation
Depth of research and new ideas
Not evidenced in public code
Expertise
Audio & Speech Processing• Senior
Industries
Education• Middle
Media & Entertainment• Senior
Technologies
Python• Senior • 4y+
Claude
ChatGPT
Claude Code
FastAPI
SQLite
Streamlit
Pydantic
Uvicorn
Pillow
PySide6• mentioned only
Recommendations
- Lead development of audio/video production tooling - panel generation, FFmpeg-based render pipelines and segment/concat workflows (implementations in suviren_q.py).
- Build desktop multimedia editors and UX using PySide6 for complex canvas, timeline and playback features (implementations in book_wunderwaffe_studio.py).
- Implement FastAPI-based media backends and local-first services for TTS/asset management and export orchestration (evidence: FastAPI imports and server endpoints).
- Work on performance-sensitive exporters and GPU/CPU fallback strategies for large media files (evidence: GPU detection, encoder args, parallel rendering and safety rebuild logic).
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Senior Backend Developer
Confidence: High API Engineer
A pragmatic senior backend-focused engineer who builds domain-focused systems in Python and maintains fullstack integrations with PHP and JS. The strongest proven skill is implementing reliable domain logic and data contracts, demonstrated by the calculation core and contract tests in core/chart_engine.py and the tested FastAPI and Laravel APIs. There is less public evidence of large-scale distributed systems design, formal SRE/observability pipelines, or a documented secrets/token lifecycle for production deployments.
API Design
6/10
How well APIs are designed
Clear, tested API surfaces and client contracts with deliberate error checks and pagination/filtering policies; evidence of both FastAPI endpoints and a Laravel REST API with feature tests.
Evidence
web-lizard/suviren_q/suviren_q_server.py: multiple FastAPI endpoint handlers and request/response helpers
web-lizard/To-Do-List-Laravel-Vue-Nuxt/backend/tests/Feature/TaskTest.php: extensive API behaviour tests (pagination, auth, validation)
web-lizard/To-Do-List-Laravel-Vue-Nuxt/frontend/app/composables/useApi.ts: frontend API request wrapper and error handling
Data Layer & Database
6/10
Working with databases
Explicit migration history, transactional database wrapper and tests that assert migration idempotency and rollback behavior; repository layer encapsulates persistence concerns.
Evidence
web-lizard/suviren_q/bookender/database.py: BookenderDatabase with migrate and transaction context manager
web-lizard/suviren_q/tests/test_database.py: tests for migrations being sequential and idempotent and for failed migration rollback
web-lizard/To-Do-List-Laravel-Vue-Nuxt/backend/database/migrations/2026_07_13_130510_create_tasks_table.php: migration file and Laravel migration chain
Scalability & Performance
4/10
Handling load and speed
Practical performance work for multimedia streaming and background processing (proxy segmented audio, thread/executor usage) but no broad measured load-testing artifacts or distributed-rate-limiting configs.
System Architecture
5/10
Overall system structure
Reasonable modular decomposition - a calculation core separated from UI and transport, desktop UI module, service API and repository layers; architecture is practical and modular though not a multi-service distributed design.
Evidence
web-lizard/gnosis/core/chart_engine.py: standalone calculation core for ephemeris-based charts
web-lizard/gnosis/frontend/src/composables/useChartBuilder.js: clear separation of client logic and server session persistence
web-lizard/suviren_q/bookender/repository.py: repository abstraction over storage and export
Security & Auth
4/10
Protecting data and access
Authentication and input-sanitization awareness present (Laravel Sanctum usage, sanitize helpers) but token lifecycle, refresh/revocation, and a documented dependency-audit process are not visible in code.
Evidence
web-lizard/To-Do-List-Laravel-Vue-Nuxt/backend/composer.json: Laravel + Sanctum in dependencies
web-lizard/To-Do-List-Laravel-Vue-Nuxt/backend/tests/Feature/TaskTest.php: tests covering auth flows and unauthorized responses
web-lizard/suviren_q/suviren_q_server.py: upload_filename_from_request and resolve_path/is_within helpers
Reliability & Observability
5/10
Stability and monitoring
Testing, logging and recovery patterns exist (unit/integration tests, JsonFormatter logging, tts job recovery), and code handles failure modes locally; systematic retries/backoff and distributed observability hooks are limited.
Evidence
Expertise
Python• Senior
Databases & Vector Storage• Middle
Microservices & API Architecture• Middle
Node.js• Junior
Technologies
PHP• Senior • 16y+
Node JS• Senior
MySQL• 16y+
PostgreSQL
Rest API• 5y+
Laravel
WordPress• 16y+
WooCommerce• 5y+
Git• 4y+
Docker
Nginx
Composer
Eloquent
PySide6• mentioned only
Recommendations
- Hire for backend API work that requires domain modeling and deterministic computation - e.g., calculation engines, deterministic data pipelines, and API contract implementations.
- Assign to projects that need robust local-first multimedia tooling or audio processing backends with proxy/segmented playback and job orchestration.
- Use for building and hardening data persistence layers and migration-safe schema evolution with tests and transactional guarantees.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Middle Frontend Developer
Confidence: Medium UI Engineer
A pragmatic frontend engineer focused on interactive data-driven UIs with a specialization in complex domain visualizations, working at a solid mid-to-senior level. The strongest proven skill is architecting a modular UI and state pipeline (see useChartBuilder.js and the App.vue orchestration integrating renderer, config and export logic). The public code lacks automated test coverage, measurable performance reports, and explicit CI/a11y automation evidence.
UI Component Architecture
6/10
How interface parts are built
Clear component boundaries, composable state in a useChartBuilder composable, and separation of config/engine/renderer code show deliberate UI architecture and composition over prop-drilling.
Evidence
web-lizard/gnosis/frontend/src/App.vue: top-level component composition and modal/slot orchestration
web-lizard/gnosis/frontend/src/composables/useChartBuilder.js: centralized composable handling form state, session persistence, build lifecycle and public API
web-lizard/gnosis/frontend/src/config/chainPresets.js: domain config and pure functions separated from UI
Responsive & Cross-browser
6/10
Works on all screens and browsers
Responsive design is implemented with many media queries, fluid grid layouts and explicit breakpoints that adapt the workspace and modal sizes; some RTL/i18n readiness exists via text constants.
Performance Optimization
3/10
Speed of the interface
Some renderer code and careful SVG rendering functions exist, but there is no explicit measured perf work, bundle analysis, virtualization or advanced code-splitting shown.
Accessibility & Semantics
4/10
Usable for everyone
Basic a11y and semantics are present (aria-labels, alt text), and focus/scroll handling is implemented for form sections, but there is no evidence of automated a11y testing in CI or advanced keyboard management for custom widgets.
State Management & Data Flow
7/10
Managing data in the app
Robust server-state discipline and local session handling are visible: build/payload creation, fetch flows, session persistence across localStorage and file/session endpoints, history/library persistence, and clear error/status handling.
UX & Visual Polish
7/10
Look and feel quality
UX shows thoughtful empty/loading/error states, modal workflows, terminal preview, test binds for quick checks and export flows for downstream AI interpretation - the app is polished and consistent.
Expertise
Frontend AI Integration• Middle
Industries
Lifestyle• Middle
Media & Entertainment• Middle
Artificial Intelligence• Middle
Technologies
JavaScript• Senior • 16y+
TypeScript• Middle
Vue.js• 5y+
JQuery• 16y+
Vite
Sass
JavaScript• mentioned only
Recommendations
- Develop interactive data-visualization dashboards and domain-specific control panels that require custom SVG rendering and composable state (e.g., charting/visual analytic tools).
- Build polished local-first single-page apps with complex form/state flows and export pipelines for downstream processing (AI export, file/session persistence).
- Implement features that require rich UI/UX polish and careful state management such as multi-layer overlays, modals, and export workflows tied to backend APIs.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories: