#  (@evalon.bsky.social)

Profile: https://sifa.id/p/evalon.bsky.social
Headline: Senior Software Engineer
Location: Spain

## Experience

- **Frontend Developer at Semrush, HR IT** (2020 – 2025)
  \- Built an agentic AI platform that turned fragmented HR and analytics data into
  instant, high-accuracy answers using RAG, saving 100+ work-hours every month.
  \- Led the frontend architecture for a unified internal platform (1700+ users) enabling
  company-wide planning, reporting, org structure visualization, and automated
  process execution (e.g., business trips, education) during rapid company growth.
  \- Significantly improved system integrity (decreasing bug report rate by 3x),
  performance (e.g., improved Lighthouse score from ~40 to 90+, reduced network
  latency by 40%) and feature delivery speed (up to 4x on similar tasks) by automatic
  code generation, network layer improvements, full typescript coverage, vertical slice
  architecture, monitoring, and CI/CD infrastructure.
- **Senior Frontend Engineer (Tech Lead) at GoTRG (now ReturnPro)** (2017 – 2020)
  Led the engineering of the internal Design System (UI Kit).
  Engineered 40+ strictly typed components in tight collaboration with designers, documented fully in
  Storybook and ranging from core primitives to complex components used across the entire platform.
  \- Enhanced main data visualization functionality by boosting the performance,
  browser compatibility, and capabilities of a schema-driven UI generator.
  \- Led the complete migration from Flow to TypeScript.
  Achieved zero roadmap disruption during an 8-month transition using custom codemods and a hybrid
  adoption strategy.
  \-Designed unified infrastructure for 30+ frontend repositories via shared npm
  modules, standardizing local development, quality, and CI/CD.
  Stack: Git, NodeJS, GitLab, Docker, Kubernetes, Sentry, Webpack, Rollup, Semantic Release
  \- Implemented performance optimizations.
  Reduced the overall render time in multiple modules and components by up to 7x.
  \- Mentored developers and initiated internal technical workshops.
  Led knowledge-sharing sessions (advanced topics, architectural patterns) while guiding junior
  colleagues in their technical growth and daily engineering tasks.

## Education

- **Peter the Great St. Petersburg Polytechnic University** — Bachelor, Computer Science (2012 – 2016)

## Skills

- Semantic Release
- Rollup
- Kubernetes
- Docker
- GitLab
- Panda CSS
- Webpack
- Sentry
- NodeJS
- Git
- REST
- ASP.NET Core
- C#
- React Testing Library
- Jest
- Emotion
- CSS Modules
- RxJS
- Redux
- Flow
- n8n
- LangChain
- PostgreSQL
- FastAPI
- Django
- Python
- Astro (SSR)
- Vitest
- Vite
- Tiptap
- React Flow
- Tailwind
- Framer Motion
- Zustand
- React Query
- React
- TypeScript
- JavaScript

## Languages

- Spanish
- English
- Russian

## Other profiles

- other: https://linkedin.com/in/dmitrii-sokolov