Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Frontend-focused developer and technical lead with 5+ years of experience building and modernizing B2B platforms from scratch and across existing codebases. Strong background in UI architecture, performance optimization, and scalable solutions, working with product owners and cross-functional teams to deliver results. Experienced with React/Vue ecosystems, TypeScript, and Node/NestJS, building reusable UI kits, integrating APIs/websockets, improving maintainability through refactoring and engineering practices, and optimizing performance by removing unused assets and legacy patterns.…Frontend-focused developer and technical lead with 5+ years of experience building and modernizing B2B platforms from scratch and across existing codebases. Strong background in UI architecture, performance optimization, and scalable solutions, working with product owners and cross-functional teams to deliver results. Experienced with React/Vue ecosystems, TypeScript, and Node/NestJS, building reusable UI kits, integrating APIs/websockets, improving maintainability through refactoring and engineering practices, and optimizing performance by removing unused assets and legacy patterns.

Stanislav Sinitsyn

Web Developer, Full Stack Developer, Front-End Developer, +2





Frontend-focused developer and technical lead with 5+ years of experience building and modernizing B2B platforms from scratch and across existing codebases. Strong background in UI architecture, performance optimization, and scalable solutions, working with product owners and cross-functional teams to deliver results. Experienced with React/Vue ecosystems, TypeScript, and Node/NestJS, building reusable UI kits, integrating APIs/websockets, improving maintainability through refactoring and engineering practices, and optimizing performance by removing unused assets and legacy patterns.…Frontend-focused developer and technical lead with 5+ years of experience building and modernizing B2B platforms from scratch and across existing codebases. Strong background in UI architecture, performance optimization, and scalable solutions, working with product owners and cross-functional teams to deliver results. Experienced with React/Vue ecosystems, TypeScript, and Node/NestJS, building reusable UI kits, integrating APIs/websockets, improving maintainability through refactoring and engineering practices, and optimizing performance by removing unused assets and legacy patterns.

Available to hire

Frontend-focused developer and technical lead with 5+ years of experience building and modernizing B2B platforms from scratch and across existing codebases. Strong background in UI architecture, performance optimization, and scalable solutions, working with product owners and cross-functional teams to deliver results.

Experienced with React/Vue ecosystems, TypeScript, and Node/NestJS, building reusable UI kits, integrating APIs/websockets, improving maintainability through refactoring and engineering practices, and optimizing performance by removing unused assets and legacy patterns.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Russian

Fluent

English

Beginner

Work Experience

Lead Frontend Engineer (Technical Lead & Project Coordination) at EK honish

July 1, 2025 - Present

Educational platform for schools in Tajikistan, including free educational management and commercial modules with online courses and video conferencing. Led a cross-functional team of 6 engineers: planned activities, assigned tasks, monitored progress, and coordinated delivery. Worked directly with the product owner to collect business requirements, define scope, and translate business needs into technical tasks. Designed the frontend architecture for the client application, admin panel, and commercial platform from scratch. Developed a reusable UI kit integrated across multiple applications to improve consistency and development speed. Established engineering practices (code reviews, TypeScript adoption, ESLint, pre-commit hooks, shared development standards). Performed large-scale refactoring and improved performance by removing unused Bootstrap styles and unnecessary assets.

Frontend Developer at Russian Railways

June 1, 2023 - January 1, 2025

Enterprise customer portal for Russian Railways providing digital services for freight transportation and wagon maintenance. Developed new business modules and digital services for enterprise customers. Designed and expanded a reusable UI kit to improve consistency and development efficiency. Refactored legacy code to improve maintainability, readability, and long-term stability. Integrated third-party libraries and internal company APIs. Participated in code reviews and maintained engineering standards. Contributed to major modernization initiatives: Vue 2.7 -> Vue 3 migration, Webpack -> Vite migration, migration from server-side to client-side routing, and progressive modernization of a legacy codebase without interrupting feature delivery.

Fullstack Developer at Client Base

September 1, 2022 - May 1, 2023

Platform for managing clients, documents, and communication via messaging. Built AI features for automation. Developed frontend using React and TypeScript; optimized PostgreSQL by merging redundant views. Integrated document workflow services. Developed backend APIs with NestJS, set up webhooks, and ensured stable integrations. Created UI for document management. Worked in a cross-functional team of 5 engineers with frontend/backend developers, QA, designers, and business analysts.

Frontend Developer at Accept Development LLC

December 1, 2020 - August 1, 2022

B2B platform for restaurants and suppliers including order processing, delivery tracking, chat, documentation, subscriptions, and notifications. Used by SMEs. Built UI for order placement and tracking and made the application responsive for mobile. Designed an admin panel architecture from scratch. Created a UI kit using Storybook, enabled localization with i18next, and supported end-to-end collaboration across frontend/backend, QA, designers, and business analysts.