Aleksandr Kolodeev

Full Stack Engineer

Hilversum, North Holland, Netherlands7 yrs 10 mos experience

Key Highlights

10+ years of experience in frontend engineering.
Expertise in building scalable applications for millions of users.
Strong focus on performance optimization and accessibility.

Stackforce AI infers this person is a Frontend Engineer specializing in SaaS and Healthcare applications.

Contact

Skills

Core Skills

ReactTypescript

Other Skills

SentryReact RouterFigma (Software)PlaywrightDocksOptimizing PerformanceConfluenceChromaticCascading Style Sheets (CSS)Web Application SecurityGraphQLW3C AccessibilityStoryblokContinuous Integration and Continuous Delivery (CI/CD)Design Systems

About

Senior Frontend Engineer (10+ years of experience, Bachelor’s degree in IT) with expertise in building scalable applications using React and TypeScript. Specializes in performance optimization, implementing DevOps practices, and applying best practices to ensure a stable and fast user experience. Developed products for international companies in both B2C and B2B segments, including projects used by millions of users. Key strengths: architecture, performance engineering, code quality, accessibility. Passionate about specialty coffee & mixology; organized informal Friday coffee & cocktail gatherings at the office.

Experience

7 yrs 10 mos

Total Experience

1 yr 6 mos

Average Tenure

Current Experience

Cvmaker

Senior Full Stack Engineer

Dec 2023 – Present · 2 yrs 5 mos · Hybrid

Scaled the front-end architecture of the largest CV platform with 50 million users across 41 countries and 50,000 daily active users.
Improved application load time (LCP) by 4x by leading the migration from SPA to SSR with React, Remix, and AWS infrastructure.
Increased search-to-paid conversion by 8% by designing and launching guest account flows as a product-facing UI feature.
Reduced new production bug reports by 30% by implementing automated UI and contract testing with Playwright, Pact, Chromatic, and Vitest in CI/CD pipelines.
Improved real-user experience observability by introducing Web Vitals tracking (LCP, FID, CLS) and integrating metrics into Google Analytics.
Improved frontend scalability and team ownership by restructuring the codebase into domain-based packages inside a Turborepo monorepo.
Increased platform reliability during SSR rollout by simplifying AWS, GraphQL, and Cloudflare architecture and removing redundant infrastructure layers.
Stabilized UI development and delivery across teams by acting as frontend technical lead and enforcing shared architecture and quality standards.

SentryReactReact RouterTypeScriptFigma (Software)Playwright+26

Quin

Senior Frontend Engineer

Apr 2022 – Nov 2023 · 1 yr 7 mos · Amsterdam, North Holland, Netherlands · Hybrid

Enabled company growth by delivering a new healthcare application with 3rd party integration capabilities.
Built React SPA that helped secure a major client, with the product used by 20% of Dutch residents.
Promoted accessibility best practices via lectures and tools (React Aria, aXe), improving UX and meeting European Accessibility Act.

SentryReactTypeScriptFigma (Software)React NativeConfluence+14

Epam systems

Senior Software Engineer

Sep 2020 – Mar 2022 · 1 yr 6 mos · Saint Petersburg Metropolitan Area · Remote

- Developed math function editor with React and VisX for GenChem models, enabling Novartis scientists to find drug molecules faster.

ReactDatagrokConfluenceCascading Style Sheets (CSS)Continuous Integration and Continuous Delivery (CI/CD)visx+2

Cloudlinux

Full Stack Engineer

Sep 2018 – Sep 2020 · 2 yrs · Remote · Remote

Built Flask/FastAPI (asyncio) REST APIs with MySQL for detecting malicious or security-sensitive files.
Operated and optimised RabbitMQ-based microservice pipelines, preventing queue overload, ensuring stable inter-service communication, and enabling predictable scaling.
Improved deploy safety and consistency by migrating 13 Python microservices from bash scripts to Docker Compose.
Reduced 20% message loss from server to clients by implementing an extra layer on top of UDP connections.

TypeScriptDocksAngularCascading Style Sheets (CSS)Web Application SecurityDocker+3