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I'm a senior fullstack engineer with 13+ years building high-traffic web products end to end, from React and Next.js frontends and design systems to Node.js, GraphQL and Python back ends. I help teams deliver fast, scalable software and design systems that scale.\n\nI've delivered measurable results for fintech, insure-tech and e-commerce clients, from startups to Goldman Sachs. I enjoy leading projects, mentoring engineers, and turning legacy systems into maintainable, well-tested architectures. I'm fully remote and thrive in English-speaking teams.…I'm a senior fullstack engineer with 13+ years building high-traffic web products end to end, from React and Next.js frontends and design systems to Node.js, GraphQL and Python back ends. I help teams deliver fast, scalable software and design systems that scale.\n\nI've delivered measurable results for fintech, insure-tech and e-commerce clients, from startups to Goldman Sachs. I enjoy leading projects, mentoring engineers, and turning legacy systems into maintainable, well-tested architectures. I'm fully remote and thrive in English-speaking teams.

Michał Dopieralski

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

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I'm a senior fullstack engineer with 13+ years building high-traffic web products end to end, from React and Next.js frontends and design systems to Node.js, GraphQL and Python back ends. I help teams deliver fast, scalable software and design systems that scale.\n\nI've delivered measurable results for fintech, insure-tech and e-commerce clients, from startups to Goldman Sachs. I enjoy leading projects, mentoring engineers, and turning legacy systems into maintainable, well-tested architectures. I'm fully remote and thrive in English-speaking teams.…I'm a senior fullstack engineer with 13+ years building high-traffic web products end to end, from React and Next.js frontends and design systems to Node.js, GraphQL and Python back ends. I help teams deliver fast, scalable software and design systems that scale.\n\nI've delivered measurable results for fintech, insure-tech and e-commerce clients, from startups to Goldman Sachs. I enjoy leading projects, mentoring engineers, and turning legacy systems into maintainable, well-tested architectures. I'm fully remote and thrive in English-speaking teams.

Available to hire

I’m a senior fullstack engineer with 13+ years building high-traffic web products end to end, from React and Next.js frontends and design systems to Node.js, GraphQL and Python back ends. I help teams deliver fast, scalable software and design systems that scale.\n\nI’ve delivered measurable results for fintech, insure-tech and e-commerce clients, from startups to Goldman Sachs. I enjoy leading projects, mentoring engineers, and turning legacy systems into maintainable, well-tested architectures. I’m fully remote and thrive in English-speaking teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

Independent Consultant at Interdisciplinary

April 1, 2024 - Present

Built an AI agent for a humanoid robot; created an e-learning platform for a Polish influencer; launched an e-commerce store; co-created Awwwards-standard UX/UI and improved lead generation; drove conversion improvements across multiple e-commerce clients; optimized sites for Google Ads.

Staff Software Engineer at Method

November 1, 2025 - April 1, 2026

Rebuilt AI-tools platform, increased total active users by ~20%; shipped NotebookLM-style document assistant (RAG) on WebLLM with on-device models; conducted technical audits to improve delivery quality.

Senior Software Engineer at Goldman Sachs

December 1, 2024 - June 1, 2025

Reduced code-review time and enforced consistent code quality across a large-scale codebase; improved performance of internal banking apps; raised team standards and streamlined onboarding for new engineers.

Senior Software Engineer at Hippo Insurance

February 1, 2022 - April 1, 2024

Saved tens of thousands of USD annually by switching the map provider in core applications; built a scalable UI library and fully tested monorepo powering a company-wide rebrand.

Team Leader at Divante

June 1, 2021 - January 1, 2022

Delivered a high-traffic e-commerce platform (Yope) on time with improved stability; structured project estimation and processes, improving predictability and reducing scope creep.

Senior Software Engineer at BOLD

June 1, 2020 - April 1, 2021

Increased conversion via A/B testing and UX optimization in a CV builder; reduced page load time, bundle size and infrastructure cost while improving stability.

Senior Front-end Developer at Tylko

September 1, 2019 - June 1, 2020

Delivered a new checkout flow, improving scalability and deployment flexibility; reduced technical debt and improved the furniture customization tool's UX and conversion.

Senior Front-end Developer at La Moda

October 1, 2018 - September 1, 2019

Boosted performance and SEO ranking; integrated performance tests into CI; built a Chrome extension automating marketing workflows.

JavaScript Developer / Architect at Airnauts

October 1, 2015 - November 1, 2018

Architect and lead developer on global projects for brands in New Zealand, the US and Cyprus; delivered high-traffic platforms (e.g., Nowness.com) stable under heavy load.

Front-end Developer at Agilion / Plum / 2Future

January 1, 2012 - December 31, 2015

Early-career roles: US parking-booking app, landing pages for global brands (Samsung), and management of 20+ WordPress sites.