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I am a senior full-stack engineer with 10+ years of hands-on experience across regulated industries, delivering scalable web and backend solutions. I have led end-to-end projects from architecture to production, including payment systems modernization and CRM integrations. I specialize in Stripe payment integration—subscription billing, webhooks, and lifecycle management—across PHP (Laravel) and Node.js backends, with frontend work in React and Vue.js. I analyze legacy payment flows, design migration strategies, implement robust integrations, and ensure data security and privacy compliance (HIPAA-aware).…I am a senior full-stack engineer with 10+ years of hands-on experience across regulated industries, delivering scalable web and backend solutions. I have led end-to-end projects from architecture to production, including payment systems modernization and CRM integrations. I specialize in Stripe payment integration—subscription billing, webhooks, and lifecycle management—across PHP (Laravel) and Node.js backends, with frontend work in React and Vue.js. I analyze legacy payment flows, design migration strategies, implement robust integrations, and ensure data security and privacy compliance (HIPAA-aware).

Alexander Mazurenko

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

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I am a senior full-stack engineer with 10+ years of hands-on experience across regulated industries, delivering scalable web and backend solutions. I have led end-to-end projects from architecture to production, including payment systems modernization and CRM integrations. I specialize in Stripe payment integration—subscription billing, webhooks, and lifecycle management—across PHP (Laravel) and Node.js backends, with frontend work in React and Vue.js. I analyze legacy payment flows, design migration strategies, implement robust integrations, and ensure data security and privacy compliance (HIPAA-aware).…I am a senior full-stack engineer with 10+ years of hands-on experience across regulated industries, delivering scalable web and backend solutions. I have led end-to-end projects from architecture to production, including payment systems modernization and CRM integrations. I specialize in Stripe payment integration—subscription billing, webhooks, and lifecycle management—across PHP (Laravel) and Node.js backends, with frontend work in React and Vue.js. I analyze legacy payment flows, design migration strategies, implement robust integrations, and ensure data security and privacy compliance (HIPAA-aware).

Available to hire

I am a senior full-stack engineer with 10+ years of hands-on experience across regulated industries, delivering scalable web and backend solutions. I have led end-to-end projects from architecture to production, including payment systems modernization and CRM integrations.

I specialize in Stripe payment integration—subscription billing, webhooks, and lifecycle management—across PHP (Laravel) and Node.js backends, with frontend work in React and Vue.js. I analyze legacy payment flows, design migration strategies, implement robust integrations, and ensure data security and privacy compliance (HIPAA-aware).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Russian

Fluent

Belarusian

Fluent

Work Experience

Full Stack Engineer at BodyshopConnect Canada

June 1, 2024 - May 1, 2026

Delivered a multi-year modernization of a Canadian automotive platform by analyzing existing payment and billing flows, advising on migration to new processing infrastructure, and implementing best-practice integrations. Built REST APIs in PHP/Laravel and Node.js consumed by React/Vue frontends; ensured data integrity and system stability while producing documentation and knowledge transfer materials for the team.

Team Lead / Full-Stack Developer

June 1, 2021 - September 1, 2022

Led payment integration and healthcare-focused system work for a Warsaw-based client. Oversaw end-to-end development, defined architecture, and coordinated cross-functional teams. Implemented asynchronous job pipelines with AWS SQS and ensured scalable, reliable delivery of features across back-end services.

Team-Lead / Full-stack Developer

April 1, 2020 - May 1, 2021

Led the development of a CRM and operations platform for a beauty salon network. Facilitated sprint planning, enforced code quality, and built event-driven workflows with AWS SQS/SNS for notifications and automation. Integrated Google APIs for location and calendar features and coordinated migration planning across teams.

Full-Stack Developer

June 1, 2019 - April 1, 2020

Developed a stock management system for a pharmaceutical company, including Redis-backed caching to optimize queries on high-volume datasets and a responsive React frontend for real-time inventory updates.

Full-Stack Developer

June 1, 2018 - March 1, 2019

Built cross-platform mobile fintech applications supporting P2P payments. Implemented Node.js microservices backend with MongoDB and delivered a mobile client in React Native targeting iOS and Android.