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I'm Andrei Tan, a Senior Full Stack Engineer with 12+ years of experience building scalable web apps for fintech and enterprise clients. I specialize in React, TypeScript, and Node.js, and I enjoy shaping end-to-end platforms from architecture to production. I thrive in collaborative environments, translating business goals into solid technical solutions, designing robust APIs, and improving system performance and reliability. I value maintainable code, clear communication with stakeholders, and empowering teams through code reviews and best practices.…I'm Andrei Tan, a Senior Full Stack Engineer with 12+ years of experience building scalable web apps for fintech and enterprise clients. I specialize in React, TypeScript, and Node.js, and I enjoy shaping end-to-end platforms from architecture to production. I thrive in collaborative environments, translating business goals into solid technical solutions, designing robust APIs, and improving system performance and reliability. I value maintainable code, clear communication with stakeholders, and empowering teams through code reviews and best practices.

Andrei Tan

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

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I'm Andrei Tan, a Senior Full Stack Engineer with 12+ years of experience building scalable web apps for fintech and enterprise clients. I specialize in React, TypeScript, and Node.js, and I enjoy shaping end-to-end platforms from architecture to production. I thrive in collaborative environments, translating business goals into solid technical solutions, designing robust APIs, and improving system performance and reliability. I value maintainable code, clear communication with stakeholders, and empowering teams through code reviews and best practices.…I'm Andrei Tan, a Senior Full Stack Engineer with 12+ years of experience building scalable web apps for fintech and enterprise clients. I specialize in React, TypeScript, and Node.js, and I enjoy shaping end-to-end platforms from architecture to production. I thrive in collaborative environments, translating business goals into solid technical solutions, designing robust APIs, and improving system performance and reliability. I value maintainable code, clear communication with stakeholders, and empowering teams through code reviews and best practices.

Available to hire

I’m Andrei Tan, a Senior Full Stack Engineer with 12+ years of experience building scalable web apps for fintech and enterprise clients. I specialize in React, TypeScript, and Node.js, and I enjoy shaping end-to-end platforms from architecture to production.

I thrive in collaborative environments, translating business goals into solid technical solutions, designing robust APIs, and improving system performance and reliability. I value maintainable code, clear communication with stakeholders, and empowering teams through code reviews and best practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Cognizant Romania

April 1, 2023 - Present

Led end-to-end full-stack development for distributed fintech and enterprise platforms using React, TypeScript, Next.js, Redux, and Node.js. Designed and consumed RESTful APIs and GraphQL, implemented microservices, and deployed on Docker with AWS. Drove architecture decisions to improve scalability and reliability, reduced latency via caching, and ensured maintainable codebases through code reviews and standards enforcement. Collaborated with product owners and stakeholders to translate business requirements into scalable technical solutions, delivering high-quality features with strong performance and security.

Senior Full Stack Engineer at Stripe

January 1, 2020 - March 31, 2023

Delivered production-grade features for Stripe's distributed systems, focusing on frontend (React, TypeScript) and backend services (Node.js). Implemented RESTful APIs, GraphQL, and microservices with Docker and CI/CD pipelines (GitHub Actions, Vercel). Led performance optimizations and ensured security/compliance in payments workflows. Collaborated with cross-functional teams to refine requirements and ship reliable features for global users.

Full Stack Engineer at Carousell

October 1, 2015 - December 31, 2019

Built full-stack features for Carousell's platform (Singapore / Hybrid), leveraging React, TypeScript, Next.js, and Node.js. Implemented customer-facing UI and robust backend services, including RESTful APIs and GraphQL, with Redis caching and PostgreSQL. Drove system scalability improvements, mentored juniors, and collaborated with product teams to deliver high-impact features in a fast-paced environment.

Junior Full Stack Developer at NCS Group

July 1, 2013 - September 30, 2015

Developed backend services and REST APIs for enterprise systems, supported frontend interfaces, and debugged production issues to improve stability. Collaborated with senior engineers to refine architecture and development practices, contributing to overall system reliability and internal workflow enhancements.