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I’m a senior full-stack software engineer with 5+ years of experience owning production web platforms end-to-end—designing, building, and shipping reliable features across frontend, backend, and deployment. I’ve worked extensively with React and Next.js on the UI side, and with Node.js and Java Spring Boot services on the backend, integrating APIs and building end-to-end workflows that teams can depend on.…I’m a senior full-stack software engineer with 5+ years of experience owning production web platforms end-to-end—designing, building, and shipping reliable features across frontend, backend, and deployment. I’ve worked extensively with React and Next.js on the UI side, and with Node.js and Java Spring Boot services on the backend, integrating APIs and building end-to-end workflows that teams can depend on.

Sajjad U. Zaid

Full Stack Developer, Web Developer, Software Engineer, +2

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I’m a senior full-stack software engineer with 5+ years of experience owning production web platforms end-to-end—designing, building, and shipping reliable features across frontend, backend, and deployment. I’ve worked extensively with React and Next.js on the UI side, and with Node.js and Java Spring Boot services on the backend, integrating APIs and building end-to-end workflows that teams can depend on.…I’m a senior full-stack software engineer with 5+ years of experience owning production web platforms end-to-end—designing, building, and shipping reliable features across frontend, backend, and deployment. I’ve worked extensively with React and Next.js on the UI side, and with Node.js and Java Spring Boot services on the backend, integrating APIs and building end-to-end workflows that teams can depend on.

Available to hire

I’m a senior full-stack software engineer with 5+ years of experience owning production web platforms end-to-end—designing, building, and shipping reliable features across frontend, backend, and deployment. I’ve worked extensively with React and Next.js on the UI side, and with Node.js and Java Spring Boot services on the backend, integrating APIs and building end-to-end workflows that teams can depend on.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Senior Full-Stack Software Engineer at Exper Labs

September 1, 2021 - Present

Owns core modules of a multi-application platform (customer website, employee portal, partner portal) built with React, Ruby on Rails, and Java Spring Boot. Maintains and modernizes a Redux-driven React portal, preserving legacy structure while revamping UI into more interactive experiences. Runs legacy and migration systems in parallel, studying legacy behavior, porting pages/features, and testing, deploying, and monitoring rollouts. Designs and ships production-grade full-stack features end-to-end using TypeScript, React, Node.js, and REST APIs; contributes to Java Spring Boot microservices by building workflows and CRUD REST APIs and leading data migrations. Rebuilt an in-house automation system to replace a third-party solution, improving success rate from ~65% to 90%+. Integrates LLM-backed agents for automation, structured content generation, and workflow orchestration; mentors juniors and performs QA for major launches.

Software Engineer at Menace Studio

February 1, 2021 - August 31, 2021

Worked as a JavaScript developer using AWS and GCP services. Built a multi-tenant demo application on GCP with React, strengthening core JavaScript skills. Published technical articles on Medium and Dev.to, including content about building Chrome extensions with React.