Senior Full-Stack Developer at Fiserv

Engineered and maintained React + TypeScript applications for 50,000+ users, improving page load times by 30% and UI responsiveness. Designed and deployed Node.js microservices on AWS Lambda and ECS, reducing downtime by 40% and improving scalability. Led migration of legacy monolithic systems to microservices, cutting cloud infra costs by 25%. Built and optimized CI/CD pipelines (Jenkins, GitHub Actions), accelerating release cycles to multiple deployments per week. Integrated AWS services (S3, RDS, DynamoDB, CloudFront) to ensure high availability and fault tolerance. Implemented real-time features (WebSockets, event-driven systems) for live updates and notifications. Automated infrastructure provisioning with Terraform and Docker, reducing manual errors. Collaborated with cross-functional teams (design, QA, DevOps) to deliver features on time, achieving 95% sprint completion. Enhanced test automation with Jest and Mocha, achieving 80%+ unit test coverage and reducing production bugs

Full-Stack Developer at Wealthsimple

Developed and maintained RESTful APIs in Node.js, integrated with PostgreSQL and MongoDB, supporting 20k+ daily active users. Built reusable React components with Redux, reducing front-end code duplication by 35%. Improved app performance by reducing front-end load time by 2.5 seconds through optimization techniques. Collaborated with DevOps to migrate workloads to AWS EC2 and RDS, achieving 99.9% uptime SLA. Led migration of legacy monetization and data ingestion pipelines to microservices architecture, reducing cloud infra costs by 25%. Implemented CI/CD pipelines (Jenkins, GitHub Actions) to accelerate release cycles. Implemented real-time features (WebSockets) for live updates. Automated infrastructure provisioning with Terraform and Docker, reducing environment setup time. Improved test coverage with Jest and Mocha, raising unit test coverage to 80%+.

Software Engineer at Adaptable

Designed and implemented web applications using JavaScript, React, and Node.js for enterprise clients. Built and optimized SQL queries and stored procedures to support high-volume transactional systems. Contributed to building microservice modules that integrated with third-party APIs, reducing integration time by 40%. Improved deployment workflows by contributing to CI/CD pipelines with Jenkins and GitHub Actions. Collaborated with QA to debug performance bottlenecks and resolve issues, reducing bug triage time. Participated in daily stand-ups and sprint planning, ensuring clear communication across cross-functional teams.

Senior Full-Stack Developer at Fiserv

Designed and maintained React + TypeScript applications for 50,000+ users; built Node.js microservices on AWS Lambda & ECS; reduced downtime by 40%; led migration of legacy monolithic systems to microservices; built and optimized CI/CD pipelines (Jenkins, GitHub Actions); integrated AWS services (S3, RDS, DynamoDB, CloudFront) for high availability; implemented real-time features (WebSockets, event-driven systems) enabling seamless live updates; automated infrastructure provisioning with Terraform & Docker; collaborated with cross-functional teams (design, QA, DevOps) to deliver features on time; improved test coverage with Jest/Mocha and mentored a team of 5 developers.

Full-Stack Developer at Wealthsimple

Full-Stack Developer responsible for RESTful APIs in Node.js with PostgreSQL & MongoDB serving 20k+ daily active users; built reusable React components with Redux; reduced front-end code duplication by 35%; improved app performance by reducing front-end load time by 2.5 seconds; migrated legacy monoliths to microservices architecture using AWS ECS; automated deployments via CI/CD pipelines; integrated AWS services (S3, RDS, DynamoDB, CloudFront) and implemented real-time features (WebSockets, event-driven updates); mentored teammates; achieved 99.9% uptime SLA.

Software Engineer at Adaptable

Designed and implemented web applications using JavaScript, React, and Node.js for enterprise clients; wrote optimized SQL queries and stored procedures; assisted in developing microservice modules and integrating third-party APIs; reduced integration time by 40% via modular design; contributed to CI/CD pipelines using Jenkins and Git; improved deployment workflow and UI components; collaborated with QA and DevOps to ensure timely releases.