● Migrated a legacy application to TypeScript, improving code maintainability and enhancing performance.● Developed scalable RESTful APIs using a Test-Driven Development (TDD) approach to ensure high codequality and reliability.● Containerized development and production environments using Docker, streamlining deployments andboosting developer efficiency.● Mentored junior developers by providing guidance on best practices, TDD, debugging, and back-endarchitecture, fostering team growth.

● Spearheaded the development, launch, and release management of a flagship product serving thousands ofcustomers across Indonesia, Argentina, and Brazil, ensuring backend services maintained high availabilityand stability post-launch.● Developed scalable APIs using Golang, Node.js, and AWS Lambda within a microservices architecturepowered by RabbitMQ.● Led a team of backend developers, mentoring and onboarding junior team members while guiding them ineffectively resolving issues.● Implemented Redis caching to improve page load times and enhance overall user experience while designingand deploying a third-party API integration that increased partner engagement and expanded platformcapabilities.● Managed and optimized AWS infrastructure by deploying containerized services using Docker and building aCI/CD pipeline with GitHub Actions to enhance deployment speed, significantly reduce release time, andimprove developer productivity.● Created a mission-critical payout system responsible for processing large volumes of customer transactions.● Developed an internal push notification library in Node.js, widely adopted by the team, and implemented A/Btesting through a feature flag system to drive greater feature adoption and more effective product releases.

● Worked on developing a product for the company using Python-based frameworks Django and Flask.● Built an email notification service from scratch using Celery for task queue management, enablingasynchronous email delivery and improving system scalability.● Built a data pipeline using Redis, reducing data processing time and enhancing system performance.

Developed a social media app using mean stack in which user could follow his interest and it had user feed