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I’m a senior full-stack engineer with 5+ years of experience building secure, data-driven consumer applications and enterprise platforms. I enjoy working end-to-end—from designing system architecture and integrating third-party APIs to shipping reliable features with strong engineering fundamentals. My work focuses on data privacy, consent management, and auditability, and I’ve delivered high-throughput real-time financial services using Node.js, PostgreSQL, and event-driven architectures. I also build cross-platform mobile experiences with React Native and set up quality and automation practices (CI/CD, testing, and code review) to help teams move fast without compromising security or performance.…I’m a senior full-stack engineer with 5+ years of experience building secure, data-driven consumer applications and enterprise platforms. I enjoy working end-to-end—from designing system architecture and integrating third-party APIs to shipping reliable features with strong engineering fundamentals. My work focuses on data privacy, consent management, and auditability, and I’ve delivered high-throughput real-time financial services using Node.js, PostgreSQL, and event-driven architectures. I also build cross-platform mobile experiences with React Native and set up quality and automation practices (CI/CD, testing, and code review) to help teams move fast without compromising security or performance.

Upendra M

Full Stack Developer, Software Engineer, Back-End Developer, +3

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I’m a senior full-stack engineer with 5+ years of experience building secure, data-driven consumer applications and enterprise platforms. I enjoy working end-to-end—from designing system architecture and integrating third-party APIs to shipping reliable features with strong engineering fundamentals. My work focuses on data privacy, consent management, and auditability, and I’ve delivered high-throughput real-time financial services using Node.js, PostgreSQL, and event-driven architectures. I also build cross-platform mobile experiences with React Native and set up quality and automation practices (CI/CD, testing, and code review) to help teams move fast without compromising security or performance.…I’m a senior full-stack engineer with 5+ years of experience building secure, data-driven consumer applications and enterprise platforms. I enjoy working end-to-end—from designing system architecture and integrating third-party APIs to shipping reliable features with strong engineering fundamentals. My work focuses on data privacy, consent management, and auditability, and I’ve delivered high-throughput real-time financial services using Node.js, PostgreSQL, and event-driven architectures. I also build cross-platform mobile experiences with React Native and set up quality and automation practices (CI/CD, testing, and code review) to help teams move fast without compromising security or performance.

Available to hire

I’m a senior full-stack engineer with 5+ years of experience building secure, data-driven consumer applications and enterprise platforms. I enjoy working end-to-end—from designing system architecture and integrating third-party APIs to shipping reliable features with strong engineering fundamentals.

My work focuses on data privacy, consent management, and auditability, and I’ve delivered high-throughput real-time financial services using Node.js, PostgreSQL, and event-driven architectures. I also build cross-platform mobile experiences with React Native and set up quality and automation practices (CI/CD, testing, and code review) to help teams move fast without compromising security or performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Intermediate

Javanese

Advanced

Work Experience

Senior Software Engineer at Amazon

January 1, 2025 - Present

Led development of a real-time financial data aggregation service using Node.js and PostgreSQL, processing 10M transactions daily with sub-200ms latency and implementing event-sourcing for full auditability. Designed and built a secure consent management framework using AWS Lambda and DynamoDB, enabling granular user permissions and compliance across 15+ internal services. Engineered a cross-platform mobile SDK with React Native to support seamless financial account linking and reduce partner integration time by 60%. Implemented a robust data ingestion pipeline using Kafka and PostgreSQL with exactly-once processing and comprehensive audit logging. Improved engineering quality via GitHub Actions-based code review and testing automation, raising test coverage from 72% to 94% and reducing critical bugs by 45%.

Senior Software Engineer at Deloitte

July 1, 2021 - December 31, 2023

Architected and led a consumer financial dashboard for a Fortune 500 client using Node.js and PostgreSQL, integrating third-party APIs and delivering real-time account insights for 200,000+ users. Designed a consent and data-sharing framework with role-based access control and audit trails, improving compliance and reducing security audit findings by 80%. Built a mobile-first onboarding experience with React Native, reducing user drop-off by 40% with simplified account connection flows and real-time validation. Implemented event-driven architecture using Kafka and WebSockets to enable instant notifications and improve engagement by 25%. Established CI/CD pipelines with Jenkins and GitHub Actions, reducing deployment time from 3 hours to 15 minutes and enabling zero-downtime releases.

Software Engineer at Wipro

June 1, 2020 - June 30, 2021

Developed RESTful APIs in Node.js/Express for a telecom billing platform, processing 5M daily requests with ~200ms average response time and maintaining 99.9% availability. Built a customer-facing mobile application with React Native, integrating with backend services and reducing load time by 35% through optimized data fetching. Designed and optimized PostgreSQL schemas and queries for high-volume transactional data, improving query performance by 50% via indexing and tuning. Automated testing and deployment pipelines with GitHub Actions, reducing manual QA effort by 60% and accelerating feature delivery.