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I'm Yunus Ng, a Senior Full Stack Engineer and Technical Lead based in Tangerang, Indonesia. I bring 14 years of experience architecting scalable web and mobile applications, and I thrive in remote, international environments where collaboration and deliberate design matter. I love turning complex business problems into robust, maintainable software and mentoring teams to deliver high-quality solutions. I specialize in JavaScript/TypeScript and modern backend architectures, with growing proficiency in Go for microservices. My focus is on building reliable systems, optimizing database performance, and improving observability through metrics and monitoring. I’m excited to contribute my architectural experience to a Backend or Full Stack role in a distributed team.…I'm Yunus Ng, a Senior Full Stack Engineer and Technical Lead based in Tangerang, Indonesia. I bring 14 years of experience architecting scalable web and mobile applications, and I thrive in remote, international environments where collaboration and deliberate design matter. I love turning complex business problems into robust, maintainable software and mentoring teams to deliver high-quality solutions. I specialize in JavaScript/TypeScript and modern backend architectures, with growing proficiency in Go for microservices. My focus is on building reliable systems, optimizing database performance, and improving observability through metrics and monitoring. I’m excited to contribute my architectural experience to a Backend or Full Stack role in a distributed team.

Yunus Ng

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

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I'm Yunus Ng, a Senior Full Stack Engineer and Technical Lead based in Tangerang, Indonesia. I bring 14 years of experience architecting scalable web and mobile applications, and I thrive in remote, international environments where collaboration and deliberate design matter. I love turning complex business problems into robust, maintainable software and mentoring teams to deliver high-quality solutions. I specialize in JavaScript/TypeScript and modern backend architectures, with growing proficiency in Go for microservices. My focus is on building reliable systems, optimizing database performance, and improving observability through metrics and monitoring. I’m excited to contribute my architectural experience to a Backend or Full Stack role in a distributed team.…I'm Yunus Ng, a Senior Full Stack Engineer and Technical Lead based in Tangerang, Indonesia. I bring 14 years of experience architecting scalable web and mobile applications, and I thrive in remote, international environments where collaboration and deliberate design matter. I love turning complex business problems into robust, maintainable software and mentoring teams to deliver high-quality solutions. I specialize in JavaScript/TypeScript and modern backend architectures, with growing proficiency in Go for microservices. My focus is on building reliable systems, optimizing database performance, and improving observability through metrics and monitoring. I’m excited to contribute my architectural experience to a Backend or Full Stack role in a distributed team.

Available to hire

I’m Yunus Ng, a Senior Full Stack Engineer and Technical Lead based in Tangerang, Indonesia. I bring 14 years of experience architecting scalable web and mobile applications, and I thrive in remote, international environments where collaboration and deliberate design matter. I love turning complex business problems into robust, maintainable software and mentoring teams to deliver high-quality solutions.

I specialize in JavaScript/TypeScript and modern backend architectures, with growing proficiency in Go for microservices. My focus is on building reliable systems, optimizing database performance, and improving observability through metrics and monitoring. I’m excited to contribute my architectural experience to a Backend or Full Stack role in a distributed team.

Skills

Experience Level

Expert

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Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Engineering Team Leader (Hands-on) at PT. Guardia Teknologi Indonesia

June 1, 2020 - December 1, 2025

Led a cross-functional engineering squad of 4 members, owning the development and maintenance of core features for a SaaS platform serving 50,000+ active users. Architected and deployed new features for the web application using JavaScript/TypeScript, ensuring high availability during peak traffic. Optimized database queries (PostgreSQL/MySQL) and implemented Redis caching to handle high-concurrency data requests. Collaborated with DevOps to implement monitoring solutions (Grafana/APM), improving system observability and reducing MTTR for critical bugs. Conducted code reviews and technical mentoring, ensuring high code quality.

Full Stack Mobile Developer at PT. Inti Artha Multifinance

January 1, 2019 - January 1, 2020

Developed a hybrid mobile application using Flutter for financial services. Built and maintained RESTful APIs using PHP CodeIgniter to support mobile app functionality. Improved application stability by identifying and resolving critical bugs, resulting in a smoother user experience.

Senior Full Stack Web Developer at PT. Mahameru Arka Nusantara

January 1, 2015 - January 1, 2019

Led the end-to-end development of multiple web applications using PHP Laravel. Translated complex business requirements into technical specifications and fully functional applications from scratch. Managed the full Software Development Life Cycle (SDLC) for client projects, ensuring on-time delivery.

Freelance Software Engineer at Self-Employed

January 1, 2013 - January 1, 2015

Provided full-stack web development services for various clients, specializing in PHP applications and WordPress custom theme development. Delivered custom solutions for business automation and content management.

Data Warehouse Staff at PT. BFI Finance Indonesia Tbk.

January 1, 2012 - January 1, 2013

Designed Fact and Dimension tables for OLAP data warehousing. Engineered ETL processes to synchronize data between OLTP and OLAP databases, ensuring data integrity for reporting.