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I am Abu Ammar, a software engineer specializing in React.js/Next.js and Java Spring Boot, with 3+ years of experience delivering microservices and event-driven systems backed by SQL databases like PostgreSQL and MySQL. I focus on performance tuning, caching, concurrency handling, and cloud deployments (AWS/GCP). I hold the Oracle Cloud Infrastructure 2025 Certified AI credential, was a Top-12 finalist at the Amartha x GDG Jakarta Hackathon (2025), and have spoken at Lombok Dev Meetup about token-oriented object notation.…I am Abu Ammar, a software engineer specializing in React.js/Next.js and Java Spring Boot, with 3+ years of experience delivering microservices and event-driven systems backed by SQL databases like PostgreSQL and MySQL. I focus on performance tuning, caching, concurrency handling, and cloud deployments (AWS/GCP). I hold the Oracle Cloud Infrastructure 2025 Certified AI credential, was a Top-12 finalist at the Amartha x GDG Jakarta Hackathon (2025), and have spoken at Lombok Dev Meetup about token-oriented object notation.

Abu Ammar

Full Stack Developer, Web Developer, Front-End Developer, +3

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I am Abu Ammar, a software engineer specializing in React.js/Next.js and Java Spring Boot, with 3+ years of experience delivering microservices and event-driven systems backed by SQL databases like PostgreSQL and MySQL. I focus on performance tuning, caching, concurrency handling, and cloud deployments (AWS/GCP). I hold the Oracle Cloud Infrastructure 2025 Certified AI credential, was a Top-12 finalist at the Amartha x GDG Jakarta Hackathon (2025), and have spoken at Lombok Dev Meetup about token-oriented object notation.…I am Abu Ammar, a software engineer specializing in React.js/Next.js and Java Spring Boot, with 3+ years of experience delivering microservices and event-driven systems backed by SQL databases like PostgreSQL and MySQL. I focus on performance tuning, caching, concurrency handling, and cloud deployments (AWS/GCP). I hold the Oracle Cloud Infrastructure 2025 Certified AI credential, was a Top-12 finalist at the Amartha x GDG Jakarta Hackathon (2025), and have spoken at Lombok Dev Meetup about token-oriented object notation.

Available to hire

I am Abu Ammar, a software engineer specializing in React.js/Next.js and Java Spring Boot, with 3+ years of experience delivering microservices and event-driven systems backed by SQL databases like PostgreSQL and MySQL.

I focus on performance tuning, caching, concurrency handling, and cloud deployments (AWS/GCP). I hold the Oracle Cloud Infrastructure 2025 Certified AI credential, was a Top-12 finalist at the Amartha x GDG Jakarta Hackathon (2025), and have spoken at Lombok Dev Meetup about token-oriented object notation.

Skills

Experience Level

Expert

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Expert

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Expert

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Full Stack Developer at PT. Lembaga Sinergi Analitika

June 1, 2022 - December 1, 2024

Owned end-to-end delivery of UI and API integrations, reducing data-fetching latency by 25% through Redux Toolkit state management and API caching. Translated complex UI/UX designs into responsive, pixel-perfect web apps; implemented SSO and REST APIs using Java Spring Boot on AWS EC2 to standardize authentication across services.