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Hi, I’m Ahmad Husein Hambali, a Backend Engineer based in Malang, Indonesia. I specialize in designing and maintaining scalable backend services with Node.js, Express, and PostgreSQL, with a track record of solving complex production problems in financial and business workflows. I’m comfortable debugging challenges, integrating with financial workflows, and delivering results in cross-functional teams. I value code quality and sustainable engineering practices, and I thrive in environments that encourage collaboration and continuous learning.…Hi, I’m Ahmad Husein Hambali, a Backend Engineer based in Malang, Indonesia. I specialize in designing and maintaining scalable backend services with Node.js, Express, and PostgreSQL, with a track record of solving complex production problems in financial and business workflows. I’m comfortable debugging challenges, integrating with financial workflows, and delivering results in cross-functional teams. I value code quality and sustainable engineering practices, and I thrive in environments that encourage collaboration and continuous learning.

Ahmad Husein Hambali

Back-End Developer, Full Stack Developer, Web Developer, +1

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Hi, I’m Ahmad Husein Hambali, a Backend Engineer based in Malang, Indonesia. I specialize in designing and maintaining scalable backend services with Node.js, Express, and PostgreSQL, with a track record of solving complex production problems in financial and business workflows. I’m comfortable debugging challenges, integrating with financial workflows, and delivering results in cross-functional teams. I value code quality and sustainable engineering practices, and I thrive in environments that encourage collaboration and continuous learning.…Hi, I’m Ahmad Husein Hambali, a Backend Engineer based in Malang, Indonesia. I specialize in designing and maintaining scalable backend services with Node.js, Express, and PostgreSQL, with a track record of solving complex production problems in financial and business workflows. I’m comfortable debugging challenges, integrating with financial workflows, and delivering results in cross-functional teams. I value code quality and sustainable engineering practices, and I thrive in environments that encourage collaboration and continuous learning.

Available to hire

Hi, I’m Ahmad Husein Hambali, a Backend Engineer based in Malang, Indonesia. I specialize in designing and maintaining scalable backend services with Node.js, Express, and PostgreSQL, with a track record of solving complex production problems in financial and business workflows.

I’m comfortable debugging challenges, integrating with financial workflows, and delivering results in cross-functional teams. I value code quality and sustainable engineering practices, and I thrive in environments that encourage collaboration and continuous learning.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Backend Engineer at NoscAi GmbH

January 1, 2024 - December 1, 2025

Developed and maintained backend services using Node.js, Express.js, and PostgreSQL, supporting financial workflows processing 1-5k monthly invoices. Implemented complex financial workflows including invoice correction systems, billing liquidations, and payment processing features with regulatory compliance requirements. Collaborated with CTO on system architecture decisions and independently designed technical solutions for feature implementations, resolving critical production issues. Conducted code reviews and wrote unit tests to maintain code quality standards across a 9-person engineering team. Worked in a cross-functional agile team (4 engineers + QA + UI/UX) delivering features in 2-week sprint cycles.

Full Stack Developer at BookYourGP (NHS GP surgeries project)

September 1, 2021 - January 1, 2024

Developed and maintained BookYourGP, a Laravel-based clinical portal for NHS GP surgeries integrated with EMIS and Systm One clinical systems. Optimized backend performance and database queries, reducing load times by 60-75% for complex queries. Worked in a small team (2 developers), collaborating directly with the CEO and client stakeholders to translate requirements into technical solutions.

Web Developer at PT. Bama Berita Sarana Televisi (BS TV)

June 1, 2020 - July 1, 2021

Maintained and updated a WordPress-based website, ensuring stability, compatibility, and reliable operation in production. Built a CodeIgniter-based online competition system with participant registration, submission workflows, and an admin portal for tracking entries and follow-ups, streamlining competition operations and participant coordination.

Intern Software Engineer at PT. Hyperdata Solusin Do Mandiri

July 1, 2018 - June 1, 2019

Developed and maintained backend logic for web applications using PHP (CodeIgniter). Created a client’s website from scratch, utilizing CodeIgniter for backend logic and PostgreSQL for data storage.