Reliable Product Delivery
Reusable components, API integration, and delivery habits that help teams ship safely.
Available for impactful work 
I'm Hamzah
Front-End Developer
I build reliable frontend products for banking, payments, and internal business systems with strong attention to performance, testing, and maintainable UI architecture.
My Focus
Beyond writing UI, I focus on the engineering habits that make modern frontend teams effective: clean architecture, performance, testing, integration quality, and dependable delivery.
Performance-Focused Frontend
From code splitting to load-time improvements, I care about real user performance and stability.
Testing, Quality, and Scale
Unit testing, validation, and maintainable architecture for business-critical systems.
My Work Experience
PT Bank Rakyat Indonesia Tbk
October 2025 - Present
Frontend Developer
Developed frontend features for the NDS Payment Engine, built end-to-end payment flows, and created reusable UI and integration adapters using Vue, Vuex, gRPC, and REST APIs.
PT Bank Maybank Indonesia Tbk
February 2025 - September 2025
Frontend Developer
Developed the Multicurrency feature in M2U ID Web using React, Material UI, and Redux for Maybank's web-based digital banking application.
PT Telkom Indonesia
July 2024 - September 2024
Frontend Developer
Developed Portal Klinik modules with React and Next.js, added unit and integration tests, improved validation and performance, and supported Docker plus CI/CD workflows.
PT GDC Multi Sarana
November 2020 - April 2024
Frontend Developer
Led fullstack development for payment gateway products, built GDCPay SSO Web Admin, and developed APIs with Flask, Django, Node.js, Express, and MySQL.
Machine Vision Indonesia
November 2018 - April 2019
Frontend Developer
Developed webpages with VueJS, integrated REST APIs, and supported backend functionality using PHP Laravel to improve system efficiency and user engagement.
Why work with me?
Frontend Developer based in Jakarta, Indonesia with 5+ years of experience building scalable and high-performance web applications. I bring together product thinking, reliable implementation, and strong engineering practices across React, Next.js, Vue, testing, API integration, and maintainable component systems.
5+ Years
Frontend Experience
Banking & Payments
Domain Focus
Selected case studies
Work that shipped with impact
These are not just mock projects. They represent real product work in banking, healthcare, and payment systems where reliability, performance, and business impact were part of the job.
Frontend Developer PT Bank Rakyat Indonesia Tbk 2025 - Present
NDS Payment Engine
Scope
Built frontend flows for national-scale payment services where reliability and release quality mattered.
Impact
Implemented inquiry, validation, and transaction confirmation flows while reducing duplication through reusable UI and integration adapters.
Vue Quasar Vuex gRPC REST API
Frontend Developer PT Bank Maybank Indonesia Tbk 2025
M2U ID Web Multicurrency
Scope
Delivered a multicurrency capability for a digital banking web app used by individual customers.
Impact
Helped extend core banking functionality in a customer-facing product using a modern React stack and predictable state management.
React Redux Material UI
Frontend Developer PT Telkom Indonesia 2024
Portal Klinik
Scope
Built healthcare operations modules while improving quality, validation, and frontend performance.
Impact
Cut bugs by 80%, improved load time by 30%, and delivered a more reliable product through testing, validation, and performance optimization.
Next.js React Redux SWR Zod Jest RTL
Frontend Developer / Fullstack Contributor PT GDC Multi Sarana 2020 - 2024
GDCPay SSO Web Admin
Scope
Worked on admin and payment products covering reconciliation, merchant operations, and internal business workflows.
Impact
Automated work equivalent to 50 hours per month, improved loading time by 15%, and supported secure backend services plus partner integrations.
Next.js React TypeScript Flask Django Node.js MySQL
Why This Matters
The profile behind the projects
Recruiters and teams today usually look for more than UI delivery. The strongest signal is being able to connect product goals, engineering quality, and business outcomes.
Banking and payment domain experience Performance and testing as core priorities Reusable component and integration mindset Comfortable across frontend and backend collaboration
People Who
Worked With Me Directly
Short notes from collaborators across banking and payment teams who worked with me on product delivery, integration, and frontend implementation.
”
NM
Nasrulloh Muhyiddin
Backend Engineer • PT GDC Multi Sarana
★
★
★
★
★
5.0
Hamzah was consistently reliable when we worked together at PT GDC Multi Sarana. He was strong in turning product requirements into maintainable frontend implementation and collaborated smoothly with backend integration work.
”
MF
M Frizar
iOS Developer • PT Maybank Indonesia
★
★
★
★
★
5.0
Working with Hamzah at Maybank was a great experience. He approached frontend development with strong ownership, clear communication, and a solid understanding of how to deliver dependable user-facing features in a product team.
”
AR
Alvarizqi
Frontend Engineer • PT Bank Rakyat Indonesia
★
★
★
★
★
5.0
Hamzah brings a thoughtful frontend mindset to the team. At BRI, I saw him handle implementation carefully, keep code structured, and stay focused on building flows that are both reliable and easier for the team to extend.
Need a frontend engineer
for a serious product? Let's talk
✉
fariez8@gmail.com
✦ React, Vue & Next.js
✦ Jest & React Testing Library
✦ gRPC & REST API
Frontend EngineeringFinancial PlatformsTesting QualityPerformanceScalable UI Systems ✦ Frontend EngineeringFinancial PlatformsTesting QualityPerformanceScalable UI Systems
Core stack and delivery toolkit
Vue (Quasar)ReactNext.jsVuexReduxMaterial UITailwindCSSJestReact Testing LibrarygRPCREST APITypeScriptDockerCI/CDFlaskDjangoNode.jsExpressMySQLFigma ✦ Vue (Quasar)ReactNext.jsVuexReduxMaterial UITailwindCSSJestReact Testing LibrarygRPCREST APITypeScriptDockerCI/CDFlaskDjangoNode.jsExpressMySQLFigma
Learning Journey
Education and
Education and
certifications
Academic background and focused certifications that support my work in modern frontend development.
Education
2016 - 2020
Bachelor of Applied Science in Informatics Engineering
Politeknik Elektronika Negeri Surabaya
Surabaya, East Java, Indonesia. GPA 3.06/4.0 with a final project on tobacco leaf disease detection using React Native and Python.
The Ultimate React Course 2024: React, Redux & More
Structured React learning
Focused on practical React patterns, state management, and modern frontend development workflows.
The Complete JavaScript Course 2024: From Zero to Expert!
Deep JavaScript foundation
Strengthened core JavaScript concepts, problem solving, and language fundamentals used across daily frontend work.
Supporting Skills
Foundation beyond daily coding
Testing: Jest, React Testing Library
State Management: Redux, Zod, React Context, Vuex
Build Tools: CI/CD, Webpack, Vite, Turbopack, npm, yarn
UI Libraries: Material UI, Radix UI, TailwindCSS, SASS, Bootstrap
Languages & Frameworks: TypeScript, Node.js, Express, Flask, Django, Vue
Database: MySQL
Design Tools: Figma
Methodologies: Agile, Scrum
Other: Problem Solving, Teamwork, Responsive Design, Cross Browser Compatibility, Web Accessibility