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Hadian Rahmat

Full Stack Engineer | Tech Leader | Certified Google Cloud Professional Developer

Bandung, West Java, Indonesia | hadianrahmat.com

hadian.rahmat@gmail.com | LinkedIn | GitHub

Professional Summary

Full-Stack Engineer & Tech Leader with 8+ years architecting scalable systems and leading high-performing engineering teams. Backend specialist in Go, Node.js, and PHP with cloud expertise (Google Cloud Certified Professional Developer). Pioneer in AI-augmented development practices and active tech community leader (GDG Bandung Organizer). Proven success in digital transformation, microservices architecture, and delivering solutions for millions of users.

Technical Skills

Languages: Go (Golang), PHP, JavaScript, TypeScript, Node.js, SQL

Frameworks: Laravel, AdonisJS, Express.js, Lumen, CodeIgniter, ElysiaJS

Frontend: React, Vue.js, Astro, Tailwind CSS, HTML5, CSS3

Databases: MySQL, PostgreSQL, Redis, MongoDB

Cloud Platforms: Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure

DevOps & CI/CD: Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, Terraform

Tools & Technologies: Git, Linux, Nginx, RabbitMQ, Microservices, RESTful API, GraphQL

AI-Augmented Tools: Claude, ChatGPT, Gemini, GitHub Copilot, Cursor, Gemini Code Assist

Methodologies: Agile, Scrum, CI/CD, Test-Driven Development, Code Review

Certifications

Professional Cloud Developer

2024

Google Cloud

Professional certification demonstrating expertise in designing, building, and deploying scalable applications on Google Cloud Platform. Covers Cloud Run, GKE, Cloud Functions, and production-ready architectures.

Experience

Staffinc Group

Full Stack Engineer

Sep 2025 - Dec 2025

Freelance / Contract

Jakarta, Indonesia

Delivered full-stack solutions for enterprise clients as a contract engineer, building scalable applications using modern JavaScript frameworks and backend technologies.

• Developed end-to-end features from database design to frontend implementation, ensuring seamless user experience and maintainable code architecture.

• Collaborated with cross-functional teams to translate business requirements into technical solutions, maintaining alignment between product vision and implementation.

• Applied industry best practices in code quality, security standards, and performance optimization throughout the development lifecycle.

Badan Kepagawaian Daerah Provinsi Jawa Barat

Tenaga Ahli - Fullstack Engineer

Oct 2024 - Jun 2025

Full-time

Bandung, Indonesia

Drove digital transformation in public sector as Technical Expert, architecting and developing critical civil service applications serving employees across West Java province.

• Designed and implemented full-stack applications for government operations, modernizing legacy systems and improving service delivery for civil servants.

• Ensured compliance with government security standards and data protection regulations while maintaining high system reliability and availability.

• Bridged technical and non-technical stakeholders, translating complex technical concepts into actionable insights for government officials.

GITS Indonesia

Jun 2018 - Sep 2024

Engineering Manager

Sep 2022 - Sep 2024

Full-time

Bandung, Indonesia

Led engineering team through successful delivery of enterprise projects, establishing technical standards and development processes that improved team velocity and product quality.

• Built and managed high-performing engineering team, implementing Agile practices and establishing clear development workflows that enabled consistent project delivery.

• Drove adoption of CI/CD pipelines and DevOps practices, transforming deployment process from manual releases to automated continuous delivery.

• Collaborated with product management, design, and QA to align technical execution with business objectives, ensuring seamless cross-functional project delivery.

• Championed technical innovation by evaluating and introducing modern technologies and frameworks that enhanced product capabilities and developer productivity.

• Mentored engineers through code reviews, architectural discussions, and career development planning, fostering culture of technical excellence and continuous learning.

Chapter Lead Backend

Mar 2021 - Sep 2022

Full-time

Bandung, Indonesia

Led backend engineering chapter, establishing architectural standards and technical practices that shaped backend development across multiple product teams.

• Mentored backend engineers from junior to senior levels, conducting technical reviews and career development sessions that accelerated team capability growth.

• Established backend architectural standards and coding conventions, ensuring consistency and quality across microservices and API implementations.

• Led backend architecture for complex enterprise projects, designing scalable solutions that met performance requirements and client expectations.

• Implemented code quality initiatives including structured code review processes, refactoring strategies, and technical documentation standards that improved codebase maintainability.

Backend Engineer

Jun 2018 - Mar 2021

Full-time

Bandung, Indonesia

Architected and developed backend systems serving production traffic, building scalable microservices and RESTful APIs using Go, Node.js, and PHP frameworks.

• Designed backend architectures supporting high-concurrency workloads, implementing caching strategies and load balancing that maintained performance under peak traffic.

• Optimized database performance through query analysis, strategic indexing, and schema refinements, achieving significant improvements in response times and throughput.

• Implemented comprehensive security measures including authentication systems, authorization frameworks, and data encryption, ensuring compliance with security standards.

• Developed critical backend features and API endpoints that enabled new product capabilities and enhanced user experience across multiple client applications.

• Created well-documented RESTful APIs with clear contracts, facilitating smooth integration for frontend teams and external service providers.

• Maintained production stability through proactive monitoring, debugging complex issues, and implementing fixes that minimized downtime and user impact.

PT Jaya Data Informatika

Web Developer

Aug 2017 - Jun 2018

Full-time

Bandung, Indonesia

Built full-stack web applications for client projects using Laravel and CodeIgniter, developing end-to-end features from database design to frontend interfaces.

• Delivered complete web solutions for business clients, handling requirements gathering, technical implementation, and deployment to production environments.

• Developed proficiency in MVC architecture patterns and PHP frameworks, establishing foundation for backend engineering expertise.

Education

Information System

2018 - 2022

Widyatama University

Bandung, West Java, Indonesia

Software Engineering

2014 - 2017

SMK Negeri 4 Bandung

Bandung, West Java, Indonesia

Languages

Indonesian: Native

English: Professional Working Proficiency

Community Involvement

Organizer GDG Bandung

2022 - Present

Bandung, West Java, Indonesia

GDG Bandung is a technology community dedicated to developing the technology ecosystem in Bandung, West Java, Indonesia. GDG stands for Google Developer Group, which is a global network of developer communities interested in Google technologies.

Organizer BandungDev

2023 - Present

Bandung, West Java, Indonesia

BandungDev is a tech community for software developers, programmers, engineers in Bandung area and around it. Therefore each event or discussion would be either combining different topics or focusing on just one tech in particular.

GDG On Campus Lead Widyatama

2020 - 2021

Bandung, West Java, Indonesia

GDG (Google Developer Group) on Campus Widyatama University is a student community focused on technology development, programming, and innovation. Members of GDG on Campus Widyatama University engage in various activities such as training, workshops, seminars, and technology projects aimed at enhancing understanding and skills in software development, artificial intelligence, application development, and other cutting-edge technologies. This community collaborates with Google to provide access to resources, mentors, and opportunities to contribute to relevant technology projects. GDG on Campus Widyatama University encourages collaboration, learning, and creativity among students with interests in the technology field.