Building Digital
Experiences That Matter
Senior Fullstack Engineer specializing in scalable architecture, high-performance interfaces, and intuitive user experiences.
Beyond the Code
I am a passionate Software Engineer specializing in web and mobile development. Based in Indonesia, I enjoy building reliable and scalable digital products that focus on performance and user experience.
My main expertise lies in the React ecosystem (Next.js & React Native) along with Node.js. I have experience developing various applications including mental health platforms, booking systems, and internal business dashboards.
I focus on writing clean and maintainable code while building systems that can grow with real business needs. Currently, I work with tools like Next.js, TypeScript, React Native, and MySQL, while also exploring opportunities to integrate AI into modern applications.
Technical Capabilities
Beyond just syntax—I focus on applying the right tools to build scalable, maintainable, and high-performance software.
Frontend & Mobile
Crafting responsive, high-performance user interfaces for web and mobile platforms.
Backend & Database
Building robust server-side applications and managing data efficiently.
Tools & DevOps
Streamlining development workflows and ensuring code quality.
Core Competencies
Foundational skills that drive project success and team collaboration.
Work Experience
A timeline of my professional journey and contributions.
PT. Pola Inti Perkasa
Sept 2022 – PresentManaging and maintaining multiple web assets for subsidiaries. Collaborating directly with the CTO to define technical priorities, implementing new features based on business needs, and optimizing system performance.
PT. Logos Indonesia Mandiri
Mar 2024 – May 2025Developed a comprehensive mental health counseling mobile application. Built core features including booking systems, real-time chat, and user progress tracking. Ensured seamless integration with backend services.
IIS SMP Progresif Bumi Shalawat
Aug 2021 – June 2023Mentored junior high school students in web development fundamentals (HTML, CSS, JS). Designed curriculum and teaching materials, guiding students through final projects and personal website creation.
PT. Cerita Progresif Indonesia
Feb 2022 – May 2022Contributed to the development of the Diceritain mobile and web applications. Focused on UI/UX enhancements and feature implementation, ensuring timely delivery of weekly sprints.
Selected Case Studies
Deep dives into complex engineering challenges, architectural decisions, and product impact.
Deeptalk – Mental Health Counseling App
A mobile platform that connects users with professional psychologists for online counseling sessions. The app allows users to explore psychologist profiles, book counseling sessions, and communicate through real-time chat.
The Challenge
Building a reliable counseling platform that supports real-time communication, session booking, and user data synchronization across mobile devices.
Technical Solution
Developed the mobile application using React Native and Expo. Integrated Firebase for authentication, real-time database, and push notifications. Implemented Zustand for global state management and optimized the UI for smooth user experience.
Deeptalk Psychologist – Counselor App
A companion mobile application designed for psychologists to manage counseling sessions, communicate with clients, and track consultation schedules.
The Challenge
Creating a dedicated system for psychologists to handle multiple counseling sessions efficiently while maintaining seamless communication with clients.
Technical Solution
Built the psychologist-side mobile app using React Native and Firebase. Implemented session scheduling, real-time messaging, and push notifications for new client requests and session reminders.
Megafit – Gym Booking & Membership System
A web platform for managing gym memberships, class bookings, and personal training sessions. The system enables users to book gym classes and manage their memberships online.
The Challenge
Developing a booking system that supports class scheduling, membership management, and user activity tracking.
Technical Solution
Developed the web application using React and integrated backend services with Express.js and MySQL. Implemented booking logic, membership tracking, and API integrations to support gym operations.
Pola Group Corporate Web Platform
Developed and maintained multiple corporate websites for subsidiaries under PT Pola Inti Perkasa using a custom-built CMS instead of third-party platforms.
The Challenge
Each subsidiary required different content structures and business features, making it difficult to maintain consistency while supporting flexible content management.
Technical Solution
Designed and developed a custom CMS-backed web platform using React, Next.js, Express.js, and MySQL. Implemented dynamic content management, reusable UI components, and flexible data structures to support multiple company websites with different requirements.
Mindwell – Counseling Booking Website
A personal project focused on creating a simple and accessible counseling booking platform for mental health services.
The Challenge
Designing a clean and intuitive user interface that simplifies the process of booking counseling sessions.
Technical Solution
Developed the platform using modern React-based technologies and deployed it for public access.
CatetUang – Shared Expense Tracker for Couples
A collaborative finance tracking web application designed for couples to manage shared expenses in real-time. The platform helps partners stay aligned on spending, track household finances, and avoid end-of-month surprises.
The Challenge
Designing a simple yet effective system that allows two users to track shared expenses together while maintaining clarity, synchronization, and an intuitive interface.
Technical Solution
Developed a responsive web application that enables users to quickly log expenses, automatically calculate totals, and generate monthly reports. The system keeps financial data synchronized so both partners can monitor shared spending in real time.
Trusted by Leaders
Collaborating with ambitious teams to deliver high-impact technical solutions.
"Daffa transformed our legacy platform into a high-performance modern web app. His architectural decisions reduced our technical debt significantly while improving team velocity."
Sarah Chen
CTO, TechFlow Inc.
"One of the few engineers who truly understands both product and code. He doesn't just build features; he builds scalable systems that solve real business problems."
James Wilson
Product Director, MegaFit
"Exceptional attention to detail in motion design and accessibility. The component library he built is still the backbone of our design system today."
Elena Rodriguez
Lead Designer, Creative Studio