About me

I'm Dimas, an iOS developer based in Indonesia. These days, I mainly build iOS apps, and sometimes I develop games in my spare time.

I've worked on banking apps, e-commerce platforms, and AR learning apps. This site is where I share my projects and write about what I've learned.

Read my CV→

Work experience

1. Mar 2026 — Present

   Learner · Apple Developer Academy Jakarta

   I’m learning to create digital products, from researching problems to building apps with Apple technologies. My focus includes product research, human-centered design, and finding a fit between a problem and its solution.

   I collaborate with others to explore ideas, test concepts, and run usability tests to understand how people use what we build.

2. Aug 2024 — Sep 2026

   iOS Developer · NBS

   At NBS, I worked on apps for its clients across banking, media, telecommunications, and investing. My work included iOS development, analytics SDKs, and design systems.

   Client projects at NBS

   • D-Bank PRO 2.0

     Client: Bank Danamon

     I contributed to the development of Bank Danamon’s iOS mobile banking app.

     Danamon ranked ninth among Indonesia’s largest banks by total assets at the end of 2025, with Rp275.7 trillion in consolidated assets.

   • Tribunnews

     Client: Tribun Network

     I helped create an analytics SDK for the Tribunnews iOS app.

     Tribun Network is one of Indonesia’s largest media networks, with at least 26 local newspapers and millions of readers daily across its platforms.

   • MyTelkomsel

     Client: Telkomsel

     I contributed to the iOS UI design system and helped create its analytics SDK.

     MyTelkomsel reported over 83 million monthly active users in June 2025. It serves customers of Telkomsel, Indonesia’s largest mobile operator.

   • TBig

     Client: Tower Bersama Group

     I refactored Tower Bersama Group’s TBig iOS app and helped develop its new architecture. I also migrated more than 50 dependencies from CocoaPods to Swift Package Manager.

     Tower Bersama is one of Indonesia’s leading tower companies, operating over 25,000 telecommunications sites as of June 2026. At the time of my work, TBig was one of NBS’s oldest apps, and Tower Bersama Group was one of its longest-standing clients.

   • Trima+

     Client: Trimegah

     I contributed to building the iOS UI and design system for Trimegah’s Trima+ investment app.

     In 2024, Trimegah ranked 10th among Indonesia Stock Exchange members by stock trading value, averaging Rp763.2 billion in daily trades.

3. Dec 2023 — Aug 2024

   Software Engineer, iOS · Tokopedia

   Product pages and reviews: I worked on product detail pages and reviews in Tokopedia’s iOS app.

   Image loading: I helped integrate ByteDance’s image loading technology into Tokopedia’s existing image loader.

   Tokopedia’s marketplace reported more than 14 million registered merchants and reached 99% of Indonesia’s districts in 2023.

4. Jul 2023 — Sep 2023

   iOS Engineer Trainee · PT. Phincon

   E-commerce prototype: I built an iOS e-commerce prototype with UIKit, including API integration, sign-in, and local data storage, while training in iOS development.

   Phincon is an Indonesian IT consulting and services company established in 2008 and part of Phintraco Group. Its parent group reports serving over 300 corporate customers in Indonesia and overseas.

5. Jan 2021 — Apr 2023

   Unity Developer · Octagon Studio

   AR learning apps: I built, maintained, and optimized Unity apps for iOS and Android, including Animal 4D+, Dinosaur 4D+, and Space 4D+.

   SDK migration: Working with the CTO, I helped research and migrate approximately 20 apps to a different AR SDK in two weeks, reducing licensing costs from about US$1,000 to US$89 per app.

   Octagon Studio creates augmented reality learning products for an international audience. The company reports more than 10 million app downloads and products used across over 150 countries.

6. Sep 2019 — Dec 2020

   Unity Developer · Freelance

   Built AR training apps for airplane maintenance and educational quiz games.

7. Jun 2019 — Aug 2019

   Unity Developer Intern · Octagon Studio

   Space 4D+ AR/VR quiz: I worked on an AR/VR space quiz for Space 4D+, implementing a gyroscope-controlled camera so players could look around a 3D scene and select answers by pointing their phone.

Education

Computer Science at Universitas Negeri Malang, 2016–2020. GPA 3.50.

Outside work

I write my blog, develop my indie app, create games, and participate in game jams. I also enjoy trying new things that interest me.

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