Zaky Syihab · Software engineer, web

Frontend engineer building interfaces that feel effortless.

Since 2021 across travel, commerce and games. Most recently at Traveloka. Flip through the chapters, or open one to read the story.

Graduated 2022

Gadjah Mada

B.Sc. Computer Science

Where the thesis that became Kappa started.

B.Sc. Computer Science

Studied Computer Science at Gadjah Mada University and graduated in 2022. The thesis became Kappa, a cluster-based comic recommender, listed under Side projects.

What I did

Coursework in data structures, algorithms, web development, software engineering and systems design.
Built Kappa as the undergraduate thesis project.

Languages

HTMLCSSJavaScriptTypeScriptPythonBash

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Dec 2021 — Oct 2022

AccelByte

Software Engineer

Player portals and a game launcher for AAA studios. Prime and Twitch Drops for Splitgate.

Software Engineer

Frontend work for game studios: player-facing portals, a desktop game launcher, and admin tooling.

What I did

Built a customizable Player Portal and Game Launcher for AAA studios with React and Electron, including a WYSIWYG builder for studio self-service configuration.
Integrated Amazon Prime and Twitch Drops rewards for 1047 Games’ Splitgate through a customized Player Portal.
Extended the 2K Games Admin Portal, built with React and Node.js, with game configuration and content management workflows.

Stack

ReactElectronNode.js

02 / 06 · ← → to move · Esc to close

Oct 2022 — Dec 2022

Tokopedia

Software Engineer, Web Platform

An internal procurement app in React, with test coverage above 80%.

Software Engineer, Web Platform

Internal tooling on the Web Platform team, focused on asset procurement.

What I did

Built a React web application to manage internal asset procurement.
Wrote unit and integration tests for each product.
Tracked user events for analytics to give insight into usage patterns.

Outcome

Test coverage above 80% on each product.

Stack

ReactUnit testsIntegration testsAnalytics events

03 / 06 · ← → to move · Esc to close

Dec 2022 — Sep 2023

Ralali

Frontend Engineer

Real-time chat for Ralali Tender, a design token system, and 97%+ unit test coverage on the marketplace.

Frontend Engineer

Frontend for the Ralali B2B marketplace, on both mobile and desktop web.

What I did

Built real-time chat for the B2B tender platform with the Sendbird SDK on Next.js, React and TypeScript, so buyers and suppliers talk directly.
Refactored core UI components around a design token system with strict TypeScript types, ending silent styling failures and keeping the marketplace consistent.
Migrated feature flags from LaunchDarkly to PostHog through an adapter pattern, with no production regressions.
Reached 97%+ unit test coverage across core marketplace modules, making refactors safer and reviews faster.

Outcome

97%+ unit test coverage on core modules.

Stack

Next.jsReactTypeScriptSendbirdPostHog

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Sep 2023 — Mar 2026

Traveloka

Software Engineer, Web

SEO V2, CI failure alerts for 60+ engineers, and debugging tools used across Flight, SEO and QA.

Software Engineer, Web

Web Platform: SEO infrastructure, developer tooling and observability.

What I did

Designed and shipped SEO V2: one configuration-driven system replacing fragmented SEO logic across 8 landing pages.
Built a GitHub-to-Lark CI failure notifier for the Web monorepo, alerting 60+ engineers across 8 teams and cutting failure detection from hours to minutes.
Developed an on-call summarization bot that writes structured tickets and incident notes, adopted by teams beyond Web Platform.
Implemented Visual Trace ID across Flight’s Web, iOS and Android (27 engineers), adopted by Mobile and Backend teams.
Integrated with Datadog to unify correlation and speed up cross-service debugging.
Built internal debugging devtools for Flight, SEO and QA (~30 engineers) with unified trace views and automated log correlation.
Tracked feature flags in Datadog RUM, so stale flags get cleaned up and releases link to performance regressions.

Outcome

Page revamps cut from ~2–3 weeks to ~3–7 days.

Areas

SEOCI toolingObservabilityDatadogFeature flags

05 / 06 · ← → to move · Esc to close

What’s next

Open to talk

The next one is not written yet. Tell me what you are building.

Open to talk

If you are building something on the web and need a frontend engineer, I would like to hear about it.

Say hello ↓

Good fit for

FrontendInternal toolsDeveloper experience

06 / 06 · ← → to move · Esc to close

Zaky Syihab · Software engineer, web

Frontend engineer building interfaces that feel effortless.

Since 2021 across travel, commerce and games. Most recently at Traveloka.

Graduated 2022

Gadjah Mada

B.Sc. Computer Science

Computer Science at Gadjah Mada University. The thesis became Kappa.

B.Sc. Computer Science

Context

Studied Computer Science at Gadjah Mada University and graduated in 2022. The thesis became Kappa, a cluster-based comic recommender, listed under Side projects.

What I did

Coursework in data structures, algorithms, web development, software engineering and systems design.
Built Kappa as the undergraduate thesis project.

Languages

HTMLCSSJavaScriptTypeScriptPythonBash

Dec 2021 — Oct 2022

AccelByte

Software Engineer

Player portals and a game launcher for AAA studios.

Oct 2022 — Dec 2022

Tokopedia

Web Platform

An internal procurement app, tested above 80% coverage.

Dec 2022 — Sep 2023

Ralali

Frontend Engineer

Real-time tender chat, design tokens and 97%+ test coverage.

Sep 2023 — Mar 2026

Traveloka

Software Engineer, Web

SEO platform, CI alerts and debugging tools.

What’s next

Open to talk

Building something on the web? I would like to hear about it.

Side projects

Three things I built outside work. Pick one to read how it came together.

01 · Comic recommenderKappa

Live site ↗Source

01 · Comic recommender

Kappa

ReactFlaskTailwindCSSDockerViteTypeScript

What it is: A cluster-based comic recommender. Rate a few comics and it suggests others that readers with similar taste rated well.
Why it exists: My undergraduate thesis at Gadjah Mada University, 2022.
What I built: A React and TailwindCSS frontend on top of a Flask REST backend, packaged with Docker.
2025 update: In July 2025 I modernized it in one night with Claude Code: Create React App to Vite, JavaScript to TypeScript, and a new UI layer with shadcn/ui.

Built outside work · swipe

Side projects

Kappa

01 / 03

What it is: A cluster-based comic recommender. Rate a few comics and it suggests others that readers with similar taste rated well.
Why it exists: My undergraduate thesis at Gadjah Mada University, 2022.
What I built: A React and TailwindCSS frontend on top of a Flask REST backend, packaged with Docker.
2025 update: In July 2025 I modernized it in one night with Claude Code: Create React App to Vite, JavaScript to TypeScript, and a new UI layer with shadcn/ui.

ReactFlaskTailwindCSSDockerViteTypeScript

Live site ↗Source

AniCo

02 / 03

What it is: A web app to keep track of your favorite anime and group them into collections.
Why it exists: I wanted one place to track what I was watching and what was next, and a real project to learn GraphQL and Apollo Client on.
What I built: A TypeScript React app that reads the AniList GraphQL API through Apollo Client, styled with Emotion.

ReactTypeScriptGraphQLApollo ClientEmotion

Live site ↗Source

Billbuddy

03 / 03

What it is: Turns a credit card bill into an organized table and a downloadable CSV, with help from AI.
Why it exists: Reading credit card bills line by line to track spending was tedious. I wanted to drop in a bill and get a spreadsheet back.
What I built: A Next.js app with a REST layer that sends bills to OpenAI for parsing, with a TailwindCSS interface.

Next.jsRESTTailwindCSSOpenAI

Live site ↗Source

Writing

4 posts

Mar 04, 2026Remote coding from my phone: OpenCode Web via Tailscale6 min Jul 24, 2025Overnight modernization: how Claude Code transformed my 3-year-old React app7 min Jul 15, 2025Building Catspense: from idea to architecture6 min Jul 14, 2025Starting my developer journey: time to build and stay consistent2 min

Notes, built in the open

Writing

MAR 04, 2026 · 6 min readRemote coding from my phone: OpenCode Web via TailscaleI set up OpenCode's web interface on my VPS and made it reachable from my phone over Tailscale. One systemd service, zero complexity.JUL 24, 2025 · 7 min readOvernight modernization: how Claude Code transformed my 3-year-old React appI used Claude Code to modernize my undergraduate thesis project in one night: CRA to Vite, JavaScript to TypeScript, and a new UI layer with shadcn/ui.JUL 15, 2025 · 6 min readBuilding Catspense: from idea to architectureDesign decisions, tech stack choices, and architecture planning for Catspense, an open-source expense tracker with a plugin system.JUL 14, 2025 · 2 min readStarting my developer journey: time to build and stay consistentFirst post. Why I'm starting this blog, what I'm building next, and an honest admission about consistency.

Frontend engineer building interfaces that feel effortless.

Career chapters

Gadjah Mada

AccelByte

Tokopedia

Ralali

Traveloka

What’s next

Frontend engineer building interfaces that feel effortless.

Gadjah Mada

AccelByte

Tokopedia

Ralali

Traveloka

What’s next

Side projects

Kappa

Side projects

Kappa

AniCo

Billbuddy

Writing

Writing