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Cahyanto Setya Budi

@cahyantosetyabudi

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Senior iOS Engineer at Hungry Hub who shipped 28 production releases and cut cloud infrastructure costs by 20%.

Indonesia

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At Hungry Hub, I worked across iOS engineering and DevOps/SRE, shipping 28 production releases and reducing cloud infrastructure costs by 20%. I also designed and operated an observability stack with Prometheus, Grafana, Thanos, Fluent Bit, and Elastic APM.

As Senior iOS Engineer at Hungry Hub, I led the migration from MVC to MVVM and integrated native iOS features with a hybrid WebView architecture using JSBridge. Expanding automated tests helped lift the crash-free rate to 99% for more than 1 million users.

At Ruangguru, I built features for gamification, video playback, and live streaming, and introduced modular architecture. At Mamikos, I developed booking features and added unit tests to core booking flows.

At ChatAja, I built messaging and attachment features, bot interactions, and custom message components. I began my iOS development career at DyCode Cominfotech Development, building and shipping client mobile applications.

Experience

Work history, roles, and key accomplishments

DevOps / Site Reliability Engineer

Hungry Hub

Jan 2025 - Jul 2026 (1 year 6 months)

Designed and operated the Kubernetes observability stack, reducing cloud infrastructure costs by 20% and improving production visibility. Built CI/CD pipelines and managed Kubernetes workloads with Terraform.

Kubernetes Prometheus Grafana Thanos Fluent Bit Elastic APM GitHub Actions AWS CodeBuild AWS CodePipeline Xcode Cloud Terraform VANTAGE HPA TestFlight

Senior iOS Engineer

Hungry Hub

Dec 2022 - Dec 2024 (2 years)

Led migration from MVC to MVVM architecture and integrated hybrid WebView architecture with native iOS features. Expanded unit test coverage and lifted crash-free rate to 99% for 1M+ users.

Swift SwiftUI UIKit Combine RxSwift MVVM Modular Architectures XCTest Quick Nimble WebView JSBridge CI CD

iOS Engineer

Ruangguru

Dec 2021 - Dec 2022 (1 year)

Built features across gamification, video player, and live video streaming. Introduced modular architecture and migrated MVC to MVVM, raising code quality through reviews and discussions.

Swift UIKit MVVM Modular Architectures Code Review Gamification Video Streaming

iOS Engineer

Mamikos

Dec 2020 - Dec 2021 (1 year)

Developed and maintained booking-related features for the rental platform. Added unit tests to core booking flows and collaborated with QA and backend teams to raise release quality.

Swift UIKit Unit Testing XCTest booking systems Collaboration

iOS Engineer

ChatAja

Apr 2019 - Apr 2020 (1 year)

Built messaging and attachment features including audio, file, image, and location sharing, plus bot interactions. Implemented contact synchronization using Realm with repository-pattern architecture.

Swift UIKit Realm Repository Pattern Messaging Chat Bot Integration