Staff iOS Engineer
📍 Singapore
Singapore-based iOS Engineer with 8+ years of experience delivering scalable, high-quality mobile apps using Swift, SwiftUI, Combine, and architectures like Clean, MVVM, TCA. Strong track record of owning features end-to-end. Skilled in Web3/blockchain development, DeFi, and wallet SDKs. Also explores fullstack projects using TypeScript, React, Node.js, and integrations like Supabase, Stripe, and OpenAI APIs.
OKX
May 2024 — Present
Representative from tech and business sides of the DeFi/Wallet team for the OKX iOS app. Owns, leads, estimates, and delivers features for product management and C-level executives. Increased TVL by ~12%, led migration of DeFi module to Clean architecture, resolved critical P0 security breach, achieved 30% E2E test coverage, improved unit test coverage from 72% to 94%, and increased WalletConnect integration stability from 63% to 88%.
WalletConnect
Dec 2022 — Feb 2024
Led development of the WalletConnect Web3Wallet SDK for iOS. Implemented Ethereum proposals, reduced SDK release time by 40% via CI/CD pipelines, supported 300+ developer teams, resolved 50+ technical issues, and achieved 90%+ unit test coverage.
PointPay (Crypto Exchange)
Jun 2021 — Nov 2022
Led SwiftUI migration, modularization, and TCA adoption for a crypto exchange platform. Established CI/CD pipelines, integrated GraphQL APIs, and improved architecture for scalability and maintainability.
Reface
May 2020 — May 2021
Developed and launched new features for the Reface app. Improved conversion rate by porting remote ML model on-device using CoreML. Enhanced application architecture and automated deployment processes.
home24 SE
Sept 2018 — May 2020
Improved iOS development infrastructure, helped raise App Store rating from 2.7 to 4.7, and spearheaded development of an AR feature that led to higher conversion rates.
Ciklum & Intellica Group
Sept 2015 — Aug 2018
Developed and maintained B2B SDKs (Backend-as-a-Service, Registration-as-a-Service) for Apple and Android. Expanded product presence by porting iOS functionality to tvOS, macOS, and watchOS. Supported large client integrations.
BSc · Computer Science
2013 – 2018