KONG KING SIN
Tech Lead | Cloud Architect | Microservices Expert | Technologist
Driving digital transformation with a focus on scalable architectures and impactful technology.
Contact Me
Tech Lead | Cloud Architect | Microservices Expert | Technologist
Driving digital transformation with a focus on scalable architectures and impactful technology.
Contact Me
Results-driven Tech Lead and Cloud Architect with 15+ years of progressive experience in solution architecture, cloud adoption, and enterprise-scale transformations in Financial Services and Technology. Expertise in crafting architecture blueprints, governance frameworks, and multi-cloud strategies (AWS & Azure) to align technology with business outcomes. Proven leader in guiding cross-functional teams, influencing stakeholders and architecture committees, and delivering secure, scalable, event-driven solutions. Fluent in English and Cantonese, with deep exposure to FSI, DevSecOps, fintech platforms, and high-stakes payments ecosystems.
Senior Software Engineer
Revamped the entire mobile ecosystem using React Native and AWS cloud backends, implementing a clean and scalable architecture. Designed the Redux + Saga core architecture to establish a reusable business logic framework. Delivered a mobile design library that improved UI consistency across platforms, reducing development time by 30%.
Tech Lead
Led the enablement of automation experience by initiating and guiding the development of a release risk assessment review process powered by Generative AI, reducing manual work by 50%.
Tech Lead
03/2023 – Present | Hong Kong
Led cross-functional teams, architected event-driven microservices, orchestrated UnionPay integration, managed containerized workloads (AWS EKS, Azure AKS), and mentored developers. Focused on secure, scalable software delivery and cloud infrastructure governance.
Head of Mobile
04/2022 – 03/2023 | Hong Kong
Owned mobile architecture strategy and governance, led product teams (10-20 people), and managed engineering leads. Championed reusable components, DevOps practices for mobile SDLC automation, and improved engineering maturity.
Lead iOS Engineer
01/2020 – 04/2022 | Hong Kong
Partnered with solution architects on mobile service blueprints, delivered secure and scalable architectures with strong governance, and drove event-driven API design.
Senior Software Engineer
01/2017 – 12/2019
Revamped mobile ecosystem with React Native and AWS, designed Redux + Saga architecture, and delivered a mobile design library that reduced development time by 30%.
BSc (Hons), Creative Media
City University of Hong Kong
Have a project in mind, a challenging problem to solve, or just want to connect? Feel free to reach out!