CHUK YIH JOU
SENIOR SOFTWARE ENGINEER
Singapore
Summary
Versatile and driven software engineer with a proven track record of building high-performance, scalable systems across government, gaming, and tech domains. Adept at full-stack development, cloud architecture, DevOps, and machine learning. Known for leading teams, improving system performance, and delivering user-centric solutions. Passionate about continuous learning, clean architecture, and creating products that make a real-world impact.
Overview
9
9
years of professional experience
3
3
years of post-secondary education
3
3
Languages
Work History
Senior Software Engineer / Tech Lead
GovTech
03.2021 - Current
- Company Overview: Government Technology Agency, Singapore
- Led a high-performing team of 5 engineers in the end-to-end design and architecture of scalable RESTful APIs using Node.js and TypeScript, driving major improvements in system efficiency, maintainability, and performance.
- Architected and maintained robust backend infrastructure on cloud platforms (AWS EC2, DynamoDB, Redshift), with databases including PostgreSQL and Redis, ensuring high availability, reliability, and security for government services.
- Championed backend performance optimization initiatives, reducing API response times significantly through code refactoring, caching strategies, and simplified API interfaces — resulting in faster frontend integration and improved user experience.
- Owned and enhanced a mission-critical ReactJS dashboard using TypeScript, leading to improved analytics visibility, higher user engagement, and actionable insights for internal stakeholders.
- Implemented DevOps best practices including CI/CD pipelines and test-driven development, cutting deployment errors by half and reducing delivery cycles by over 50%.
- Enhanced software functionality by identifying and resolving complex technical issues.
- Mentored junior developers, fostering professional growth and enhancing team productivity.
- Managed multiple projects simultaneously while maintaining strict deadlines and high-quality standards.
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
Co-Founder, Director
Frivolition
06.2019 - Current
- Founded and managed the company, overseeing day-to-day operations, implementing strategic policies, and ensuring robust documentation and compliance — driving long-term growth and operational excellence.
- Led game design and development strategy for our flagship title, ‘Days Bygone’, playing a pivotal role in shaping the game's vision, mechanics, and long-term sustainability within a growing player community.
- Designed and implemented global RESTful APIs and backend architecture to support live game features and scalable gameplay data, ensuring high performance and low latency across international users.
- Utilized AWS Lambda (serverless), EC2, Redis, and PostgreSQL to deploy and manage core game services — setting up monitoring tools to ensure uptime and performance reliability.
- Proactively optimized backend performance, simplified API interactions, and improved server logic to enhance game responsiveness and maintain smooth gameplay experiences.
- Worked closely with Unity Frontend Engineers, leading the successful porting of the game to iOS, ensuring platform-specific optimization and seamless user experience across devices.
- Established frontend testing environment using Unity Test Runner, enabling fast feedback cycles, catching regressions early, and improving game stability.
- Developed and deployed the company website using React.js and Next.js, serving as a central hub for marketing, updates, and community engagement.
Full Stack Engineer
WeWork
06.2018 - 06.2019
- Designed and developed an interactive floorplan visualization library using WebGL, Three.js, and JavaScript, enabling real-time 3D navigation and significantly enhancing user interaction and spatial understanding.
- Led the architecture and planning of a high-performance rendering engine, optimizing core rendering logic and boosting performance and efficiency across multiple environments.
- Practiced Test-Driven Development (TDD) by implementing unit and visual regression tests using Jest and Puppeteer (screenshot-based testing), ensuring stability and visual accuracy of UI components.
- Implemented DevOps practices by setting up CircleCI pipelines, automating testing and deployments to accelerate release cycles and maintain code quality at scale.
- Built a prototype people-counting system using OpenCV, machine learning, and real-time camera input to detect and count occupants in a physical space — supporting smart office initiatives.
- Integrated critical observability and analytics tools such as Segment, New Relic, and Rollbar into the frontend to improve monitoring, performance tracking, and error reporting.
- Created a dynamic slideshow web app using ReactJS, enabling animated transitions between slide content and deploying seamlessly to AWS S3 for internal use.
- Developed internal ReactJS tools to manage and monitor office occupancy status, improving space utilization and real-time visibility for workplace management.
Full Stack Engineer
NEC APAC
09.2017 - 05.2018
- Designed and developed a full-featured ChatBot web application tailored for use by government agencies, delivering responsive user interactions and intelligent automation for public-facing services.
- Set up and maintained Linux CentOS deployment servers, managing production-ready environments with a focus on security, reliability, and scalability.
- Built and deployed web infrastructure, including Nginx web server, backend HTTP API services using Node.js and Python, and managed data persistence with MariaDB and MongoDB.
- Developed an intuitive chatbot frontend UI using ReactJS and Redux, ensuring seamless user experience and real-time chat interactions.
- Self-taught and implemented Natural Language Understanding (NLU) for chatbot intelligence using TensorFlow, Rasa NLU, and Rasa Core, enabling contextual understanding and personalized responses.
- Adopted DevOps practices, containerizing the entire system using Docker to streamline development workflows, reduce environment inconsistencies, and improve deployment frequency.
- Worked across the full stack—from infrastructure to ML/NLP—demonstrating strong self-learning, adaptability, and ownership of complex, cross-functional systems.
R&D Software Engineer
NEC APAC
03.2017 - 09.2017
- Research and develop various technology trends such as Drone, IoT, Artificial Intelligence, and Blockchain
- Hack and control Parrot Bebop 2 drone by using the Robot Operating System (ROS) driver ->ebop_autonomy on Ubuntu Linux
- Implement object/face detection for drones using OpenCV
- Python and C++
- Building a chatbot using DialogFlow
- Implement chatbot frontend using javascript and jquery
- Then deploy it to Google App Engine python
- Solely assist the designer to develop Hololens simulation applications using Unity3D
- Implemented basic camera, simple physics, and graphics framework for the designer
- Reduced development cycles and improved deployment frequency
Gameplay Programmer
Infinity Soft JP
06.2016 - 09.2016
- Implemented a particle rendering system, built UI tools to easily generate/design the particle effects
- Tested and improved documentation for the in-house c++ game engine
Education
Diploma - Game Development & Technology
Nanyang Polytechnic
05.2014 - 05.2017
Skills
Software development
undefinedAwards
- Admitted to Director's List, 12/01/14
- Admitted to Director's List, 08/01/16
- Playstation Game Development Training certificate of completion
- Diploma Plus successfully completed of 'Entrepreneurship In Integrated Media' module
Timeline
Senior Software Engineer / Tech Lead
GovTech
03.2021 - Current
Co-Founder, Director
Frivolition
06.2019 - Current
Full Stack Engineer
WeWork
06.2018 - 06.2019
Full Stack Engineer
NEC APAC
09.2017 - 05.2018
R&D Software Engineer
NEC APAC
03.2017 - 09.2017
Gameplay Programmer
Infinity Soft JP
06.2016 - 09.2016
Diploma - Game Development & Technology
Nanyang Polytechnic
05.2014 - 05.2017
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