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Hi, I’m Chun-Kai Chen, a software engineer specializing in mobile and web apps. I enjoy turning ideas into polished, reliable software using Flutter, Firebase, and modern architectures. I thrive in MVP-driven, Agile teams and love building scalable components. Beyond coding, I value clean design, robust testing, and global accessibility, and I enjoy collaborating with designers to ship delightful experiences.…Hi, I’m Chun-Kai Chen, a software engineer specializing in mobile and web apps. I enjoy turning ideas into polished, reliable software using Flutter, Firebase, and modern architectures. I thrive in MVP-driven, Agile teams and love building scalable components. Beyond coding, I value clean design, robust testing, and global accessibility, and I enjoy collaborating with designers to ship delightful experiences.

Chun-Kai Chen

App Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Chun-Kai Chen, a software engineer specializing in mobile and web apps. I enjoy turning ideas into polished, reliable software using Flutter, Firebase, and modern architectures. I thrive in MVP-driven, Agile teams and love building scalable components. Beyond coding, I value clean design, robust testing, and global accessibility, and I enjoy collaborating with designers to ship delightful experiences.…Hi, I’m Chun-Kai Chen, a software engineer specializing in mobile and web apps. I enjoy turning ideas into polished, reliable software using Flutter, Firebase, and modern architectures. I thrive in MVP-driven, Agile teams and love building scalable components. Beyond coding, I value clean design, robust testing, and global accessibility, and I enjoy collaborating with designers to ship delightful experiences.

Available to hire

Hi, I’m Chun-Kai Chen, a software engineer specializing in mobile and web apps. I enjoy turning ideas into polished, reliable software using Flutter, Firebase, and modern architectures. I thrive in MVP-driven, Agile teams and love building scalable components.

Beyond coding, I value clean design, robust testing, and global accessibility, and I enjoy collaborating with designers to ship delightful experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Amharic

Intermediate

Javanese

Advanced

Bashkir

Intermediate

Afar

Advanced

Work Experience

Software Engineer at Uncaught Exception Inc.

January 1, 2024 - May 1, 2026

Developed and maintained Resume Builder (39K+ reviews, 4.8⋆) and Fitness Refined, iOS&Android apps built with Flutter&Firebase in an MVP-driven agile environment. Built “Write with AI” feature using LLM prompt engineering and structured context injection to generate tailored resume content with customizable tone and smart suggestions, boosting conversion by ~10%. Implemented client-side and server-side caching, reducing GenAI API usage by ~50% and response latency by ~25%. Optimized app performance through profiling, reducing CPU usage by 30% and lowering app thermal state from serious to nominal, improving runtime efficiency and device stability. Improved crash-free user rate from ~90% to ~99% by automating unit, widget, and integration tests with GitHub Actions and integrating Firebase Crashlytics. Built Firebase backend infrastructure with Firestore, Cloud Functions, and Analytics to support user data management, A/B testing, and production monitoring across mobile apps. Archi

Software Engineer at Spurry Inc.

May 1, 2022 - September 1, 2023

Developed Python Academy, a iOS and Android coding education app, using Flutter & Firebase. Created a mobile IDE with syntax highlighting, auto-complete, auto-formatting, and customizable toolbar. Built cloud sync with Firestore, allowing users to access their code and lesson progress across devices. Implemented Google, Apple, and Email authentication with Firebase Authentication. Designed and shipped 50+ UI components in Flutter, collaborating with the design team in Figma.