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Hi, I'm Christian. I'm a senior software engineer building production mobile and web apps with React Native and React. I focus on fast, scalable experiences for ecommerce, fintech, and marketplaces, helping teams turn ideas into reliable, shipped software. I enjoy partnering with designers, product managers, and backend engineers to scope work, own end-to-end delivery, and raise code quality. I'm comfortable leading teams, driving CI/CD improvements, and turning pragmatic trade-offs into reliable, production-ready software.…Hi, I'm Christian. I'm a senior software engineer building production mobile and web apps with React Native and React. I focus on fast, scalable experiences for ecommerce, fintech, and marketplaces, helping teams turn ideas into reliable, shipped software. I enjoy partnering with designers, product managers, and backend engineers to scope work, own end-to-end delivery, and raise code quality. I'm comfortable leading teams, driving CI/CD improvements, and turning pragmatic trade-offs into reliable, production-ready software.

Christian Angelo Umali

Web Developer, Full Stack Developer, Front-End Developer, +2

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Hi, I'm Christian. I'm a senior software engineer building production mobile and web apps with React Native and React. I focus on fast, scalable experiences for ecommerce, fintech, and marketplaces, helping teams turn ideas into reliable, shipped software. I enjoy partnering with designers, product managers, and backend engineers to scope work, own end-to-end delivery, and raise code quality. I'm comfortable leading teams, driving CI/CD improvements, and turning pragmatic trade-offs into reliable, production-ready software.…Hi, I'm Christian. I'm a senior software engineer building production mobile and web apps with React Native and React. I focus on fast, scalable experiences for ecommerce, fintech, and marketplaces, helping teams turn ideas into reliable, shipped software. I enjoy partnering with designers, product managers, and backend engineers to scope work, own end-to-end delivery, and raise code quality. I'm comfortable leading teams, driving CI/CD improvements, and turning pragmatic trade-offs into reliable, production-ready software.

Available to hire

Hi, I’m Christian. I’m a senior software engineer building production mobile and web apps with React Native and React. I focus on fast, scalable experiences for ecommerce, fintech, and marketplaces, helping teams turn ideas into reliable, shipped software.

I enjoy partnering with designers, product managers, and backend engineers to scope work, own end-to-end delivery, and raise code quality. I’m comfortable leading teams, driving CI/CD improvements, and turning pragmatic trade-offs into reliable, production-ready software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at Blackpepper

August 1, 2022 - December 31, 2024

Shipped and maintained 6 production React Native e-commerce apps with strong performance and UX; integrated GraphQL and REST APIs backed by AWS Lambda; rebuilt release process with Fastlane and GitHub Actions, reducing release cycles from 10 days to 4 days and eliminating deployment failures across 6 production applications; partnered with design, product, and backend teams; led code reviews, refactoring efforts, and best-practice adoption to improve maintainability.

Senior Software Engineer at ZKidz Dev

August 1, 2022 - December 31, 2024

Freelance/consulting work across multiple clients; Urban.com.au (AU) led mobile development shipping 2 React Native apps and 1 web platform; FTBLRLIFE (US) led a social/video platform with real-time messaging and media; Taply (CA) architected a white-label React Native e-commerce platform serving 300+ client storefronts with a dynamic theming engine and automated Fastlane pipeline; improved client onboarding and deployment speed; owned CI/CD pipelines and delivered 15+ production apps overall.

Senior Software Engineer at ADACA/STATION FIVE

August 1, 2020 - August 1, 2022

Built 7 production products (4 mobile, 3 web) using React and React Native; Owned Android and iOS CI/CD pipelines; developed trading and market-request features with emphasis on correctness; ensured pixel-accurate UI from Figma; reduced mobile bundle size by 35% via code-splitting and tree-shaking.

Software Developer at Trends and Technologies Inc.

May 1, 2017 - September 1, 2020

Led a cross-functional team of 5 across multiple client engagements; launched 7+ production projects using React and TypeScript; designed and built REST APIs with Node.js and Express; owned end-to-end delivery from requirements through production release; mentored junior developers and enforced code quality.