jowelyn>
Jowelyn.
Building fast, accessible web apps, usually on the first try.
Frontend-focused software engineer with 6+ years shipping web and mobile products across fintech, SaaS, web3, and edtech. I build fast, accessible interfaces with React, Next.js, and TypeScript, plus cross-platform mobile apps with React Native, turning Figma designs into reusable, well-tested components wired to real backends.
01/Projects
02/Career
2023 – Present
frontiertower
Frontend Engineer
- Build and maintain the frontend across frontiertower's product suite: a consumer PWA, internal operations tools, and on-chain (web3) dashboards.
- Ship mobile-first, installable experiences with Qwik and Tailwind, focused on performance and accessibility.
- Turn Figma designs into production-grade React, Next.js, and TypeScript interfaces alongside backend and design.
2022 – 2023
ViableView
Frontend Developer
- Built a market-viability simulation tool that predicts success, profitability, and margins from diverse product and service data.
- Shipped web3 dApps for staking, lending, and borrowing, wiring the UI to smart contracts for secure transactions.
- Kept quality high with Figma-token styling and Cypress + Jest test coverage.
Feb 2022 – Jul 2022
Accenture
Salesforce Developer
- Built custom Salesforce applications with Apex, Visualforce, and Lightning Components.
- Designed REST-based integrations between Salesforce and other systems, and executed UAT test cases.
Jun 2021 – Dec 2021
Train Effective
Frontend Developer
- Built an on-demand football-training learning platform with React Native and Firebase (real-time database + auth).
- Documented reusable UI components with Storybook to keep the app consistent.
Jul 2019 – Feb 2022
98Labs
Frontend Developer
- Delivered production frontends across fintech and consumer products with React, Redux, and TypeScript.
- Built reusable, well-tested components and integrated 50+ APIs together with QA and backend teams.
- Worked across both web and cross-platform mobile (React Native) codebases.
03/Stack
›Frontend
- React
- Next.js
- Qwik
- TypeScript
- JavaScript (ES6+)
- React Native
- HTML5
- CSS3
›State & Data
- Redux Toolkit
- Zustand
- Context API
- React Query
- REST APIs
- GraphQL
- Apollo Client
›Styling & UI
- Tailwind CSS
- Material UI
- Ant Design
- Sass
- shadcn/ui
- Storybook
›Web3
- Web3
- Block Explorers
›Testing
- Jest
- Cypress
- Playwright
- Unit Testing
- E2E Testing
- Integration Testing
›Tools
- Swagger
- Node.js
- Git
- Figma
04/Contact
Let's build something.
Have a project in mind or just want to say hi? My inbox is always open.