The Role
As a Senior Frontend Developer, you will lead the development of high-performing web and mobile applications built with React and React Native. You’ll work closely with designers, backend engineers, and product owners to deliver seamless, scalable, and elegant user experiences across platforms. This role is ideal for someone who has led complex frontend projects from concept to production, thrives in a collaborative environment, and enjoys mentoring other engineers while still being hands-on with code.
Responsibilities
Responsibilities
- Lead the architecture, development, and delivery of modern web and mobile interfaces using React, React Native, TypeScript, and related technologies
- Translate product requirements and design mockups into fully functional, responsive, and maintainable UI components
- Drive technical discussions, code reviews, and architecture decisions to ensure performance, reliability, and scalability
- Collaborate cross-functionally with product, backend, and design teams to define technical approaches and timelines
- Implement best practices for state management, routing, testing, and CI/CD for frontend systems
- Own the frontend build pipeline and release process for multiple environments
- Mentor junior and mid-level developers through code reviews, pair programming, and technical guidance
- Stay current with modern frontend tools, frameworks, and best practices to continuously improve development processes
- 5+ years of professional frontend development experience, with at least 2+ years leading projects
- Expert-level proficiency in React, React Native, and TypeScript
- Strong understanding of modern JavaScript (ES6+), CSS-in-JS, and component-driven design
- Experience working in monorepo or multi-platform codebases (web + mobile shared libraries)
- Familiarity with frontend build tools (Webpack, Metro, Vite, Babel, etc.) and package managers (npm, yarn, pnpm)
- Experience integrating APIs and managing complex state (React Query, Redux Toolkit, Zustand, etc.)
- Solid understanding of mobile-specific concerns (navigation, performance, offline mode, native modules)
- Demonstrated ability to lead projects end-to-end — from architecture and planning through to QA and production deployment
- Strong communication skills and the ability to collaborate with both technical and non-technical stakeholders
- Experience with Expo, Next.js, or AWS Amplify
- Background in CI/CD pipelines (GitHub Actions, CircleCI, or similar)
- Familiarity with design systems and component libraries
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The Company
What We Do
We’re Protagona – an AWS Advanced Tier partner that helps industry leaders propel innovation with cutting-edge data solutions.
Exclusively focused on AWS, our expertise and bias for action equates to faster delivery, scalable systems, and cost-efficient outcomes for our customers. The cornerstone of our humanized delivery approach is co-innovation, ensuring your team receives as much attention as your technology.
We work with organizations of all sizes, ranging from startups to midsize organizations and Fortune 500 corporations. While our core focus is data, our expertise spans cloud acceleration, application modernization, data engineering, and DevOps & SRE
