Senior React Frontend Engineer — Greenfield

Sourceangel; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Flexibility in work location

Competitive salary package

Medical insurance

Office in Warsaw

Job summary

Source Angel is building a greenfield frontend platform for a multinational automotive SaaS product. You will join a core product team to rebuild with modern frontend technologies and AI-first development principles.

You will work with React 18+, Tailwind or Material-UI, and state management tools while collaborating with backend, design and product teams to deliver scalable and performant user experiences. The role offers growth in a global, people-first culture.

Qualifications

• 5+ years of frontend development experience.
• Strong understanding of component-based architecture and frontend design patterns.
• Proficiency with TypeScript, React, and state management (Redux, Zustand, Recoil).
• Experience with REST/GraphQL integrations and API-driven applications.
• Good understanding of UX principles and responsive design.

Responsibilities

• Develop and maintain modern, high-performance web apps using React 18+.
• Design reusable UI components and responsive layouts with React, Tailwind, or Material-UI.
• Collaborate with backend, design and product teams to deliver seamless UX.
• Implement state management and optimize frontend performance.
• Integrate REST and GraphQL APIs and handle complex data flows.

Skills

Frontend development

React

TypeScript

REST/GraphQL

UI/UX

Tools

Docker

Kubernetes

CI/CD (GitHub Actions/GitLab)

Job description

Source Angel is building a greenfield frontend platform for a multinational automotive SaaS product. You will join a core product team to rebuild with modern frontend technologies and AI-first development principles.

You will work with React 18+, Tailwind or Material-UI, and state management tools while collaborating with backend, design and product teams to deliver scalable and performant user experiences. The role offers growth in a global, people-first culture.