Middle Frontend Developer (React) — PWA

Компания "Научсофт"

Nauchsoft is an IT consulting and software development company with 36 years of experience and a team of 770+ professionals and continuing to grow.

We are looking for a Middle Frontend Developer to build a Progressive Web App (PWA). The role focuses on developing a modern web application with a strong emphasis on performance, reliability, and user experience.

• Hands-on experience building production-grade PWA (Service Workers, caching strategies, offline mode, updаtеlifecycle) - for further consideration of your CV, please include information about your experience with PWA in your cover letter. Candidates without experience with PWA will not be considered!!!

• Strong JavaScript (ES6+) and TypeScript.

• Hands-on experience with React in production projects.

• Solid HTML/CSS, including responsive layout and media queries.

• Experience with forms and validation (e.g., React Hook Form, Zod/Yup).

• State management experience (e.g., Redux / Zustand / MobX).

• Experience with build tools: Webpack and/or Vite.

• Understanding of SSR basics / Next.js fundamentals (or similar concepts).

• Experience supporting legacy code and participating in migrations.

• Unit & integration testing experience.

• Team workflows: Git branching, PRs/code review, CI basics.

• Containerization fundamentals: Docker / Docker Compose.

• English level: B1+.

• Advanced PWA features (push notifications, background sync).

• Performance optimization experience (Core Web Vitals, bundle optimization).

• Experience with monitoring/logging for frontend apps.

• Develop and maintain a React-based PWA (feature development + ongoing improvements).

• Implement responsive UI and ensure cross-browser compatibility.

• Work with forms and data validation, integrate with APIs.

• Collaborate with the team through code reviews, planning, and delivery routines.

• Maintain and improve existing codebase, support refactoring/migrations when needed.

• Write unit and integration tests for key flows.

• Participate in CI workflows and ensure stable builds.

• Opportunity for professional self-realization and growth.
• 25-days of paid vacation.
• Medical insurance and 100% payment for sick leave.
• Professional training and obtaining certificates at the company's expense.
• Foreign language courses and other corporate programs.
• A variety of corporate events.
• Bonuses in case of wedding or a child’s birth.

This role is prospective and has been created in line with the company’s planned team expansion.