Fullstack TypeScript Developer:
React/ Next.js/ Node.js
Salary: PLN 19 000 – 24 000 + VAT (B2B)

We are looking for an experienced TypeScript developer to take the lead on the development of our mobile platform and related API systems. You will join us at a pivotal moment – we are maintaining a stable production version while simultaneously rewriting the frontend to the latest tech stack.
Your impact on the project:
- Frontend modernization: Development of a new version of the platform based on Next.js 16 (with Turbopack support) and Zustand.
- Core maintenance: Working with the main repository (React 17, Redux, RxJS) and ensuring smooth performance for mobile users.
- Backend API Development: Expanding API systems (REST & GraphQL) handling chat and business logic using NestJS, Express, and Prisma.
- Infrastructure: Working in a containerized environment (Docker & Docker Compose).
Technologies used in the project:
- Front-end: React 17+, Next.js 16, TypeScript 5.9, MUI 5/7
- State Management: Redux + RxJS, Zustand + SW
- Back-end: Node.js (Express & NestJS), Prisma, PostgreSQL
- Communication: REST, GraphQL (Subscriptions), WebSockets
- Infrastructure: Node.js 24, Docker, Redis, Turborepo, Yarn (Berry)
- Testing: Jest, Enzyme, Playwright
Requirements
- Strong proficiency in TypeScript (we work on the latest versions 5.7+).
- Experience working with React and Next.js frameworks.
- Ability to write clean backend code in Node.js (knowledge of Prisma/PostgreSQL will be a significant asset).
- Knowledge of Git, yarn, and webpack.
- Proactive approach to problem-solving – you can diagnose and fix issues in existing code, as well as design efficient GraphQL functionality from scratch.
- Very good command of Polish.
What we offer
- Real impact on the architecture of the project rewrite (mobile-next)
- Work with a modern toolset (Turbopack, Vite, Turborepo)
- Life insurance
- Comprehensive private healthcare package (maximum coverage)
- Budget for training and industry events
- Mac for exclusive use
- MultiSport card
- 100% remote work option
- Flexible work schedule
Our Hiring Process
1. CV and Initial Chat
If your profile matches the knowledge and skills we need, we will contact you. Together, we will set a date for an online meeting to discuss your expectations. It will also be an opportunity for you to get to know our company better.
2. Interview with a Specialist
This meeting will cover technical topics, but don’t worry – we won’t quiz you on documentation or specific function calls. What matters most to us is your analytical thinking and problem-solving skills, as well as communication – both within the team and with clients.
3. Negotiations and Final Offer
This is the last phase of the recruitment process when we discuss the details of your contract.
We will inform you of the results after each stage. We are also happy to answer your questions at any time.
Want to join our ranks? Apply now!
Please include the following clause: I hereby consent to the processing of my personal data by Holdapp for the purpose of recruitment for the position I am applying for.











