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Offer summary
(Summary generated by AI based on the full job description)
The project involves greenfield development of CMP integration layer with a core focus on building and maintaining MNO translation adapters. The role requires Node.js, React.js, Azure and AWS skills plus knowledge of REST, SOAP, Webhooks. Responsibilities include backend API design, React dashboard development, CI/CD pipeline management, and participation in 24/7 on-call rotation. Offered benefits include medical package, life insurance, training platforms, flexible work model, and various perks.
from: 25 June 2026
to: 25 July 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:mid • senior
working mode:hybrid
Warszawa, Mokotów
Requirements
Expected technologies
Node.js
Operating system
Windows
Our requirements
- 5+ years of experience with Node.js
- Solid experience in React.js (Hooks, Context, State Management)
- Cloud Native: Hands-on experience with Azure and/or AWS
- Strong understanding of REST, SOAP, and Webhook patterns
- DevOps Mindset: Experience with Docker, Kubernetes, Gitlab CI/CD and automated testing.
- Experience with Azure Functions, Service Bus, or Event Grid and familiarity with OIDC / OAuth2 flows is a plus
Your responsibilities
- Build and maintain the MNO translation adapters.
- Design and implement backend API contracts for the integration layer
- Contribute to the React management dashboard (secondary)
- Own the CI/CD pipeline for your own services within the team's GitOps framework
- Participate in the weekly 24/7 on-call rotation (approx. 1 week in 7)
About the project
You are a backend-first engineer who is equally comfortable in the frontend. You will own the core of our CMP Integration Layer - building and maintaining the MNO translation adapters that are the heart of our platform, with React work on the management dashboard as your secondary focus. This is greenfield engineering. Every adapter, every contract, every pattern - you build it right from the start, with no legacy debt slowing you down.
What we offer
- Stable employment based on employment contract.
- Medical package and life insurance.
- Access to training platforms – Percipio, Coursera, Rodos.
- Benefit platform – you choose what you want to use.
- Additional day off for your birthday/nameday.
- Free parking space.
- Flexible home/office work model.
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of foreign language classes
- sharing the costs of professional training & courses
- life insurance
- flexible working time
- corporate products and services at discounted prices
- integration events
- mobile phone available for private use
- no dress code
- parking space for employees
- extra social benefits
- sharing the costs of tickets to the movies, theater
- holiday funds
- birthday celebration
- sharing the costs of a streaming platform subscription
- employee referral program
- charity initiatives
- extra leave
- Benefit Platform
Recruitment stages
- 1.Let’s meet to better understand each other's expectations.
- 2.Hiring Manager will receive your application after meeting.
- 3.Technical meetings with the Hiring Manager and/or team.
- 4.Time to decide!
T-Mobile
Working at T-Mobile’s T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, T-Mobile not only provides a platform to hone your technical skills but also empowers you to be a catalyst for innovation. You'll have the opportunity to work at the forefront of cutting-edge technologies, from 5G to IoT and AI, shaping the future of connectivity. Our commitment to fostering a diverse and inclusive workplace means you'll collaborate with a wide range of talented professionals, learning and growing together. T-Mobile encourages a culture of continuous learning and development, offering mentorship and support to help you thrive in your career.
This is how we work
T Hub - Senior Fullstack Developer - Backend-Heavy (Node.js/& React)
I apply to:
T-Mobile
Warszawa, Mokotów
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