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Offer summary
(Summary generated by AI based on the full job description)
The project involves building and maintaining MNO translation adapters within the CMP Integration Layer, with secondary focus on a React.js management dashboard. Key technologies include Node.js, React.js, Azure, AWS, Docker, Kubernetes, Gitlab CI/CD and REST, SOAP, Webhook patterns. Responsibilities cover API design, backend development, CI/CD ownership and participation in 24/7 on-call rotation. Work is carried out in a DevOps environment focusing on greenfield engineering without legacy constraints.
T Hub - Senior Fullstack Developer - Backend-Heavy (Node.js/& React)
Company: T-Mobile
from: 1 September 2026
to: 1 October 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:senior
working mode:hybrid
Warszawa, Mokotów
Requirements
Operating system
Windows
macOS
Linux
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.
T Hub is a dynamic, forward‑thinking initiative where technology matters! We serve as the core of innovation within our organization. It’s a place where best talents converge to ideate, prototype, and implement cutting‑edge solutions in international projects held in Deutsche Telekom Group.
At T Hub, you don’t have to choose between big‑tech, software house or startup, between home office or office work, telco or IT, local or international teams – the answer is always YES.
What’s next? Find yourself a super position → Apply → Talk with us → Find yourself in a superposition!
DT IoT is recognized for its leadership in managed IoT services, leveraging a robust IoT platform to provide innovative and scalable solutions for varying customer requirements.
The Packet Core domain of DT IoT focuses on delivering secure, effective and future‑proof connectivity solutions as well as managing complex international IoT ecosystems. The team is responsible for planning, developing and deploying advanced network strategies and customer solutions supporting IoT services, including cloudification and automation. Strong emphasis is also placed on risk management to prevent and minimize potential risks in networks and customer solutions.
This role operates in a DevOps-style environment.
What we offer
- Employment contract
- Additional day off on the occasion of birthdays/namedays
- Medical package and life insurance
- Benefit platform - you choose what you benefit from
- Access to training platforms to improve your knowledge
- I know Talent - training or money for referring friends to work 😊!
- Besides, with us you can count on access to our products and services at preferential terms and benefits, which you will read about below
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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