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Senior Fullstack Developer (m/f/d)

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The job - at a glance

Who we are

We are a truly international team and proud to play a central role in securing the electricity supply for Europe. As one of the leading Regional Coordination Centre (RCC), we and our partners, provide integrated services to 16 electricity transmission system operators (TSOs) and their control centers in 12 ​European countries. Our network security assessment and capacity calculation procedures, play an incremental role in securing the operational security of the European power system every hour of the day, around the clock.

Working with us

We are a smart and highly skilled bunch of people from more than 35 countries: In our team, we don't just pay lip service to diversity – we live it every day. What unites us, is the real motivation to develop and contribute to new ways and new standards for a secure energy supply in Europe. We actively work with our culture and use our company behaviours as compass for our performance.

Build the foundation of our future application landscape.
We are building up our in-house software development from the ground up - modern, cloud-ready, API-driven, and designed for long-term maintainability. If you're an experienced senior developer who loves shaping architectures, mentoring teams, and making things work beautifully, this is your chance to join at the very beginning of an exciting journey.
You will make a lasting technical and cultural impact.

We don't just offer a great job - also great benefits

We strive to provide TSCNET employees with an inspiring benefits experience, focused on supporting their physical, financial, and emotional wellbeing.

Financials & Personnel Development

Flexibility & Family

Health & Wellbeing

We don’t just offer a great job – also great benefits

We don’t just offer a great job – also great benefits 
  • A competitive salary package with performance-based pay and attractive compensation for contributions to the retirement scheme 
  • Financial and practical relocation assistance for employees from abroad to help them get started in Germany. 
  • Individual development and training plans with dedicated budget 
  • We prioritize health:  A positive working environment, 24/7 hotline for enhanced mental health, bike leasing, coffee & tea and fresh fruit 
  • Plenty of staff events throughout the year 
  • Work-life balance through flexible working hours and hybrid working models  
  • Work from anywhere: Worldwide ‘Workation’ for up to 4 weeks a year 

This is what your day will look like

  • Develop and maintain both frontend and backend components of our applications
  • Design end-to-end technical solutions based on business requirements
  • Work across the full software development lifecycle - from design to production
  • Ensure smooth integration between systems, services, and UI layers
  • Collaborate closer with product owners, architects, business analysts and engineers
  • Support deployment, troubleshooting and production operations

You come with

  • Bachelor's or Master's degree in Computer Science / Software Engineering
  • 5+ years proven experience in fullstack development
  • 3+ years strong backend experience (at least Java / Java EE, Python)
  • Solid knowledge of PostgreSQL and relational DB design  
  • Proficiency in modern backend and frontend framework(s)
  • Strong grasp of APIs, databases, and web technologies (React / Angular)
  • Practical experience with Git, CI/CD, Agile practices, and build automation tools (Maven, Gradle) and IaaC (e.g. Ansible, Terraform, Helm...)
  • A problem-solving mindset and holistic technical understanding
  • Experience in TDD (Test-Driven Development), understanding of SOLID principles, and clean code development
  • Ability to mentor junior developers and perform code reviews
  • Technical leadership skills, with proven experience in advising dev teams
  • Strong expertise in modern, cloud-native, and microservice architectures
  • A track record of designing and implementing maintainable, scalable, service-oriented future-proof systems
  • Motivation and enthusiasm to set up and work with modern software development methods, thus making cultural impact - shaping how we build software for the next decade

Why Join Us?

At TSCNET, we play a critical role in ensuring a stable and secure energy grid in Europe. Together with our other RCC partners, by managing grid capacities and coordinating preventive measures, we’re actively making the energy transition possible.

What makes working with us special?

We offer a dynamic, collaborative environment where you’ll be part of a global international team—with over 40 nationalities and counting! Our work in the RCC sector is diverse, requiring a unique combination of expertise, and we’re always on the lookout for passionate professionals who take their work seriously.

If you’re seeking a chance to grow both personally and professionally—while also making lasting connections with your colleagues—this is the place for you.

What are you waiting for?

Follow your aspirations and explore our exciting job opportunities and become part of something remarkable!

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or would you require relocation support?

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