Senior Backend Developer (m/f/d)

Build the tech behind next-gen product cost & CO₂ intelligence

Tset is redefining how the manufacturing industry approaches cost and sustainability. Our software empowers engineers to make smarter, greener, and more cost-efficient decisions—from development through production to procurement.

We’re trusted by global players likeBMW Group, Brose, and Stabilus, and we’re scaling fast across Europe, North America, and Asia.

If you're passionate about building meaningful software that drives real-world impact and you want to shape the backend of a product with a clear purpose,join us.

What you’ll do

• Own and build the backend of our core software, shaping how engineers work tomorrow

• Collaborate in a cross-functional feature team (Product, Frontend, Customer Success)

• Deliver features and improvements that are aligned with strategic company goals

• Dive into a variety of backend challenges—from architecture to performance tuning

• Be part of a knowledge-sharing engineering culture, driven by curiosity and high standards

What we’re looking for

• 5+ years of backend development experience withJava, Kotlin, Spring, or similar

• Solid knowledge ofrelational databases and backend system design

• Deep familiarity with theSpring framework

• Curiosity for new tech in theJVM ecosystem and modern software architecture

• A structured, analytical mindset with a pragmatic hands-on attitude

• Proficiency in English for clear collaboration in an international team

What we offer

• Ahigh-impact role in a product-driven company that’s scaling fast

• Flat hierarchies and room to shape the product and engineering culture

• Hybrid work setup with flexible home office options

• Team lunches, coffee/snacks, fun team events—and optionalGerman language classes

• Extra vacation days: your birthday, Christmas, Easter, and (in Austria) all bridge days (Fenstertage)

• A diverse, international team of about 70 experts from software, math, and different industries

• Salary: The minimum gross salary is€65,000 per year, with actual compensation based on your skills and experience.

Want to join a team that builds smart tech for a sustainable future?
We’re excited to hear from you.