Backend Software Engineer (m/f/d)

About this role

ABOUT CODESPHERE

Codesphere is a Virtual Cloud Provider from Germany building the future of sovereign cloud infrastructure. Our platform gives enterprises and governments full sovereignty without giving up modern cloud capability – a vision recently validated by a series of multi-million European government tenders.

Since our founding in Karlsruhe in 2020, we’ve expanded into an international team of 60+ experts. Based in Karlsruhe and Munich and backed by top-tier investors, we are chasing a bold vision.

We’re scaling fast and would love for you to join us and grow alongside us 🚀

WHAT YOU'LL DRIVE

- You own complex features end to end – from product discovery and planning through technical design, implementation, testing, and maintenance.

- You conduct code and technical design reviews, raising the bar for quality across the team.

- You mentor junior engineers and actively contribute to a culture of learning and growth.

- You shape the capabilities of our collaborative developer cloud, working on features that improve the overall platform experience – including Public API, Usage History, IAM & Permission Management, Secrets Management, external CI integrations, Web IDE, deployment technology, monitoring, managed services, and the core internals of customer application deployment.

WHAT MAKES YOU A GREAT FIT

YOUR PROFILE

- Several years of professional experience in software development, ideally in web or distributed systems

- Strong proficiency in JavaScript/TypeScript and/or Go

- Solid understanding of SQL databases, distributed systems, and the design of APIs and microservices architectures, containerization e.g. Docker, Kubernetes

- Degree in a relevant field or comparable qualification

- Strong foundations in Computer Science fundamentals

- Professional proficiency in English, written and spoken

- Strong communication skills and a collaborative mindset

- Openness to feedback and a genuine drive to keep learning

- Structured approach to problem-solving and a curiosity for technology

WHAT SETS YOU APART

- Experience with cloud infrastructure, ideally in a cloud-native environment

- Familiarity with React

- Experience building or operating monitoring and logging systems

- DevSecOps mindset and hands-on experience

WHAT'S IN IT FOR YOU

- 30+ vacation days – including Christmas Eve and New Year's Eve, adding up to 32 days per year

- Meal allowance – up to 15 digital meal vouchers per month, worth up to €7.67 each

- Flexibility – hybrid work setup with mobile work options and flexibility around core hours

- Steep learning curve – fast-moving environment, real ownership, and a front-row seat to scaling a company

- Job-Rad – lease a bike through us, tax-free

- Gym access – stay active on site (Karlsruhe office only)

- Employee events – from team offsites to regular get-togethers

- Company pension scheme – company-supported pension to set you up for later

- Great public transport links – both offices are within walking distance of tram and metro stops