Senior Backend Software Engineer (m/f/d)

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 virtual cloud provider platform, working on features that improve the overall platform experience – including Deployment-Technology, ManagedService, AuthN/AuthZ, Developer-Experience, ..

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 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 in building and/or operating cloud infrastructure components, ideally in a cloud-native environment e.g. message queues, SQL / NoSQL DBs
• Familiarity with React
• Experience building and/or operating monitoring and logging systems
• DevSecOps mindset and hands-on experience

WHAT'S IN IT FOR YOU

• 32 days of paid time off – 30 regular vacation days plus Christmas Eve and New Year's Eve off
• Meal allowance – up to 15 digital vouchers per month, adding up to over €100 net for you
• 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
• EGYM Wellpass & on-site gym – get access to thousands of sports and wellness facilities nationwide, plus our free in-house gym in Karlsruhe
• 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

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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation