Skip to main content
Back to jobs

Senior Backend Software Engineer (m/f/d)

Codesphere

Karlsruhe 9/21/2026 Full Time
Apply on source ↗ Save

<h2>About Codesphere</h2><p style="min-height:1.5em">Codesphere is a <em>Virtual Cloud Provider</em> 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.</p><p style="min-height:1.5em">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.</p><p style="min-height:1.5em"><strong>We’re scaling fast and would love for you to join us and grow alongside us 🚀</strong></p><p style="min-height:1.5em"></p><h2>What you'll drive</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You own complex features end to end – from product discovery and planning through technical design, implementation, testing, and maintenance.</p></li><li><p style="min-height:1.5em">You conduct code and technical design reviews, raising the bar for quality across the team.</p></li><li><p style="min-height:1.5em">You mentor junior engineers and actively contribute to a culture of learning and growth.</p></li><li><p style="min-height:1.5em">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, ..</p></li></ul><p style="min-height:1.5em"></p><h2>What makes you a great fit</h2><p style="min-height:1.5em"></p><h3>Your Profile</h3><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Several years of professional experience in software development, ideally in web or distributed systems</p></li><li><p style="min-height:1.5em">Strong proficiency in TypeScript and/or Go</p></li><li><p style="min-height:1.5em">Solid understanding of SQL databases, distributed systems, and the design of APIs and microservices architectures, containerization e.g. Docker, Kubernetes </p></li><li><p style="min-height:1.5em">Degree in a relevant field or comparable qualification</p></li><li><p style="min-height:1.5em">Strong foundations in Computer Science fundamentals</p></li><li><p style="min-height:1.5em">Professional proficiency in English, written and spoken</p></li><li><p style="min-height:1.5em">Strong communication skills and a collaborative mindset</p></li><li><p style="min-height:1.5em">Openness to feedback and a genuine drive to keep learning</p></li><li><p style="min-height:1.5em">Structured approach to problem-solving and a curiosity for technology</p></li></ul><h3>What sets you apart</h3><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience in building and/or operating cloud infrastructure components, ideally in a cloud-native environment e.g. message queues, SQL / NoSQL DBs</p></li><li><p style="min-height:1.5em">Familiarity with React</p></li><li><p style="min-height:1.5em">Experience building and/or operating monitoring and logging systems</p></li><li><p style="min-height:1.5em">DevSecOps mindset and hands-on experience</p></li></ul><p style="min-height:1.5em"></p><h2>What's in it for you</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">32 days of paid time off – <em>30 regular vacation days plus Christmas Eve and New Year's Eve off</em></p></li><li><p style="min-height:1.5em">Meal allowance – <em>up to 15 digital vouchers per month, adding up to over €100 net for you</em></p></li><li><p style="min-height:1.5em">Flexibility – <em>hybrid work setup with mobile work options and flexibility around core hours</em></p></li><li><p style="min-height:1.5em">Steep learning curve – <em>fast-moving environment, real ownership, and a front-row seat to scaling a company</em></p></li><li><p style="min-height:1.5em">Job-Rad – <em>lease a bike through us, tax-free</em></p></li><li><p style="min-height:1.5em">Gym access – <em>stay active on site (Karlsruhe office only)</em></p></li><li><p style="min-height:1.5em">Employee events – <em>from team offsites to regular get-togethers</em></p></li><li><p style="min-height:1.5em">Company pension scheme – <em>company-supported pension to set you up for later</em></p></li><li><p style="min-height:1.5em">Great public transport links – <em>both offices are within walking distance of tram and metro stops</em></p></li></ul><p>Find more <a href="https://www.arbeitnow.com/english-speaking-jobs">English Speaking Jobs in Germany</a> on Arbeitnow</a>

Product & Engineering

Related on GOH