Fullstack Software Engineer (m/f/d) About CodesphereCodesphere is a Virtual Cloud Provider from Germany that’s radically simplifying software development and deployment. We are the go-to for anyone prioritizing digital sovereignty and innovation over legacy technical debt.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 driveYou 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 fitYour ProfileSeveral years of professional experience in software development, ideally in web or distributed systemsStrong proficiency in JavaScript/TypeScript and/or GoSolid understanding of SQL databases, distributed systems, and the design of APIs and microservices architecturesStrong foundations in Computer Science fundamentalsProfessional proficiency in English, written and spokenStrong communication skills and a collaborative mindsetOpenness to feedback and a genuine drive to keep learningStructured approach to problem-solving and a curiosity for technologyWhat sets you apartExperience with cloud infrastructure, ideally in a cloud-native environmentFamiliarity with React and/or KubernetesExperience building or operating monitoring and logging systemsDevSecOps mindset and hands-on experienceWhat's in it for youEmployee equity participation – participate in Codesphere's growth30+ vacation days – including Christmas Eve and New Year's Eve, adding up to 32 days per yearMeal allowance – up to 15 digital meal vouchers per month, worth up to €7.67 eachFlexibility – hybrid work setup with mobile work options and flexibility around core hoursSteep learning curve – fast-moving environment, real ownership, and a front-row seat to scaling a companyJob-Rad – lease a bike through us, tax-freeGym access – stay active on site (Karlsruhe office only)Employee events – from team offsites to regular get-togethersCompany pension scheme – company-supported pension to set you up for laterGreat public transport links – both offices are within walking distance of tram and metro stops