🕒 3 days ago
Design and evolve production backend systems for AI-powered mobile apps, owning scalable APIs, data-intensive services, asynchronous workflows, integrations, testing, performance, and reliability.
Senior Backend Software Engineer (m/f/d)
📅 Jun 26
TypeScriptGoSQL DatabasesDistributed Systems
📜 Description
- Own complex features end to end, from product discovery and planning through design, implementation, testing, and maintenance.
- Conduct code and technical design reviews to raise team quality.
- Mentor junior engineers and contribute to a culture of learning.
- Develop virtual cloud platform capabilities across deployment technology, managed services, authentication and authorization, and developer experience.
🛠️ Requirements
- Several years of professional software development experience, ideally in web or distributed systems.
- Strong proficiency in TypeScript and/or Go.
- Knowledge of SQL databases, distributed systems, API design, microservices, Docker, and Kubernetes.
- Relevant degree or comparable qualification, with strong computer science fundamentals.
- Professional written and spoken English; strong communication and collaboration skills.
- Openness to feedback, continuous learning, and structured problem-solving.
- Experience building or operating cloud infrastructure components, ideally in cloud-native environments; familiarity with message queues and SQL or NoSQL databases.
- Familiarity with React, monitoring and logging systems, and a DevSecOps mindset with hands-on experience.
✨ Benefits
- 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
- 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
Full job description
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
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
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