Backend Software Engineer (m/f/d)

Creandum; München; Hybrid; EUR 75,000 - 110,000; Full time

Benefits offered by this job

32 days paid time off

Meal allowance – digital vouchers

Hybrid work setup

Flexibility around core hours

Job-Rad bike lease

Company pension scheme

Great public transport links

Job summary

Codesphere is hiring in Germany to join a hybrid team in Karlsruhe and Munich. You’ll lead complex features end-to-end, review designs, and mentor peers while shaping cloud-native capabilities for the platform. Strong TS/JS or Go skills and Docker/Kubernetes are highly valued.

You’ll contribute to a collaborative developer cloud with public APIs, IAM, monitoring, and deployment tooling, enjoying a steep learning curve and ownership in a fast-paced environment.

Qualifications

• Several years of professional software development experience.
• Strong proficiency in JavaScript/TypeScript and/or Go.
• Solid understanding of SQL databases, APIs and microservices architectures.
• Experience with Docker and Kubernetes.
• Degree in a relevant field; CS fundamentals.
• Professional proficiency in English; strong communication.

Responsibilities

• Own features end to end – from discovery and planning through design, implementation, testing and maintenance.
• Conduct code and technical design reviews to raise quality across the team.
• Mentor junior engineers and contribute to a learning culture.
• Shape cloud-native capabilities including IAM, APIs, deployment tooling, and monitoring.

Skills

JavaScript/TypeScript

Go

SQL databases

APIs & microservices

Docker

Kubernetes

React

Cloud infrastructure

Education

Bachelor's degree in CS or related field

Tools

React

Monitoring/logging systems

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 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

• 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