Aim high, go beyond!

At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…

Working in our Data Division

Our Data division transforms satellite data into meaningful insights that drive real-world impact. The team delivers all data products generated by Open Cosmos and its partners, curates and develops DataCosmos — our geospatial data platform — and builds integrations that make satellite imagery easy to access and act on. Their work helps organisations turn data into action and create positive change on Earth.

We’re looking for a Junior Backend Engineer to join our DataCosmos team, helping build and maintain the software and services that deliver satellite data to our customers. You’ll gain hands-on experience working with cloud-native technologies, learning from experienced engineers, and contributing to real systems that power the OpenConstellation.

This is a fantastic opportunity for someone at the start of their engineering journey who’s eager to develop strong software fundamentals and apply them in the fast-moving world of space technology.

What will you be doing?

• Support the development of new backend features and services for the DataCosmos platform.

• Help maintain and improve existing systems, fixing bugs and enhancing performance.

• Learn and apply best practices in Go and/or Python, testing, and cloud-native development.

• Participate in code reviews, CI/CD workflows, and agile ceremonies alongside experienced engineers.

• Collaborate across teams to understand customer needs and ensure your work delivers measurable impact.

• Contribute to a reliable, scalable, and efficient platform that keeps our satellite data flowing.

What You’ll bring

• Familiarity with at least one programming language (Go, Python, or similar).

• Basic understanding of version control (Git), databases (PostgreSQL), and web services (REST, gRPC).

• Curiosity about cloud technologies like Docker, Kubernetes, and CI/CD.

• Understanding of computer science fundamentals and software development practices.

• A problem-solving mindset, strong attention to detail, and eagerness to learn.

• Great communication skills and the ability to work effectively in a collaborative, fast-paced team.

This role you can be based in any of our locations: UK | Spain | Portugal | Greece | Argentina

To apply, you must have the legal right to work in your chosen location.

When applying, please submit your CV in English

Why Open Cosmos?

• Work at the cutting edge of space technology with customers around the globe.

• A mission-driven company making space accessible to help solve real-world challenges.

• A diverse, ambitious, and supportive team.

Division

DATA COSMOS

Department

DATA

Role

Backend Software Engineer

Locations

Harwell, UK, Athens, Greece, Barcelona, Spain, Buenos Aires, Argentina, Porto, Portugal

Remote status

Hybrid

Employment type

Full-time

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