You’ll be:

• Defining and implementing testing strategies across platform features and releases
• Designing, building, and maintaining automated tests for frontend and backend systems
• Carrying out manual and exploratory testing across user journeys and edge cases
• Validating data flows, outputs, and platform reliability
• Collaborating with engineering and product teams to define acceptance criteria and test coverage
• Supporting CI/CD pipelines and improving automated testing within release cycles
• Identifying gaps in coverage and driving improvements in testing practices and frameworks
• Investigating defects across UI, API, and data layers
• Reviewing user and admin documentation to ensure clarity and alignment with system behaviour

What You’ll bring

• Ability to design reliable and repeatable tests using manual and automated approaches
• Understanding of different testing strategies including integration, regression, system, and exploratory testing
• Ability to build automated tests for web UIs and APIs using modern testing frameworks
• Understanding of API-driven systems and client-server architectures
• Ability to validate data integrity, transformations, and outputs within data platforms
• Awareness of CI/CD practices and testing within release pipelines
• Strong analytical thinking and attention to detail when identifying defects and inconsistencies
• Understanding of user workflows and the ability to test from different user perspectives
• A collaborative and pragmatic approach, balancing speed and quality in a scaling environment

This role can be based in any of our Locations globally

To apply, you must have the legal right to work in our 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.