Junior Frontend Engineer (Ground Segment)
Junior Frontend Engineer (Ground Segment)

Junior Frontend Engineer (Ground Segment)

Entry level 30000 - 40000 ÂŁ / year (est.) Home office (partial)
Open Cosmos Ltd.

At a Glance

  • Tasks: Design and optimise user interfaces for satellite missions using React.
  • Company: Join Open Cosmos, a leader in space technology innovation.
  • Benefits: Work remotely, competitive salary, and be part of a mission-driven team.
  • Other info: Flexible locations across Europe with excellent career growth opportunities.
  • Why this job: Make an impact in space tech while collaborating with a diverse team.
  • Qualifications: Skills in React, TypeScript, and a passion for clean code.

The predicted salary is between 30000 - 40000 ÂŁ per year.

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 Chief Technology Office (CTO) The CTO division is where Open Cosmos technology comes to life. Covering engineering, product development, and technical innovation, the team designs, builds, and operates the satellites, systems, and platforms that make our missions possible. It’s a highly collaborative environment where ideas become real hardware, software, and data solutions that deliver impact from space.

Our Ground Segment team builds and runs the software that powers Open Cosmos missions. From our cloud-native Mission Operations Centre (MOC) to customer-facing tools, they design, deploy, and operate the systems that keep multi-satellite constellations flying. Working with modern technologies — microservices, Kubernetes, Go, RabbitMQ, Postgres, and Terraform — they follow an agile, DevOps-driven approach. Every engineer owns their work end-to-end, from design and code to testing and operations, with plenty of space to suggest improvements and shape how they work.

What You'll Be Doing

As a Junior Front End Engineer, you’ll design, build, and optimise the mission operations user interface that powers Open Cosmos satellite missions. You’ll write and ship production‑ready React code, implementing features that improve usability, performance, and scalability. You’ll work closely with operators, designers, and product owners to turn requirements into clear, intuitive user interfaces. You’ll review code, champion React best practices. As our software grows, you’ll tackle performance challenges, improve reliability, and continuously enhance our tools, processes, and CI/CD workflows.

What You’ll Bring

  • Programming skills in React and TypeScript, with a focus on building clean, maintainable, and scalable applications.
  • Exposure of working with state management solutions like Redux, Zust and, or Context API.
  • The ability to write and maintain unit and integration tests to keep components reliable.
  • An understanding of front‑end performance optimisation techniques and when to apply them.
  • Working with CI/CD pipelines to support smooth and reliable deployments.
  • The ability of promoting React‑specific best practices and improving front‑end workflows.
  • Clear, collaborative communication — able to partner effectively with designers, product owners, and backend engineers.

For this role you can be based in any of our locations: Harwell, UK; Barcelona, Spain; Porto, Portugal; Athens, Greece; Tenerife, Canaries. To apply, you must have the legal right to work in your chosen location.

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.

Junior Frontend Engineer (Ground Segment) employer: Open Cosmos Ltd.

Open Cosmos is an exceptional employer for those looking to make a meaningful impact in the field of space technology. With a strong focus on collaboration and innovation, employees are empowered to take ownership of their work while enjoying a supportive and diverse team culture. The company offers opportunities for professional growth and development, all while working at the forefront of cutting-edge technology in vibrant locations such as Harwell, Barcelona, Porto, Athens, and Tenerife.
Open Cosmos Ltd.

Contact Detail:

Open Cosmos Ltd. Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Junior Frontend Engineer (Ground Segment)

✨Tip Number 1

Network like a pro! Reach out to current employees at Open Cosmos on LinkedIn or other platforms. Ask them about their experiences and any tips they might have for landing a role in the Ground Segment team.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your React projects, especially those that demonstrate your ability to build clean and scalable applications. This will give you an edge when discussing your experience during interviews.

✨Tip Number 3

Prepare for technical interviews by brushing up on your knowledge of front-end performance optimisation techniques and state management solutions. Be ready to discuss how you've applied these in past projects.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the Open Cosmos team.

We think you need these skills to ace Junior Frontend Engineer (Ground Segment)

React
TypeScript
State Management (Redux, Zustand, Context API)
Unit Testing
Integration Testing
Front-End Performance Optimisation
CI/CD Pipelines
Collaborative Communication
Agile Methodologies
DevOps Practices
Code Review
User Interface Design
Problem-Solving Skills
Maintainable Code Practices

Some tips for your application 🫡

Show Your Passion: When writing your application, let your enthusiasm for space technology shine through! We want to see how excited you are about the challenges we tackle at Open Cosmos. Share why our mission resonates with you and how you can contribute.

Tailor Your CV: Make sure your CV is tailored to the Junior Frontend Engineer role. Highlight your skills in React and TypeScript, and don’t forget to mention any experience with state management solutions. We love seeing relevant projects that showcase your abilities!

Be Clear and Concise: Keep your application clear and to the point. Use straightforward language to describe your experiences and skills. We appreciate a well-structured application that makes it easy for us to see what you bring to the table.

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team at Open Cosmos!

How to prepare for a job interview at Open Cosmos Ltd.

✨Know Your Tech Stack

Make sure you’re well-versed in React and TypeScript, as these are crucial for the role. Brush up on state management solutions like Redux and Context API, and be ready to discuss how you've used them in past projects.

✨Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled performance optimisation challenges in your previous work. Be specific about the techniques you applied and the impact they had on the user experience.

✨Emphasise Collaboration

Since this role involves working closely with designers and product owners, think of instances where you’ve successfully collaborated in a team. Highlight your communication skills and how you’ve contributed to a positive team dynamic.

✨Demonstrate Your Passion

Open Cosmos is all about making space accessible and solving real-world challenges. Share why you’re excited about their mission and how your values align with theirs. This will show that you’re not just looking for any job, but that you genuinely want to be part of their journey.

Junior Frontend Engineer (Ground Segment)
Open Cosmos Ltd.

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