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SiXworks · Cheltenham, England, United Kingdom
Work on Technology That Protects What Matters
At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.
We’re looking for a Software Engineer who enjoys solving difficult technical challenges and wants their work to have real operational impact.
What You’ll Do
As an Android Developer, you’ll design and build applications which address real world challenges. You’ll be central in the whole software pipeline, from presenting new ideas to the customer, to writing the code, to deploying onto customer systems. The team within which you will work is highly collaborative and supportive, allowing you to be the best you can be!
Develop reliable applications in Kotlin Jetpack Compose for Android, with the potential to branch out into Kotlin Multi-Platform. These applications focus on a range of user experiences, including real-time device data, mapping, and offline functionality.
Design and implement backend solutions using either Rust or Go, ensuring robustness and scalability (g. writing web APIs, AWS and Azure solutions, IoT integrations).
Utilise GIT for version control, ensuring efficient code management and collaboration.
Implement and maintain CI/CD pipelines to automate software delivery and deployment.
Write clean, efficient, and well-documented code following industry best practices.
Participate in code reviews, providing constructive feedback to team members.
Stay updated with the latest technologies, trends, and best practices in software development.
What We’re Looking For
Bachelor's degree in Computer Science, Engineering, or related field.
Happy to develop PoC applications where requirements may change rapidly and rework is common.
Strong proficiency in GIT for version control and collaborative development.
Familiarity with backend development languages such as Rust, or Go.
Solid understanding of software development principles (MVVM, UDF), Web APIs, standards (e.g. OpenAPI), and data structures.
Knowledge of DevOps processes, including CI/CD pipelines and automated testing frameworks.
Strong communication and collaboration abilities within a team environment.
Its equally important to be curious, have strong problem-solving skills, and the motivation to continuously improve how technology is designed and delivered.
About SiXworks
SiXworks is a specialist digital innovation partner delivering secure, mission-critical technology to Defence and National Security organisations. We focus on digital experimentation, secure-by-design architecture, cloud technologies, and rapid application development to help our customers move faster and stay ahead of evolving challenges.
Our team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.
Why Join Us
Our culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivity, our North Star for how we work. SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology solutions deployed in highly secure environments.
As an end-to-end digital innovation and delivery partner, we turn complex challenges into mission-critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self-motivated people to join the team on our journey.
We offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension, Bonus and Professional development and training support. Additionally we have a newly re-furbished office space with a modern reception and facilities.
A word on UK Security Clearance
Due to the secure nature of the position and working environment, you must already hold or be eligible to obtain higher levels of Government Security Clearance. More details relating to UK Security Clearance can be found here.
United Kingdom Security Vetting: clearance levels - GOV.UK (
Interested?
Please apply!
Details
| Company | SiXworks |
| Location | Cheltenham, England, United Kingdom |
| Type | FULL TIME |
| Niche | tech |