Remote Senior Software Engineer

Salary: £68,000 - 108,000 per year

Requirements

• We require eligibility for UK Security Clearance (SC).
• We require willingness to work 2 to 4 days per week on-site with our Defence customers, including travel to locations throughout the UK.
• We are looking for strong hands-on experience in application development and a solid understanding of modern system architecture and design.
• We want proven experience shipping code used by paying customers in both Python and a compiled language.
• We are looking for strong DevOps skills, including GitLab CI/CD, Docker, and managing applications in production environments.
• We value experience with agentic software development and a passion for solving complex customer problems.
• We are looking for someone who thrives as a key contributor within a squad, taking ownership of technical challenges and elevating team output.
• We need someone who communicates effectively with technical and commercial stakeholders and can translate complex requirements into robust engineering solutions.

Responsibilities

• We design and build robust backend and edge/IoT components for diverse client deliverables across multiple software domains.
• We scope and execute bounded technical problems to ensure high-velocity delivery.
• We ship production-ready code in Python and at least one compiled language such as Rust, C++, Go, C#, or Java.
• We implement scalable CI/CD processes, containerisation with Docker, and deployments on Kubernetes or bare metal.
• We mentor and pair with fellow engineers to share best practices and help the team deliver their best work.
• We collaborate with Machine Learning and Data Science teams to operationalise agentic software and advanced AI tooling.
• We lead backend and edge/IoT engineering for critical work streams and bridge machine learning research with production-grade software.

Technologies

• AI
• Backend
• C#
• CI/CD
• DevOps
• Docker
• GitLab
• IoT
• Java
• Kubernetes
• Machine Learning
• Python
• Rust
• Security

More

We established Faculty in 2014 because we believed AI would be the most important technology of our time. Since then, we have worked with over 350 global customers to transform performance through human-centric, responsible AI. Our clients span government, finance, retail, energy, life sciences and defence, and our business and reputation are growing fast. Our Defence team builds and embeds human-centered AI solutions that give our nation a competitive edge, and we work on high-stakes problems with ethical, reliable and cutting-edge AI. You will be empowered to make a meaningful impact while working flexibly from our London office or remotely elsewhere in the UK when not on client site. We offer an interview process that includes a talent screen, system design, pair programming, and a commercial and leadership interview. Our benefits include unlimited annual leave, private healthcare and dental, enhanced parental leave, family-friendly flexibility, Sanctus Coaching, and hybrid working. We value diversity, intellectual curiosity, and measurable positive impact, and we welcome applications from people of all backgrounds. We are also open to conversations about part-time hours.

last updated 28 week of 2026