Senior Software Developer

Salary: £69,000 - 109,000 per year

Requirements:

• Strong commercial experience in software engineering and modern application development.
• Experience building scalable applications, APIs, and distributed systems.
• Experience working with cloud platforms and modern software delivery practices.
• Good understanding of DevOps principles, CI/CD pipelines, containers, and Infrastructure as Code.
• Experience working within Agile environments (Scrum or Kanban).
• Passion for writing clean, maintainable, and well-tested code.
• Strong communication skills with the ability to collaborate with technical and non-technical stakeholders.
• Experience mentoring engineers or providing technical leadership within delivery teams.
• Experience working within secure, regulated, government, or defence environments.
• Knowledge of secure software engineering and DevSecOps practices.
• Existing UK DV Security Clearance.

Responsibilities:

• Design, develop, and maintain secure, scalable software solutions.
• Lead the design and implementation of modern APIs, microservices, and cloud-native applications.
• Build robust, high-quality software using clean architecture and engineering best practices.
• Develop and deploy applications across cloud and on-premise environments.
• Work with CI/CD pipelines, containers, Infrastructure as Code, and DevOps tooling to automate delivery.
• Participate in architectural discussions and contribute to technical strategy.
• Mentor and support junior and mid-level engineers through code reviews and knowledge sharing.
• Collaborate with cross-functional teams and stakeholders to deliver secure, user-focused solutions.
• Drive continuous improvement across engineering standards, tooling, and delivery processes.
• Collaborate with architects, product owners, DevOps engineers, and clients to deliver innovative solutions using modern engineering practices.

Technologies:

• CI/CD
• Cloud
• DevSecOps
• DevOps
• Support
• Kanban
• Security
• microservices

More:

We are a growing, mission-led technology consultancy delivering secure, scalable software solutions for the UK Government and Defence sector. Our teams build modern digital platforms and mission-critical systems that support some of the UKs most important national programmes. You will join a highly collaborative engineering team where technical expertise, leadership, and ideas directly influence the success of high-impact projects. We offer hybrid and flexible working, flexitime with a 37.5-hour working week, a learning and development budget for certifications, conferences, and training, private healthcare, matched pension contributions, monthly socials, quarterly company events, and clear technical and leadership progression opportunities. We are committed to diversity and inclusion and to building teams where different perspectives are valued and everyone has the opportunity to thrive. The role offers a salary of £50,000 to £70,000 per year.

last updated 34 week of 2026