Senior Java Software Engineer

Envitia operates at the heart of the UK’s most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.

We deliver situational awareness and information advantage across C5

ISR, fusing cyber, geospatial, and kinetic data into an operational picture. This transforms fragmented data into a shared understanding of the battlespace, delivering actionable insight when it matters most.

Our solutions are secure-by-design, built from the ground up to protect sensitive information and ensure resilience in contested environments. We simplify complex heterogeneous data sources into a rich picture of fused intelligence, providing a digital backbone that underpins success.

We operate as small teams delivering fast value, blending deep technical expertise with agile methods to deliver measurable outcomes. Every engagement focuses on capability, clarity, and confidence for those who protect the nation.

A career with Envitia enables you to work with mission driven innovation.

We’re thrilled to announce that Envitia has been named one of the Sunday Times Top 100 Medium-Sized Companies to Work For in 2025 a prestigious recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive.

Envitia is looking for a Java Engineer to join our growing Security & Intelligence team.

The role is pivotal to the Engineering function and will be responsible for leading the design, development and implementation of complex software solutions for customers in the government and national security sectors.

This position requires an individual who can operate independently, drive projects to completion and deliver innovative solutions that align with project objectives and organisational goals. The Senior Software Engineer will provide technical leadership, mentor less experienced engineers and ensure the delivery of high-quality software that fulfils the expectations of customers.

This is an opportunity to work on technically challenging projects where you'll have direct influence over solution design, engineering decisions and the delivery of modern software systems.

Due to the nature of our work, the successful candidate will be required to obtain a high level of security clearance. Once cleared, you will be expected to work on-site at client locations in either London, Cheltenham, or Manchester for approximately 3-4 days per week. Whilst you clearance is going through, you will work on programmes across our wider defence and central government portfolio.

• Lead the planning, design, and development of sophisticated software applications. Make critical decisions that define a framework for implementing projects and initiatives.
• Design, write and test code, refining and rewriting it as necessary, supporting and collaborating with other developers involved in the project.
• Oversee the delivery of projects from conception to deployment, ensuring they are completed on schedule, within budget, and meet or exceed quality standards.
• Drive innovation by exploring new technologies and software development practices. Tackle complex problems and provide well-engineered solutions.
• Establish and enforce quality assurance standards and best practices to ensure the development and delivery of reliable and scalable software.
• Conduct code reviews and maintain high standards in programming to improve application functionality and prevent future issues.
• Mentor and guide junior software engineers, promoting a culture of learning and growth within the team. Share knowledge and foster a collaborative team environment.
• Collaborate with other…