Software Engineer (Js, Java)

Envitia operates at the core of the UK's most sensitive and high-profile operations, providing mission-focused solutions that enable customers to see more, decide faster, and act with confidence across complex domains. Specializing in delivering situational awareness and information advantage across C5ISR, Envitia fuses cyber, geospatial, and kinetic data into a comprehensive operational picture. This transformation of fragmented data into shared understanding allows for actionable insights precisely when they are needed most.

The company is committed to secure-by-design solutions, built from the ground up to protect sensitive information and ensure resilience in contested environments. By simplifying complex heterogeneous data sources into a fused intelligence picture, Envitia provides a robust digital backbone that underpins success for national security and defense operations. Operating as small, agile teams, Envitia emphasizes rapid value delivery, blending deep technical expertise with innovative approaches to achieve measurable outcomes. Recognized as one of the Sunday Times Top 100 Medium-Sized Companies to Work For in 2025, Envitia fosters a workplace culture rooted in innovation, collaboration, and personal growth.

About The Role

We are seeking a talented Software Engineer to join Envitia's dynamic team. In this role, you will be responsible for designing, developing, integrating, and maintaining secure software services and mission-critical applications within classified government environments. Your contributions will span across full-stack and backend engineering, supporting the creation of modern, secure digital solutions tailored for complex government technology estates.

The successful candidate will operate within multi-disciplinary Agile teams, working closely with DevOps engineers, test engineers, architects, data specialists, and mission analysts. Your work will involve API development, cloud-native services, and data integration, contributing to the delivery of high-quality, production-grade software that meets stringent security and performance standards. This role offers an exciting opportunity to work at pace in technically challenging environments, supporting critical national security missions.

Key responsibilities include developing secure software applications, designing scalable distributed systems, contributing to architecture decisions, and supporting secure deployment and operation across various environments. You will also be involved in implementing monitoring and observability practices to ensure live service stability and security.

Qualifications

• Experience working within the UK Security & Intelligence, defense, or other secure government environments
• Proficiency in one or more programming languages such as Java, JavaScript, TypeScript, Python, or C++
• Experience building APIs, microservices, and full-stack applications
• Strong knowledge of modern software engineering practices and secure application development
• Experience designing and developing distributed systems, including microservices and event-driven architectures
• Hands-on experience with cloud-native development, particularly AWS, containerized applications, and modern infrastructure concepts
• Understanding of DevSecOps practices, including CI/CD pipelines, automated testing, and secure development standards
• Current high-level security clearance is required

• Design, develop, and maintain secure software applications, services, APIs, and integrations within classified environments
• Build scalable, distributed systems supporting data, analytics, and mission-critical workloads
• Develop full-stack features and backend services aligned with performance, reliability, and security standards
• Contribute to software design, architecture decisions, and technical documentation
• Apply modern software engineering practices, including clean coding, testing, and code reviews
• Collaborate within Agile teams, participating in sprint planning, refinement, reviews, and retrospectives
• Support DevSecOps initiatives by working with CI/CD pipelines, containerization, and cloud-native services
• Integrate applications with cloud platforms, data services, and streaming technologies
• Implement monitoring, logging, and observability to support live service operation
• Ensure secure deployment and operation of applications across development, test, and production environments

• 25 days annual leave plus your birthday off, with options to buy or sell additional days
• Private healthcare coverage with family options available
• Ongoing training and skills development programs
• Fitness reimbursement to support a healthy lifestyle
• Extensive life assurance coverage for peace of mind
• Comprehensive pension schemes to secure your future
• Perkbox subscription offering discounts on various products and services
• Internal reward schemes recognizing exceptional contributions
• Community engagement and volunteer opportunities to foster social responsibility

At Envitia, we are committed to creating an inclusive environment where diversity is celebrated. We welcome applications from individuals of all backgrounds, abilities, ages, genders, sexual orientations, ethnicities, and religions. We believe that our strength lies in our differences and are dedicated to fostering a workplace where everyone feels valued, respected, and empowered. If you require accommodations during the application or interview process, please let us know.