Envitia
Java Software Engineer - Security & Intelligence
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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 C5ISR, 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.
The Role
Envitia is recruiting for a Java Software Engineer to join our Security and Intelligence consulting team and will be responsible for designing, developing and maintaining secure software services and mission applications within classified government environments.
The role focuses on building high-performance backend systems, microservices and APIs that enable intelligence data platforms, analytics systems and operational applications.
The successful candidate will work within multi-disciplinary agile teams, collaborating with data engineers, data scientists, DevOps engineers and mission analysts to deliver secure, production-grade software systems.
Typical engagements include:
- Developing Java-based microservices and backend platforms
- Building API-driven services enabling data exploitation and analytics
- Supporting distributed analytics platforms and intelligence applications
- Integrating software components across complex secure environments
- Delivering cloud-native and containerised mission software systems
Job Responsibilities
- Design, develop and maintain secure Java-based backend services supporting mission-critical and operational systems.
- Build scalable microservices architectures and robust RESTful APIs to support data-driven and intelligence platforms.
- Engineer high-performance, distributed applications capable of processing large volumes of data with low latency and high reliability.
- Integrate Java applications with data platforms, streaming services and analytics pipelines, including AI/ML-enabled systems.
- Apply secure coding practices and ensure solutions meet stringent performance, reliability and security requirements.
- Contribute to architectural design, code reviews, automated testing and continuous improvement activities.
- Implement logging, monitoring and observability to support the operation of production systems.
- Collaborate closely with multi-disciplinary teams including engineers, data specialists and operational stakeholders.
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Skills Required
- Strong experience developing Java-based backend applications (Java 11+) using modern frameworks such as Spring Boot / Spring Framework.
- Solid understanding of object-oriented design, software architecture and building RESTful APIs.
- Experience designing and developing distributed systems and microservices architectures, including service-to-service communication and API integration patterns.
- Proven ability to build high-performance, scalable backend systems for data-intensive or mission-critical applications.
- Experience working in DevSecOps environments, including Docker, Kubernetes, CI/CD pipelines, automated testing and observability tooling.
- Ability to work directly with stakeholders to understand requirements and translate them into robust, secure and scalable software solutions.
- Strong collaboration and communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.
- Comfortable working in secure or regulated environments, delivering software within complex operational constraints.
Security Clearance Requirements
The successful candidate must hold a current high-level security clearance.
Location
It is anticipated the role will require up to 80% (4d/wk) onsite working at client locations – Cheltenham, London, Manchester (based on project requirements).
What’s in it for you?
At Envitia, our greatest asset is our team. We are committed to ensuring our workplace is one where every employee feels valued, supported and motivated to reach their full potential. As part of this commitment, we offer an exciting range of benefits designed to enhance both your professional and personal well-being.
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- More time for you: Enjoy 25 days of annual leave plus your birthday off, because you deserve to celebrate you. Want more flexibility? You can buy or sell up to 5 extra days to tailor time off around what matters most.
- Private Medical Insurance: We’ve got you covered with comprehensive private healthcare, including family options for added peace of mind.
- Security Clearance Bonus: Up to £5,000 a year
- Career growth that keeps you ahead: We invest in your future with ongoing training and development, so you’re always learning, growing and staying ahead of the curve.
- Wellness that works for you: Love yoga, or going to the gym? We encourage an active lifestyle and support your wellness goals with a fitness reimbursement scheme that helps cover your gym membership or fitness-related expenses.
- Life Assurance: Gain peace of mind with our life insurance coverage that ensures your loved ones are protected, because we care about your future as much as your present.
- Smarter Retirement Planning: Plan for your future with our pension options and resources to help build a secure financial foundation.
- Perkbox: Treat yourself! From shopping to spa days, to saving money on that new TV, our Perkbox membership gives you access to exclusive discounts on hundreds of products and services.
- Recognition that counts: Great work doesn’t go unnoticed here. Our reward and recognition scheme celebrate your impact and let your brilliance shine.
- Give back and get involved: Join us in making a difference through paid volunteering days that let you support the causes that matter to you.
Inclusion at Envitia
At Envitia, we celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome applicants from all backgrounds and walks of life. We believe that our strength lies in our differences, and we are dedicated to fostering a workplace where everyone feels valued, respected, and empowered.
We encourage applications from people of all abilities, ages, genders, sexual orientations, races, ethnicities, and religions. We strive to support a culture of inclusion, accessibility, and work-life balance.
If you require any accommodations during the application or interview process, please let us know.
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