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Software Developer

Datasource London, United Kingdom
Posted 5 hours ago Permanent Competitive

Software Developer

Datasource London, United Kingdom
Software Developer

Introduction




Company cultures & job summary



Our client is an established and innovative technology consultancy working on cutting-edge software solutions in the defence and national security.



You'll be joining a skilled, close-knit engineering team working on high-performance backend systems, distributed applications, and microservices - all within secure Linux environments. The team values good engineering practice, collaborative problem-solving, and people who take ownership of their work. T



To be considered, you'll need solid commercial experience with Java and C++, a strong grasp of software architecture and design patterns, and hands-on knowledge of CI/CD pipelines, containerisation with Docker, and RESTful API development. Spring Boot, reactive programming, and experience working in Agile environments are all essential. You'll also need to be SC Cleared and willing to undergo DV Clearance. Sound like you? APPLY TODAY and let's talk.




Working Patterns and location - Fully on site




Key responsibilities



• Design, develop, and maintain high-performance backend software in Java and C++ within Linux environments.



• Lead technical design and implementation of software components, services, and APIs.



• Provide technical mentoring and leadership to junior and mid-level engineers.



• Conduct code reviews and enforce software engineering best practices across the team.



• Build, maintain, and improve RESTful APIs, microservices, and distributed applications.



• Contribute to CI/CD pipelines and DevSecOps practices using tools such as GitLab and Jenkins.



• Containerise applications using Docker for scalable and efficient deployment.



• Collaborate with customers and cross-functional teams to translate requirements into technical solutions.




Skills & experience



• 5+ years of commercial software development experience in Java and/or C++ within Linux environments.



• Strong knowledge of software architecture, design patterns, and object-oriented programming principles.



• Experience developing enterprise-scale backend applications, RESTful APIs, and distributed systems.



• Hands-on experience with Spring Boot and reactive programming frameworks such as Spring Reactive.



• Solid understanding of CI/CD pipelines using tools such as GitLab CI/CD, Jenkins, or Azure DevOps.



• Experience with containerisation technologies, particularly Docker.



• Strong knowledge of version control systems, particularly Git, Bitbucket, or GitLab.



• Experience working within Agile software development environments with strong problem-solving ability.




The client would also like to see some of the below, but this is not essential:



• Experience with GitLab pipelines for automated build and deployment workflows.



• Familiarity with ElasticSearch and Kibana for log management and data visualisation.



• Knowledge of NoSQL database technologies such as MongoDB.



• Experience with messaging platforms such as Kafka or RabbitMQ.



• Familiarity with ScalaTest or other Scala-based testing frameworks.



• Bachelor's degree in Computer Science, Software Engineering, or a related discipline.




Additional benefits



• 25 Days holiday (+Bank Holidays).



• Company Car Scheme.



• Healthcare Scheme.



• Company Pension Scheme.



• Training Package/Budget.



• Great company advancement and support.




Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.




Part-time opportunities/flexible working is available to suit individual needs.




RECOMMEND A FRIEND: If you have professional friends/colleagues who would be interested in one of our roles and our excellent levels of service too, we'd like to recognise your recommendations with a 'thank you' of our own. For every friend you refer who then starts a role through Datasource either Contract or Permanent, we will send you £200 of Love to Shop Gift Vouchers & gift your friend £100 in Love to Shop Gift Vouchers as well!



You will be required to hold a minimum of DV Clearance. If you do not hold an active DV Clearance, please familiarise yourself with the vetting process before applying.



(c) Copyright Datasource Computer Employment Limited 2026.

Job ID  0fDpEpl0UvS9
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