Lead/Principle Software Engineer

Lead/Principle Software Engineer in Cheltenham (GL50) | Sanderson Government and Defence My career My jobs Q Quentin Your CV is more than 6 months old. Add a new one so that recruiters can see your recent experience. Upload new CV Search These jobs were popular with other job seekers Software Engineer (Principal & Lead) - Perm - SC & DV Sanderson Government and Defence Cheltenham (GL50) £80000 - £130000 per annum + (Grade Dependant) 3 weeks ago Senior Software Engineer C# .NET MASS Consultants Corsham (SN13) From £50,000 to £65,000 per annum DOE 1 day ago Senior Software Engineer Anson Mccade Bristol (BS1), BS1 3XB 50000-70000 Annual 1 month ago Senior Developer Spectrum IT Recruitment Limited Southampton (SO14), SO14 £60000 - £85000 per annum + 25 days holiday, 3 days ago Senior Software Engineer NICE Southampton, Hampshire 22 hours ago NEW Software Engineer Anson Mccade Cambridge (CB1) Up to £75,000 per annum 4 days ago Software Tech Lead Talent Locker Wiltshire £80000 - £120000 per annum 3 weeks ago Software Engineer C++ Anson Mccade Cheltenham (GL50) Up to £75,000 per annum 3 days ago Principal Software Engineer Hackajob Ltd Gloucester (GL1) Competitive 1 month ago Senior Software Engineer Anson Mccade Bristol (BS1) From £50,000 to £70,000 per annum 1 month ago Lead/Principle Software Engineer Sanderson Government and Defence Cheltenham (GL50) Permanent Contract; On-site Published: 2 weeks ago £75000 - £140000 per annum Apply Save Lead/Principle Software Engineer Sanderson Government and Defence Apply Poor Fit Your CV is missing most of what's needed for this role. Based on resume.pdf Poor fit Strong fit Here are some jobs that are a better fit for you Rate these recommendations Strong Fit Blinds and Curtains Installer Hillarys Blinds £50,000+ earnings p/a 3 days ago Strong Fit Blinds and Curtains Installer Hillarys Blinds Fairview, Cheltenham (GL50), GL50 1EP £50,000+ earnings p/a 1 month ago Strong Fit Blinds and Curtains Installer Hillarys Blinds £50,000+ earnings p/a 3 days ago Strong Fit Blinds and Curtains Installer Hillarys Blinds £50,000+ earnings p/a 3 days ago Strong Fit Blinds and Curtains Installer Hillarys Blinds Rynal Place, Evesham (WR11), WR11 4HR £50,000+ earnings p/a 1 month ago Strong Fit Blinds and Curtains Installer Hillarys Blinds £50,000+ earnings p/a 3 days ago See why Lead/Principle Software Engineer Clearance Required: Active SC Clearance (Mandatory) The Opportunity We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. This role offers the opportunity to design and develop modern backend platforms and services that support some of the UK's most complex and secure technology programmes. Working within Agile, cloud-native environments, you'll leverage cutting-edge commercial and open-source technologies to build scalable, resilient, and high-performing systems across both public and private cloud infrastructure. You'll play a key role in the full software development lifecycle, from solution design through to deployment and operational support, while collaborating with multidisciplinary teams to deliver innovative solutions that make a real-world impact. Please note: Active SC Clearance is an essential requirement for this position. Due to the nature of the work, candidates must already hold current and active SC Clearance. Unfortunately, sponsorship or clearance applications cannot be supported for this role. Key Responsibilities Design, develop, deploy, and enhance backend platforms, applications, and services that support mission-critical programmes. Deliver secure, scalable, and maintainable software solutions that meet both functional and non-functional business requirements. Participate in Agile ceremonies, including sprint planning, story refinement, estimation, and retrospectives. Deliver incremental software releases and continuous improvements through modern Agile delivery practices. Collaborate closely with engineers, architects, and product stakeholders across cross-functional teams. Take ownership of the services and applications your team delivers, ensuring ongoing reliability, performance, and supportability. Build, maintain, and optimise Continuous Integration and Continuous Deployment (CI/CD) pipelines. Contribute to engineering standards, best practices, and quality assurance processes across the development lifecycle. Support knowledge sharing and foster a collaborative engineering culture. Assist in troubleshooting, root cause analysis, and resolution of production issues when required. Skills & Experience Essential 5+ years' commercial software engineering experience delivering production-grade solutions within complex environments. Strong commercial experience developing applications using Java . Experience working with other JVM-based technologies such as Kotlin and/or Scala . Experience with messaging and event-streaming technologies such as Kafka . Strong experience integrating with backend services including PostgreSQL , Redis , and S3/Object Storage solutions. Deep understanding of microservices architecture , distributed systems, and modern software design patterns. Experience working with Big Data technologies and data-intensive applications. Experience operating within Agile DevSecOps environments. Knowledge and application of Zero Trust Architecture principles. Strong experience with CI/CD pipelines , automated deployments, and modern software delivery practices. Commitment to clean coding standards, code reviews, defensive programming, and high-quality technical documentation. Experience using source control and collaboration platforms including GitHub , GitLab , and the Atlassian Suite . Strong problem-solving skills with the ability to design and implement scalable technical solutions. Desirable Experience working within AWS, Azure, or other cloud-native environments. Knowledge of containerisation and orchestration technologies such as Docker and Kubernetes. Experience supporting highly regulated industries such as Defence, National Security, Government, or Critical Infrastructure. Exposure to high-volume, real-time, or event-driven architectures. Relevant industry certifications across software engineering, cloud, or security disciplines. What You'll Bring Strong backend engineering expertise with a passion for developing secure, scalable, and reliable systems. The ability to lead technical discussions and influence engineering decisions across teams. A thorough understanding of modern software engineering principles and best practices. A proactive approach to ownership, taking responsibility for services from initial design through to production support. A collaborative mindset with the ability to work effectively across multidisciplinary teams. Excellent communication skills and a commitment to continuous learning and technical improvement. The ability to thrive in challenging and highly secure technical environments. Testing & Quality Essential Experience Strong advocate of Test-Driven Development (TDD) and quality-first engineering practices. Experience using modern testing frameworks and automated testing tools. Proven ability to build scalable, secure, maintainable, and well-tested software solutions. Commitment to continuous improvement, engineering excellence, and delivering robust code into production. Security Clearance Mandatory Requirement Candidates must hold current and active SC (Security Check) Clearance at the time of application. Applications from candidates who are eligible for clearance, willing to undergo clearance, or whose clearance has expired cannot be considered for this position. This is an outstanding opportunity to work on some of the UK's most complex and impactful technology programmes, developing secure cloud-native platforms and services that directly support critical national outcomes while working alongside highly skilled software engineers, architects, and technology specialists Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you. Apply Sanderson Government and Defence HR Services, Recruitment & Selection 138 Jobs Similar Lead/Principle Software Engineer Jobs Popular with Other Job Seekers Software Engineer (Principal & Lead) - Perm - SC & DV Sanderson Government and Defence Cheltenham (GL50) £80000 - £130000 per annum + (Grade Dependant) 3 weeks ago Senior Software Engineer C# .NET MASS Consultants Corsham (SN13) From £50,000 to £65,000 per annum DOE 1 day ago Senior Software Engineer Anson Mccade Bristol (BS1), BS1 3XB 50000-70000 Annual 1 month ago Senior Developer Spectrum IT Recruitment Limited Southampton (SO14), SO14 £60000 - £85000 per annum + 25 days holiday, 3 days ago Senior Software Engineer NICE Southampton, Hampshire 22 hours ago NEW Software Engineer Anson Mccade Cambridge (CB1) Up to £75,000 per annum 4 days ago Software Tech Lead Talent Locker Wiltshire £80000 - £120000 per annum 3 weeks ago Software Engineer C++ Anson Mccade Cheltenham (GL50) Up to £75,000 per annum 3 days ago Principal Software Engineer Hackajob Ltd Gloucester (GL1) Competitive 1 month ago Senior Software Engineer Anson Mccade Bristol (BS1) From £50,000 to £70,000 per annum 1 month ago Lead/Principle Software Engineer jobs Lead/Principle Software Engineer jobs in Cheltenham IT jobs IT jobs in Cheltenham Software Development jobs Software Development jobs in Cheltenham Jobs in Cheltenham Full Time jobs Weekend jobs Retail jobs Amazon Warehouse Operative jobs Christmas jobs Night Shift jobs NHS jobs Apprenticeship jobs Warehouse jobs Cleaning jobs No Experience jobs Remote jobs Admin jobs Administration jobs Apprenticeships jobs Tesco jobs Get hired. 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