Senior Software Developer

Sanderson Recruitment Plc; Cheltenham; On-site; GBP 70,000 - 86,000; Full time

Benefits offered by this job

Private healthcare

25 days annual leave

Cycle to Work scheme

Electric vehicle scheme

Company pension contribution

Training budget and dev. support

Clear career progression opportunities

Job summary

Sanderson Recruitment Plc is seeking a Senior Software Developer (Java/C++) to join a high-skilled engineering team in the UK. The role involves delivering complex back-end software, shaping technical strategy, and mentoring engineers.

You will work across Linux environments, develop RESTful services, and contribute to CI/CD pipelines while focusing on performance and security. A strong priority is collaboration with stakeholders and delivering scalable solutions.

Qualifications

• Degree or equivalent commercial experience.
• 5+ years of commercial software development using Java and/or C++.
• Experience with Linux environments.
• Experience with enterprise-scale back-end systems and APIs.
• Knowledge of CI/CD tools and DevOps practices.

Responsibilities

• Design, develop, and maintain high-performance back-end applications using Java and C++.
• Lead technical design of services, components and APIs.
• Mentor junior and mid-level developers.
• Contribute to architectural decisions and roadmaps.
• Support CI/CD pipelines and DevSecOps initiatives.
• Ensure performance, security, and reliability through testing.

Skills

Java

C++

Linux environments

APIs

Distributed systems

RESTful services

CI/CD

Agile development

Git

Code reviews

Education

Degree in Computer Science/Software Engineering or equivalent

Tools

Docker

Jenkins

GitLab CI/CD

Azure DevOps

Job description

Senior Software Developer (Java/C++)

Active SC Clearance required

Salary: Up to £78,000 + Excellent Benefits
Location: Gloustershire

The Opportunity

An exciting opportunity has arisen for an experienced Software Developer to join a highly skilled engineering team delivering complex, high-performance software solutions. This role offers the chance to work on challenging projects, influence technical strategy, and play a key role in the design and development of scalable Back End systems.

You’ll work with modern technologies across Linux environments, contributing to the full software development life cycle while collaborating with technical stakeholders and mentoring fellow engineers.

Key Responsibilities

• Design, develop and maintain high-performance Back End applications using Java and C++.
• Lead the technical design and implementation of software services, components and APIs.
• Develop robust, secure and scalable software solutions with a strong focus on quality and maintainability.
• Mentor and support junior and mid-level developers within the team.
• Contribute to architectural decisions, technical roadmaps and engineering strategy.
• Conduct code reviews and champion software development best practices.
• Troubleshoot and resolve complex software issues and performance bottlenecks.
• Develop RESTful APIs, microservices and distributed applications.
• Utilise debugging, profiling and static analysis tools to maintain high software quality.
• Containerise applications using Docker and contribute to deployment automation.
• Support CI/CD pipelines and DevSecOps initiatives.
• Collaborate closely with stakeholders to gather requirements and deliver effective technical solutions.
• Ensure software performance, security and reliability through comprehensive testing and code quality standards.

Skills & Experience Required

• Degree in Computer Science, Software Engineering or a related discipline, or equivalent commercial experience.
• At least 5 years' commercial software development experience using Java and/or C++.
• Strong experience developing within Linux environments.
• Solid understanding of software architecture, design patterns and object-oriented development principles.
• Experience developing enterprise-scale Back End systems, APIs and distributed applications.
• Strong knowledge of multithreaded and concurrent programming.
• Experience diagnosing, troubleshooting and optimising software performance.
• Familiarity with relational and/or NoSQL databases.
• Experience with containerisation technologies such as Docker.
• Knowledge of CI/CD tools including Jenkins, GitLab CI/CD or Azure DevOps.
• Strong Git version control experience.
• Experience working within Agile development environments.
• Excellent communication, stakeholder management and problem-solving skills.

Security Requirements

Due to the nature of the projects involved, successful applicants will be required to meet UK security clearance eligibility requirements. This includes satisfying relevant residency and nationality criteria.

Benefits

• Competitive salary of up to £78,000
• 25 days annual leave plus bank holidays
• Private healthcare
• Cycle to Work scheme
• Electric vehicle scheme
• Company pension contribution
• Dedicated training budget and professional development support
• Clear career progression opportunities

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.