Sanderson
Senior Software Engineer
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Software Developer (Java/C++)
Salary: Up to £78,000 P/A Dependent on experience
Location: Cheltenham, UK
Status: Full-Time
Due to the nature of our work, candidates must hold a valid "SC" security clearance at the time of application to be considered for this role.
Role overview
We are seeking an experienced Software Developer to join our dynamic and innovative team. In this role, you will be responsible for designing, developing, and maintaining high-performance backend software solutions using Java and C++ within Linux environments. You will work closely with customers and internal teams to understand requirements, define technical approaches, and deliver robust, reliable, and scalable solutions.
As a senior member of the engineering team, you will provide technical leadership, contribute to architectural decisions, mentor junior developers, and support the continuous improvement of development practices. With a strong focus on code quality, automation, testing, and maintainability, you will help shape the evolution of our products and technical capabilities.
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Key responsibilities
- Design, develop, and maintain high-performance backend software solutions using Java and C++ within Linux-based environments.
- Lead the technical design and implementation of software components, services, and APIs.
- Implement robust, maintainable, and well-tested code with a strong focus on performance, reliability, scalability, and security.
- Provide technical leadership and mentoring to junior and mid-level software engineers.
- Support architectural decision-making and contribute to technical strategy and roadmaps.
- Conduct code reviews and ensure adherence to software engineering best practices and development standards.
- Investigate, troubleshoot, and resolve complex software defects, including issues relating to customer libraries and third-party dependencies.
- Develop and maintain RESTful APIs, microservices, and distributed applications.
- Containerise applications using Docker for streamlined deployment and scalability.
- Contribute to Continuous Integration and Continuous Deployment (CI/CD) pipelines and DevSecOps practices.
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Required skills & qualifications
- Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent work experience).
- Proven commercial experience (5+ years) developing software in Java and/or C++, preferably within Linux environments.
- Strong understanding of software architecture, software design patterns, and object-oriented programming principles.
- Experience designing and developing enterprise-scale backend applications, APIs, and distributed systems.
- Strong understanding of multithreaded and concurrent application development.
- Strong understanding of software debugging and diagnostic tools.
- Experience with relational and/or NoSQL database technologies.
- Familiarity with containerisation technologies such as Docker.
- Knowledge of CI/CD tools such as Jenkins, GitLab CI/CD, or Azure DevOps.
Due to the nature of the work a UK security clearance is required for this role. To qualify for clearance, you must meet residency and nationality requirements.
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