Lead Software Engineer

Join a fast-growing technology business delivering impactful data and AI solutions across complex defence environments. This is a hands-on leadership role where you’ll shape technical direction, lead delivery teams, and build scalable software that makes a real-world difference. Role Overview: Location: Bath area (3 days on-site per week) Package: Competitive salary + annual bonus + extensive benefits package Industry: Data, AI & Software Engineering What You’ll Be Doing: Lead the end-to-end delivery of complex software engineering projects from concept through to deployment Oversee the design, development, testing, and release of scalable, production-ready solutions Build and maintain strong relationships with clients and key stakeholders Develop and optimise data pipelines using Python and SQL Deliver AI-enabled solutions, including systems leveraging Large Language Models Champion engineering best practices across version control, CI/CD, cloud deployment, and containerisation Mentor and support engineers, helping to grow technical capability across the team Coordinate project delivery across multiple workstreams, ensuring quality and accountability Translate business challenges into practical technical solutions and delivery strategies Contribute to proposals, bids, and identifying new technical opportunities Drive continuous improvement across engineering standards, tooling, and processes Provide technical leadership across both client projects and internal initiatives Main Skills Needed: Strong experience leading software engineering projects through full delivery lifecycles Advanced Python expertise, including OOP, concurrency, recursion, and decorators Solid experience building backend services, APIs, and data engineering pipelines Strong SQL skills and experience working with databases such as PostgreSQL or SQL Server Experience working within cloud environments such as AWS or Azure Strong understanding of Docker, containerisation, and Linux-based environments Experience implementing CI/CD pipelines using tools such as GitHub Actions or Azure DevOps Confident working within Git-based development workflows and code review processes Proven ability to lead technical teams and manage delivery across multiple projects Strong communication and stakeholder management skills Excellent problem-solving, organisational, and decision-making abilities Experience with C++ or Fortran would be beneficial but isn’t essential DV clearance or eligibility to obtain it is required What’s in It for You: Annual performance bonus 26 days holiday + bank holidays + your birthday off BUPA private healthcare Enhanced family leave policies £1,000 annual learning and development budget Hybrid working flexibilit Careers move fast. Let’s make sure yours is heading the right way. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.