Backend Software Engineer Python Data

Company: Addition
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Backend Software Engineer A highly respected engineering and technology business operating within the National Security space is looking for a Backend Software Engineer to join its growing team. Package: Competitive salary + strong benefits package including 30 days holiday plus bank holidays Building secure, scalable backend software for critical national security systems Developing features from concept through to deployment and ongoing support Writing clean, maintainable code with a strong focus on reliability and performance Designing, testing and documenting backend services and APIs Working with modern development tooling and deployment environments

Strong backend development experience using Python Solid Linux knowledge and experience working in Linux environments Understanding of software engineering best practices and secure development principles

Familiarity with Agile or Scrum delivery environments Work on projects that have genuine real-world impact Flexible working and a people-first culture Continuous learning and career development opportunities Access to excellent onsite facilities including gym and parking A unique working environment set within the Hampshire countryside Long-term career stability within a well-established engineering organisation

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….

Posted: June 2nd, 2026