Junior Application Software Developer

Junior Software Engineer (Application Development) Location: Commutable to Herefordshire, Cheltenham, and Bristol – mainly on-site (4 days per week on customer site, 1 day remote as appropriate). Clearance: Must be eligible and willing to undergo DV clearance (British Citizen, UK residency last 10 years). What You’ll Do Contribute to development of web applications, APIs, and service-based tools used in operational environments.

Write and maintain code primarily in Python (and C++ where performance or legacy components require it). Support UI and backend implementation (e.g., web UIs, REST APIs, data processing services). Build automation and data‑processing utilities to streamline workflows.

Participate in testing, debugging, and quality activities with coaching. Help refine requirements and implement features within a cross‑functional team. Contribute to documentation and follow traceable, peer‑reviewed Git practices aligned with governance policies.

Essential Requirements Hands‑on software development experience (academic, hobbyist, internship, or professional). Working knowledge of Python (and/or C++ or another modern language). Understanding of core engineering practices: modularity, testing basics, version control.

Familiarity with Linux and/or Windows development environments. Curiosity, strong problem‑solving, and ability to take feedback constructively. Desirable Exposure to web frameworks (FastAPI, Flask, Django) and REST APIs.

Basic frontend awareness (HTML/CSS/JavaScript, or a framework such as React/Vue). Secure coding awareness (input validation, secrets handling, logging hygiene). Experience with containers (Docker) or CI basics.

Education & Qualifications Degree in Computer Science / Software Engineering (or equivalent experience). Professional membership (BCS, IET) is a plus. Pay Range £47,600.00 – £61,000.00 Benefits Benefits include competitive compensation, health and wellness programs, income protection, paid leave, and retirement plans.

Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr