Software Development Engineer

Software Development Engineer
Hounslow (Hybrid - 50% of the time on site)
12 Month Contract
Up to 430 p/d Umbrella Rate - Inside IR35

Would you like your code to sit inside the software that gets aircraft away on time? This Software Development Engineer contract is with a team building mission-critical airline operations software, from load optimisation and weight and balance to regulatory-compliant load sheets.

You'll design and build APIs, integrations and messaging across a set of connected products, working with Product Managers, Technical Business Analysts, Architects and Quality Engineers in Agile teams. The stack is varied, AI-assisted engineering tools are in everyday use, and your judgement decides what ships. 12 months, hybrid, with half your time on site in Hounslow.

What You'll Be Doing

• Designing and delivering scalable, secure, maintainable software aligned with product and architectural goals
• Building APIs, integrations, messaging and data exchange between interconnected products and services
• Writing automated tests and validation to support quality, reliability and continuous delivery
• Taking part in peer reviews, technical design discussions and architecture reviews
• Using AI-assisted engineering tools, and checking their code, tests and designs against security, performance and operational standards
• Investigating defects, finding root causes and supporting deployment, monitoring and troubleshooting

What You'll Bring

• A degree in Computer Science, Engineering, Information Systems or a related field, plus 3+ years in software development within Agile product teams
• Strong software engineering, solution design and systems modelling skills, with enterprise software experience
• A good understanding of APIs, integrations, distributed systems and software architecture principles
• Experience with automated testing, source control, CI/CD and DevOps practices
• Confident use of AI-assisted engineering tools, and the judgement to challenge what they produce

Desirable: airline or airport operations (flight operations, weight and balance, load control, baggage or ramp), mission-critical, safety-critical or regulated systems, event-driven, service-oriented or cloud-native architectures, observability, monitoring or SRE, SQL, messaging and event streaming, AI-DLC practices, AI-powered or agentic software

Apply today with your CV for this Software Development Engineer contract and we'll be in touch.

This role may suit candidates who have held roles including: Software Engineer, Software Developer, Backend Developer, Integration Engineer, API Engineer, Application Developer

Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd acts as an Employment Business in relation to this vacancy.