Junior Software Engineer – Hybrid, London (UK) £35,000 – £45,000 discretionary bonus Central London – hybrid (3 days per week on-site) Permanent, full-time A growing data and technology start-up in the transport sector is looking for a Junior Software Engineer with 1–2 years of commercial experience to join its small, fast-moving team of nine. You’ll work across the full stack, helping to build data-driven solutions that address real-world infrastructure challenges. What you’ll do Develop and maintain back-end systems using Python Build and query data pipelines with SQL (PostgreSQL/SQL Server) Create modern, intuitive UIs with React and TypeScript Collaborate closely with clients to deliver impactful, practical solutions Contribute to architecture discussions and full software development cycles What you’ll bring 1–2 years of commercial experience in software or data engineering Strong coding skills in Python, SQL, and React Interest in cloud platforms (AWS/Azure), Docker, or streaming tools such as Kafka or Spark is a plus Self-starter mindset and comfort working in a start-up environment Package and perks £35k–£45k base salary plus discretionary bonus 28 days holiday plus pension Cycle-to-work scheme Tailored training and development support