Software Development Engineer III
Location
welwyn garden city, england
Job Type
Full-time
Category
IT & Technology
Posted
June 20, 2026
The Product & Engineering team is responsible for designing, building and scaling Data & AI products that power intelligent experiences, decisions and actions across the Tesco ecosystem. The role is hybrid, requiring presence at London or Welwyn Garden City offices 3 days a week. The following outline presents the key responsibilities, qualifications, and benefits.
Responsibilities
- Software Development Engineer III – senior, hands‑on engineer specialising in building and operating GenAI powered products, including LLM based applications and agentic workflows that enable intelligent decision making and automation.
- Work across the full product lifecycle, translating complex business problems into production‑grade solutions across data, backend services, APIs and user‑facing applications, with focus on reliability, guardrails and real user impact.
- Provide technical leadership by designing shared GenAI capabilities, supporting live systems ...