Back-end Engineer
London, United Kingdom · LondonEngineer$80k–$150kPosted Jun 11, 2026
Back-end Engineer LocationLondonEmployment TypeFull timeLocation TypeHybridDepartmentEngineeringThe Role We are looking for brilliant engineers to join our team at Magentic. We’re pushing the boundaries of AI with next-generation agentic systems that can manage entire workflows. We’re focusing on a three trillion dollar market of supply chains and procurement.Our mission is to make global manufacturing supply chains robust to an ever-changing world, and to harness the potential of generative AI through thoughtful deployment, maximising benefits while prioritising ethical use and safety.You’ll own full-stack features end-to-end, with a focus on building for enterprise data requirements. You will collaborate closely with customer teams to architect and implement sophisticated data pipelines and APIs, directly fueling our cutting-edge agentic AI with terabytes of real-world supply chain data. You will be instrumental in shaping solutions for enterprise clients, all while learning and growing your AI skills in a truly AI-first company at the forefront of agentic systems.What You’ll DoDesign & build scalable, performant backend services and data pipelineswritten in Python and deployed with Docker & Kubernetes.Integrate with enterprise ecosystems - enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar).Wrangle large, heterogeneous data sets - model, transform, and index multi-modal, multi-terabyte enterprise datasets for advanced workloadsDevelop enterprise-level next generation AI systems with the support of Magentic’s AI specialistsShip complete customer features - from architecture and code to CI/CD, infra-as-code (Terraform), rollout, and user training.Collaborate directly with executives & operators - run white-boarding sessions, turn ambiguous requirements into concrete specs, demo weekly, and iterate fast.Champion observability & reliability - instrument services with OpenTelemetry, define SLIs/SLOs, and automate incident response.Contribute across the stack - build lightweight front-ends when needed and pair with ML engineers on inference and evaluation pipelines.You Might Be a Great Fit if YouHave 6+ years of professional software-engineering experience.Are fluent in Python and comfortable in TypeScript/JavaScript.Have built and operated data-intensive systems (batch & streaming) in a cloud environment (AWS, GCP, or Azure).Know your way around relational, columnar, and KV/graph databases - and when to use which.Have integrated with real-world enterprise stacks - authentication, SSO, legacy ERPs, message queues, ETL tools.Can take a loosely defined problem, sketch an architecture, and deliver a production-ready solution in weeks, not months.Communicate clearly with both engineers and business stakeholders; you enjoy hopping on a customer call to debug an API contract.Thrive in an early-stage, high-ownership environment - prototype today, deploy tomorrow, iterate next week.Bonus PointsExperience deploying or consuming LLM-powered services (OpenAI, open-source models, RAG, vector stores) can be a bonus. However, we consider many great candidates without previous AI experience.Familiarity with supply-chain, procurement, or manufacturing domains. Compensation And BenefitsAt Magentic, we recognise and reward the talent that drives our success. We offer:Competitive Equity: play a real part in Magentic’s upsideA salary of £125,000 - £140,000 per annumVisa sponsorship availableIn-office lunches providedMonthly organised socials and an additional flexible monthly social budget for team lunches, coffees, dinners, or activities with colleaguesSalary sacrifice pension and nursery schemesHybrid London HQ (3-4 days in the office/customer site)Annual team retreat—a fully-funded off-site to recharge, bond, and buildOur interview processWe can move quickly through these stages, so let us know if you have any timelines we need to meet.Initial call (30 mins): this first step is...