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    Forward Deployed Engineer FDE Python AWS

    Forward Deployed Engineer (FDE Python AWS SaaS) Manchester / WFH to £8 ...

    Senior Software Engineer AI Platform & Cloud (Hybrid)

    A leading AI company in London is looking for a passionate Senior Software Engineer to design, develop, and implement the Ultralytics HUB, our AI model platform. The role involves building backend services, frontend applications, and managing cloud infrastructure. Ideal candidates should have over 5 years of exp ...

    Software Engineer – AI Powered Scam Defense

    A tech startup focused on combating scams is seeking an entry-level Software Engineer to design and maintain scalable backend services and front-end applications. You will have the autonomy to shape product features while working closely with the founders. Ideal candidates have strong skills in Python or TypeScr ...

    Lead Software Engineer – Scale FinTech Platform & Mentor

    A high-growth FinTech company in the UK is seeking a Lead Software Engineer to guide the development of its core platform capabilities. In this role, you will be responsible for designing, building, and improving cloud-native distributed systems, as well as mentoring other engineers. Candidates must be proficien ...

    Senior PHP Developer

    Our client is a cybersecurity company helping organisations protect sensitive information through large-scale data collection, correlation, and real-time alerting. Their platform supports enterprise and government clients operating in high-trust environments. Overview Our client is building ...

    Senior Full Stack Engineer (Remote) Scalable APIs & UI

    A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include architecting backend services and building responsive front-end int ...

    Engineering Manager, Real‑Time Data & Backend Systems

    A tech company for urban mobility in London is seeking an experienced Engineering Manager to lead a Backend team responsible for core data infrastructure. This role includes mentoring engineers, contributing to scalable systems, and ensuring data reliability. Candidates should have 8+ years in software engineeri ...

    Senior Data Pipeline Engineer AI Driven & Large Scale

    A leading global finance and data company is seeking a Senior Software Engineer to build scalable data pipelines. The role demands strong backend Python expertise, a solid understanding of system design, and experience with ETL workflows. You'll work closely with engineering peers and foster strong relationships ...

    Senior Software Engineer

    As a Senior Software Engineer at noon — the Middle East's leading e-learning platform — you'll build scalable systems that serve millions of learners. Based in London, you'll work on backend architecture, APIs, and data systems in a fast-growing EdTech company with a global engineering team. Skill ...

    Hybrid Senior Revenue Engineer: Pricing & Data Pipelines

    A global urban mobility platform is seeking a Senior Revenue Engineer to enhance their pricing infrastructure. This role involves designing scalable solutions and collaborating across teams to improve pricing models and systems. The ideal candidate has over 5 years of backend engineering experience, particularly ...

    Full Stack Engineer AI Powered Debt Markets Platform

    A leading AI platform for debt markets is seeking a Backend Engineer to develop systems and functionality for their platform using Python. The role involves collaborating with cross-functional teams to design and implement software that delivers value to clients. Ideal candidates will have experience in API deve ...

    Principal Software Engineer Lead Secure UK Systems

    A leading global aerospace and defense technology company in Manchester is seeking a Principal Software Engineer. In this pivotal role, you will design and maintain critical infrastructure, guiding teams through technical challenges. Candidates should have strong experience in backend development technologies su ...

    Applied AI Engineer — Build Production Scale AI Agents & RAG

    A leading AI workflow company in Greater London seeks a Senior Software Engineer to own AI agent infrastructure. The position involves backend development using Python and building AI-powered features in production environments. Candidates should have at least 5 years of professional software engineering experie ...

    London Based Senior AI Product Engineer

    A leading commodities trading company in London is seeking a Senior Product Engineer to closely collaborate with the AI team to develop robust applications that enhance trading operations. Candidates should have 5-8+ years of backend systems experience and expert Python skills, as well as be comfortable with mod ...

    Staff Java Engineer – Supply Chain (Hybrid)

    A major UK retail company seeks a Staff Engineer to influence engineering at scale and shape the future of customer shopping. The role involves driving technical standards and mentoring engineering teams in delivering scalable solutions within a complex supply chain technology landscape. Ideal candidates will ha ...

    Full Stack Engineer Performance & Design Systems

    A leading freelancing platform is seeking a Full-Stack Software Engineer with 2-4 years of experience. You will work across the stack to enhance performance and user experiences. Responsibilities include solving performance issues, optimising load speeds, and collaborating with teams to build scalable systems. C ...

    Senior Full Stack Engineer: AI Platform, Python & React

    A tech recruitment firm based in London is seeking a Senior Full Stack Engineer with experience in Python and modern frontend frameworks like React and TypeScript. In this hybrid role, the engineer will design backend systems, create scalable frontend architecture, and integrate complex systems. The ideal candid ...

    Full Stack Engineer (React/Python) – AI Platform, Hybrid

    An innovative AI company in Bracknell is seeking a Full Stack Engineer to work on a modern tech stack including React and Python. You will be collaborating with a senior team to build new features, improve platform performance, and contribute to technical strategy. The ideal candidate should have experience in b ...

    GenAI Full Stack Engineer — Hybrid London

    83zero is seeking GenAI Full Stack Engineers for hybrid positions based in London. In this role, you will design, build, and scale AI applications while working throughout the full development lifecycle. The ideal candidate will have strong backend experience with Python or TypeScript and familiarity with Genera ...

    Senior Full Stack Engineer: Ground Floor AI Platform Lead

    RGH-Global Ltd is seeking a Senior Full-Stack Software Engineer for a pivotal greenfield project in London. The position involves building a customer-facing platform, backend automation, and architecting technical foundations from the ground up. Ideal candidates will have over 5 years of experience, strong skill ...

    Senior Backend Engineer Remote for AI Medical Platform

    Verisian is seeking a Senior Backend Engineer to join our engineering team in London. You will develop parsers and compilers for statistical languages such as SAS, R, and Python, enhancing our clinical trial platform used for automating analyses and submissions. This role demands extensive experience in Java, a ...

    Senior Software Engineer GenAI & AI Products

    Tesco in Welwyn Garden City is looking for a Software Development Engineer III to lead in developing and operating GenAI-powered products, including LLM applications and workflows. The role focuses on translating complex issues into production-ready solutions while ensuring reliability and user impact. The candi ...

    Impact AI/ML Engineer — Hybrid London, SC Clearance

    iO Associates is seeking an AI/ML Engineer for a hybrid role in London, offering a salary between £100k and £140k, dependent on experience. The ideal candidate will have a strong software engineering background and a passion for turning complex customer problems into impactful solutions. You'll be responsible fo ...

    Associate Backend Engineer Scalable Search for 1M+ Users

    Depop is seeking an Associate Backend Software Engineer to join the Search Retrieval team in London. You will work closely with Product Managers and Data Scientists, producing high-quality code for over 1 million active users daily. The role requires excellent communication skills, a strong sense of ownership, a ...

    Staff Product Engineer — Fintech AI Accounting Platform

    Artifact AI Ltd is looking for a senior backend engineer in Greater London to lead development in a fast-paced environment. The role entails owning significant components of the accounting software, working with Python, and possibly other technologies like Go, Rust, and TypeScript. Ideal candidates will possess ...

    Lead C++ Engineer Low Latency Trading Backend (London)

    A global fintech firm in London is seeking an Engineering Squad Lead for its backend operations. The role involves leading a team to work on low-latency C++ systems, improving delivery processes, and modernising legacy components. Candidates should have strong C++ experience, exposure to Python, and the ability ...

    Senior AI Systems Engineer: Agentic Platforms & Scale

    MA (Montreal Associates) is looking for a Senior Software Engineer in London (Hybrid) to join a cutting-edge AI startup. You will play a pivotal role in designing and scaling an AI platform, influencing architecture, and mentoring engineers. The ideal candidate has strong programming skills in Python or Golang a ...

    Software Engineer, AI Agent Platforms

    WRITER is seeking a highly skilled fullstack software engineer to join its engineering team in Greater London. The successful candidate will design, build, and scale AI-driven systems that enhance workflows across enterprises. Responsibilities involve developing agent-driven services, integrating these capabilit ...

    Lead SDET Backend API & Cloud Automation Architect

    JPMorgan Chase & Co. is looking for a Lead Software Development Engineer in Test (SDET) to design and support automated testing frameworks for backend applications. This role involves collaborating with developers and engineers to deliver high-quality products utilizing Python, Docker, and CI/CD pipelines. The i ...

    Senior Backend Engineer for DAG‑Driven Orchestration

    Jack and Jill AI is seeking a Senior Backend Engineer to design an orchestration layer for deploying autonomous technology in heavy industries. You will build integrations using Python and FastAPI, ensuring platform reliability through CI/CD pipelines. This role offers a chance to directly influence the architec ...

    Senior Full Stack Engineer AI Legal Tech, Global Scale

    Harnham is seeking a senior Full Stack Engineer in Greater London to work on AI-powered legal drafting and document editing. The role involves building and scaling backend foundations, designing APIs, and owning UIs for complex legal workflows. Ideal candidates should have strong skills in Python and/or TypeScri ...

    Founding Full Stack Engineer for AI Platform

    Generative in Greater London is seeking a Full-Stack Engineer to build and scale an AI-driven platform. You'll be part of the founding team and responsible for designing full-stack features using React, TypeScript, and Python, as well as developing scalable backend systems. The ideal candidate has startup experi ...

    Secure Software Engineer for Defense Tech

    SiXworks in Cheltenham is searching for a Software Engineer to work on secure digital solutions supporting Defence and National Security. The role involves designing and building applications in Kotlin Jetpack Compose, implementing backend solutions using Rust, Python, or Go, and optimizing deployment processes ...

    Staff Software Engineer – Provenance & Supply Chain

    Cloudsmith is looking for a Staff Software Engineer in Belfast, Northern Ireland. In this role, you will be responsible for building the provenance ingestion service that provides enterprise customers with end-to-end traceability from source code to built artifacts. The ideal candidate will have 5+ years of back ...

    AI Backend Engineer — LLMs, GenAI & Scalable Systems

    Moody's Corporation is seeking a Software Engineer specializing in AI systems to design and implement scalable, production-grade backend solutions using Node.js and Python. You will collaborate with data scientists and engineers to integrate cutting-edge machine learning techniques, focusing on large language mo ...

    AI Research Platform Engineer – Full‑Stack & Cloud (Hybrid)

    Experis UK is seeking a Software Engineer for an AI Research Platform in Cambridge. This hands-on role involves building and maintaining backend services, developing frontend features, and managing cloud infrastructure. Ideal candidates have strong experience with Python, FastAPI, React, and cloud technologies l ...

    Senior Full Stack Engineer, Promotions Platform

    Wolt is seeking a Senior Full-Stack Engineer to join the Promotions team in London. This position involves building systems for restaurant promotions using technologies like Kotlin, Python, Go, and React. Responsibilities include designing scalable backend services and developing user-facing tools. Candidates sh ...

    Senior Backend Engineer – AI Systems & APIs (Hybrid)

    Harvey Nash is seeking a Senior Software Engineer in Manchester to join an accelerator programme focused on agentic AI systems. This hands-on role emphasizes building high-performance APIs and scalable backend services, ideally requiring a background in Python and/or Golang, with a preference for engineers skill ...

    Senior Data & Orchestration Platform Engineer

    Grapevine in Greater London is seeking a hands-on engineer to develop and enhance the core data and orchestration layers of their platform. Responsibilities include integrating travel data from various systems, ensuring data reliability, and designing seamless messaging workflows across multiple channels. Candid ...

    Senior Fullstack Engineer Commerce & Payments Platform

    Deepstreamtech is looking for a Senior Fullstack Engineer in Greater London to enhance Spotify’s commerce infrastructure. You will develop scalable backend services and frontend components that support payment processing across Spotify products. Collaborating with diverse teams, you'll ensure the payment infrast ...

    Senior Java Engineer – AI Driven Data Platform

    Deepstreamtech is seeking a Senior Java Engineer in Greater London to lead the development of an Index platform for the FTSE-Russell Index Business. Ideal candidates will have over 10 years of backend software engineering experience, including expertise in Java and Python, and will collaborate with teams globall ...

    First AI Engineer Own the AI Platform & Impact

    Halian | Managed Services, Recruitment Agency & Contract Staffing is looking for the first dedicated AI Engineer in Bracknell, UK. This pivotal role involves designing and implementing LLM-based applications, building scalable backend services with Python and Java, and collaborating with cross-functional teams. ...

    Remote Senior Full Stack Engineer Equity + AI Impact

    Cogna, an ambitious early-stage startup in Greater London, seeks a Full-Stack Software Engineer. You will define and maintain backend architecture and APIs while developing frontend interfaces. With at least 8 years of experience, you'll thrive in a fast-paced environment, building scalable microservices using m ...

    Senior Software Engineer — AI‑driven, high‑impact systems

    Amodo Design, a Sheffield-based startup, is seeking an engineer with a strong background in frontend and/or backend development. Successful candidates will design and develop innovative solutions alongside a multidisciplinary team, using languages such as CPP, JS, TypeScript, and Python. The role requires a mini ...

    Full Stack Engineer Scale a Data Driven Insurance Platform

    A leading digital insurance provider in the UK is seeking a Full-stack Engineer to drive software development on their innovative platform generating substantial revenue. You will leverage Kotlin and Python for backend and data services, while creating engaging frontend applications using React and Typescript. T ...

    Backend Engineer Green Energy Platform & Global Growth

    A leading digital energy supplier in London is seeking a Backend Engineer to join their team focused on business energy solutions. The role requires expertise in Python and Django, with an emphasis on building reliable and efficient systems. The ideal candidate will collaborate across teams to innovate while pre ...

    Senior Frontend Engineer for AI Platform UI

    A leading cloud technology company in Greater London seeks a Fullstack Engineer with a strong frontend focus to enhance their AI platform. You'll collaborate closely with design and backend engineers to create fast and intuitive workflows for users. A suitable candidate has substantial experience in React, TypeS ...

    Frontend & Full Stack Engineer for AI‑Driven Platform

    Oritain Global Limited is seeking a Frontend Engineer – Full Stack based in London with a hybrid work model. You will own the reliability and performance of core production systems while building modern React frontends and Python backend services. The ideal candidate has a proven track record in delivering produ ...

    Senior Full Stack Engineer: Ground Floor AI Platform Lead

    RGH-Global Ltd is seeking a Senior Full-Stack Software Engineer for a pivotal greenfield project in London. The position involves building a customer-facing platform, backend automation, and architecting technical foundations from the ground up. Ideal candidates will have over 5 years of experience, strong skill ...

    Lead SDET Backend API & Cloud Automation Architect

    JPMorgan Chase & Co. is looking for a Lead Software Development Engineer in Test (SDET) to design and support automated testing frameworks for backend applications. This role involves collaborating with developers and engineers to deliver high-quality products utilizing Python, Docker, and CI/CD pipelines. The i ...

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      Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights