Work with Python, SQL, JavaScript/TypeScript, NumPy, Pandas/Polars, visualization libraries, and deep learning frameworks (PyTorch, JAX, or TensorFlow) to design and deploy full-stack data-driven applications and machine learning solutions. You will be embedded with Arsenal's Men’s First Team Analysis department, building tools that directly support coaching and analysis workflows.

You will work with Azure, CI/CD pipelines, test automation, and modern front-end frameworks/libraries, applying WCAG 2.2 AA and Core Web Vitals. As a Lead Engineer on Canada Life UK’s Digital technical leadership team, you will specialise in UI/UX, accessibility, and front-end performance for customer-facing digital products serving retirement, investment, and protection needs.

VueJS 3, JavaScript (ES6), HTML5, CSS3 (SASS), RESTful APIs, GIT, Azure DevOps (CI/CD), Jest, Cypress/Playwright. Build and maintain modern web applications, developing reusable UI components and ensuring responsive, accessible, performant frontends.

You will work with Python as a full-stack developer. The company develops advanced artificial intelligence and machine learning solutions for defence, security and other demanding real-world environments, specialising in computer vision.

Full Stack Developer role using C#, .NET, JavaScript, and Umbraco for an established luxury travel company. The work involves a major transformation programme building web-based tools to automate operational tasks, improve pricing accuracy and management information, plus website enhancements.

You'll work with JavaScript, Java, .Net, or Python; version control (e.g., Git, Mercurial); CI/CD tools (e.g., Jenkins, TeamCity); and automated testing frameworks. The team collaboratively designs and builds proof-of-concept or production systems.

You'll work with AWS, MySQL, Angular, Bootstrap, Kotlin, Spring Boot, microservices, IBM watsonx AI, and third-party integrations (Intercom, GetAccept, Calendly). The role covers MyIntent, Bequeathed's platform for online will-writing and expanding later-life services like LPAs and estate administration, delivered as SaaS via B2B2C partners. It's a senior individual-contributor role with technical leadership, not large-team management.

You will work with React, modern JavaScript/TypeScript, and APIs. As part of a fintech engineering team, you'll build data-intensive platforms that support business-critical workflows, taking ownership of features from design to deployment.

You’ll work with Python, Docker, CI/CD, AWS or Azure, SQL, Linux, Bash, Git/GitHub, and optionally Streamlit, Rust/C/C++ or React. You’ll join the Internal Tools team at an AI scale‑up building the systems that deploy, operate and scale its flagship AI product for data‑centre energy efficiency.

Work with Java, Spring Boot (including Batch and Cloud), microservices, REST API, GraphQL, NoSQL (Azure Cosmos DB), Confluent Kafka, OAuth 2.0, Microsoft Entra ID, and Azure Cloud Services (App Services, Azure Monitor, API Management). You will build and maintain backend services for an unspecified product or project at Infinity Quest.

Working with Python, Java, Selenium, Appium, Espresso, Jenkins, GitHub Actions, Azure DevOps, Android AOSP, Linux, and REST/IPC APIs, you will design automated test frameworks for embedded and connected hardware. This role supports Medtronic’s Touch Surgery video platform and DS1 Computer, which use AI and augmented reality to improve surgical safety in the operating room.

Appvia★0.0· London

You’ll work with Java, Spring Boot, TypeScript, MongoDB, Docker, Kubernetes, Maven, and GitLab. You’ll join a client-facing software engineering practice delivering a modernisation and AI-enabled transformation programme as a greenfield build within a brownfield ecosystem.

You'll work with AWS, GCP, SIEM, EDR, DLP, MDM, Python, Go, and TypeScript. Risk Ledger builds a network for supply-chain organisations to share security maturity and visualise risks. You'll mature security operations, detection, incident response, and cloud security across cloud, endpoint, and SaaS environments.

You will build and maintain data-focused, high-performance front-end products using JavaScript/TypeScript, with server-side languages (C#, Java, NodeJS, SQL) and frameworks like React/Redux as nice-to-haves. The Trade Desk is a global digital advertising platform, and you'll own full-lifecycle development of features for user-facing interfaces. With 7+ years of experience, you'll work on an agile, distributed team spanning multiple time zones and continents.

You'll work with React (Vite), Tailwind, Node.js, Express, tRPC, PostgreSQL, and Elasticsearch, building scalable APIs and front-end features. The company is a high-growth B2B SaaS firm creating an advanced property data platform for UK property professionals, integrating thousands of data sources. This hands-on leadership role also involves mentoring engineers and shaping architecture.

Backend QA Engineer for Lush's Digital team, testing GraphQL/REST APIs, databases (PostgreSQL, MySQL, MongoDB, DynamoDB), and microservices using TypeScript, Python, Docker, and CI/CD. Builds automated test frameworks, validates data workflows with SQL/NoSQL, and runs performance/security tests (k6, JMeter, OWASP). The team drives a global digital transformation of the company's platform.

Zaizi★4.0 (5)· London

Senior Full Stack & Systems Engineer building mission-critical web apps and API backends for MoD programmes using TypeScript, Node.js, React, Python, Kotlin, Android ART, IPC/AIDL, and CI/CD tools (Docker, GitOps, GitLab CI/GitHub Actions). The role also integrates low-level systems on tactical edge platforms (TAK) with Cursor-on-Target data routers.

You will use HTML, CSS, JavaScript, React or Angular, CMS tools like WordPress and Drupal, and Adobe Creative Suite. As a remote web designer for a UK-based digital studio, you will design and develop client websites, creating wireframes, mockups, and prototypes.

You will design, build, and maintain systems fusing software, hardware, and networks for an AI-powered industrial robot control layer, working with 3D CAD, vision sensors, computer vision models, robot motion planning, and edge compute. The team builds and deploys robotic solutions for real-world manufacturing, starting with welding. This is a founding role on a multi-disciplinary product engineering team.

Meta★4.0 (1.1k)· London

You will work with languages such as C++, Java, Swift, Kotlin, Python, JavaScript, and Hack, plus AI tools for workflow optimization. The team builds and improves cutting-edge mobile and web products that connect billions of people globally.

Build REST and GraphQL APIs and MCP servers in Python (FastAPI, Flask) to expose ML models from Databricks to internal apps, CRM platforms, and AI agents at RBC. Work within the Data Science team to architect the serving layer, handling contract design, authentication, and documentation.

Build scalable backend services and APIs using Go, Python, or C++, and develop modern frontend applications with React and TypeScript. This role is at an AI company building a platform that combines computer vision, multimodal AI, and real-time data. You will ship AI-powered features end-to-end while working with systems like Kubernetes and AWS.

You'll build the Backend-for-Frontend layer for a greenfield mobile app using Python (FastAPI) or TypeScript, GraphQL, and mobile APIs, with cloud infrastructure on AWS and Kubernetes. This AI-powered FinTech platform serves global banks, private equity, and asset managers, transforming data infrastructure and workflow automation across financial markets. You'll be the first engineer on this greenfield project, owning the BFF layer at the intersection of mobile, platform, AI, and data engineering.