Mid-level Software Engineer role using Python, Git, GitHub/GitLab, TDD, unit/automated testing, Unix, and agile frameworks. You will work on Suade’s regtech SaaS platform that automates regulatory reporting, compliance, and financial risk solutions for Tier 1 banks.

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.

Design and evolve multi-agent systems and LLM pipelines on AWS Bedrock using LangGraph, Strands, Python, and frameworks like CrewAI. You will architect agent topologies, manage cloud infrastructure (ECS Fargate, Lambda, Step Functions), and build evaluation frameworks for AMPLIFYR’s AI-powered brand analytics platform.

Build and ship AI features using Python, PyTorch/JAX, LLMs (OpenAI-style APIs, LLaMA, Qwen), vLLM, and vector DBs. You'll work on a proactive smart assistant that handles long-running workflows, persistent context, multi-step reasoning, and external tool interaction for everyday users.

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.

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.

Escalent★3.6 (38)· London

You’ll work with Python and frameworks like Django, Flask, or FastAPI, building RESTful APIs, microservices, and data pipelines while integrating AI/ML models and LLM APIs. Tech includes SQL/NoSQL databases, AWS/Azure, Docker, Kubernetes, and CI/CD. Escalent is a data analytics and advisory firm, and you’ll develop AI-powered applications and intelligent workflows in its cloud-native environment.

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 Kubernetes, Terraform, Python, AWS or GCP, and CI/CD tools (GitHub Actions, GitLab CI, Argo CD), plus observability stacks (Datadog, Prometheus, Grafana). You'll bring SRE discipline to an AI platform hosting model serving, agent orchestration, and batch inference.

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.

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.

Develop agentic AI applications with Python, LLMs (OpenAI, Anthropic), and frameworks like LangGraph or CrewAI, building REST APIs and integrating cloud services (AWS, Azure, GCP). This contract role involves AI solutions for a client in financial services, working with structured financial data and collaborating with product and engineering teams.

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.

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.

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.

Capgemini★3.7 (11k)· London

Work with LLMs, vector databases, prompt engineering, multi-agent frameworks, and AWS (SageMaker, ECS, Fargate, Docker, Kubernetes) to design reusable architecture patterns and integrate GenAI into enterprise applications, APIs, and data ecosystems. The role builds AI-powered solutions for Capgemini, an AI-powered global business and technology transformation partner.

Senior Machine Learning Engineer building production AI systems that help UK consumers find financial products. You'll use Python, MLflow, Kubernetes, Databricks, Airflow, LangChain/LangGraph, Terraform, and CI/CD pipelines to design and deploy batch and real-time ML models, LLM-powered capabilities, and monitoring tooling. You'll work closely with data scientists, engineers, and product teams to productionise experimental models and evolve the internal ML platform.