726 to 750 of 834 Permanent Anthropic Claude Jobs

Research Engineer, Machine Learning (Reinforcement Learning)

Hiring Organisation
Humanloop
Location
London, UK
Employment Type
Full-time
group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the teamsOur Reinforcement Learning teams lead Anthropic's reinforcement learning research and development, playing a critical role in advancing our AI systems. We've contributed to all Claude models, with … significant impacts on the autonomy and coding capabilities of Claude Sonnet 4.5 and Opus 4.5. Our work spans several key areas: Developing systems that enable models to use computers effectivelyAdvancing code generation through reinforcement learningPioneering fundamental RL research for large language modelsBuilding scalable RL infrastructure and training methodologiesEnhancing model ...

Senior Backend Engineer

Hiring Organisation
Calyptus
Location
Greater London, England, United Kingdom
contributing to engineering best practices as the team scales from ~7 to 30+ people Tech stack Python, FastAPI, PostgreSQL, ClickHouse, SQL, LLMs (OpenAI, Anthropic), Embeddings/Vector DBs, AI coding tools (Cursor, Claude) ______________________________________________________ Genuine opportunities Every role advertised by Calyptus is a live position we’re actively recruiting ...

AI Automation Engineer

Location
United Kingdom
Design and implement AI-driven automation workflows using tools like Zapier, Make (Integromat), and custom APIs Integrate large language models (LLMs) such as OpenAI, Claude, or similar into business processes Build and maintain automation pipelines for sales, marketing, and customer support functions Develop scripts and backend logic (Python, JavaScript … integration, or workflow automation Strong experience with automation platforms (Zapier, Make, n8n, or similar) Hands‐on experience with AI tools and APIs (e.g., OpenAI, Anthropic, Hugging Face) Proficiency in Python and/or JavaScript Experience with REST APIs, webhooks, and database integrations Familiarity with CRM systems (e.g., HubSpot, Salesforce ...

Full Stack Developer

Location
City Of London, England, United Kingdom
first‐class building material, not a bolted‐on feature. Internal agents, classification flows, copilots, intake pipelines and editorial assistants. Work hands on with Claude and other LLM tooling. Design flows that handle failure modes well and that people return to. Spot what should be productionised. Pubity is a Claude ...

Founding GTM Engineer

Location
Greater London, England, United Kingdom
automatically test, enforce, and continuously improve these policies at scale. We’ve raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others We process over 100M+ API calls every month We fine-tune and train our own LLMs so they … role where you were building automations and pipelines Experience designing and scaling systems in a high-growth company Hands-on with modern GTM tooling - Claude Code, Clay, Apollo, Instantly, n8n or similar - you've built multi-step enrichment and sequencing workflows, not just set up a table Comfortable with ...

Forward Deployed AI Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
problems in the market across every industry. Key Responsibilities Embed directly with client engineering and business teams to deploy, scale, and operationalize AI platforms Anthropic, OpenAI, Microsoft, Google, Salesforce, SAP, or Palantir inside enterprise environments Own production outcomes end-to-end: time-to-value, reliability, adoption velocity, and scalability … microservices, containerization, serverless). Deepexpertisein designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Experience with AI platforms OpenAI, Claude, Vertex AI, plus open-source models including building abstraction layers to manage multi-provider pipelines. Experience deploying toproduction,CI/CD, infrastructure as code ...

Forward Deployed AI Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
hardest enterprise AI problems in the market across every industry. Key Responsibilities Lead enterprise AI platform deployments across complex multi-stakeholder client environments Anthropic, OpenAI, Microsoft, Google, Salesforce, SAP, or Palantir owning the fullprogrammefrom architecture through adoption Ownprogramme-level delivery outcomes: time-to-value, reliability, adoption velocity, and scalability … microservices, containerization, serverless). Deepexpertisein designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Experience with AI platforms OpenAI, Claude, Vertex AI, plus open-source models including building abstraction layers to manage multi-provider pipelines. Experience leading software engineering teams: overseeing delivery,allocatingresources across ...

Senior AI Consultant (m/f)

Hiring Organisation
SQLI
Location
London, UK
Employment Type
Full-time
able to explain technical concepts to non-technical audiences and adapt the message to the room AI-first working style. You use AI tools (Claude in particular, also ChatGPT and others) daily to brainstorm, research, generate, and accelerate your own work, while staying in control and challenging the output … when it is wrong Practical understanding of Claude Code, Cowork, plugins and skills, MCP connectors, and what an AI agent actually is and is not Technical background sufficient to discuss enterprise architecture, integrations, and data flows at a senior level, even if you are not the deepest technical voice ...

Power Platform Developer

Hiring Organisation
TRIA
Location
City of London, London, United Kingdom
automation can be applied effectively in a large business. A varied technical landscape – you'll work across Power Automate, Power Apps, Copilot, Claude, SharePoint and Teams, with the opportunity to develop further into areas such as Python, SQL, APIs, Databricks and AI agents. Desired background/skillset: Some practical … Python, SQL Microsoft Power Automate, Power Apps and Microsoft 365, particularly SharePoint and Teams. Experience using generative AI tools such as Microsoft Copilot or Claude, whether professionally, academically or through personal projects. A STEM graduate Good problem-solving skills and the confidence to investigate straightforward issues, while knowing when ...

AI & Automation Specialist Operational Excellence London

Location
Greater London, England, United Kingdom
pillar designs how operations should work. This role builds what that looks like in practice. You'll use modern AI‐assisted development tools, Cursor, Claude Code, n8n, and LLM APIs, to rapidly prototype and ship internal tools that eliminate manual effort across our operational teams. Your primary customers … mostly runs itself. Process Architects redesign how work flows; you make the new flow real. What You'll Do Use AI‐assisted development (Cursor, Claude Code) to prototype and ship tools for operational teams – fast. Build workflow automations that connect case management systems, document stores, APIs, and LLMs into ...

AI & Automation Specialist

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
pillar designs how operations should work. This role builds what that looks like in practice. You'll use modern AI-assisted development tools, Cursor, Claude Code, n8n, and LLM APIs, to rapidly prototype and ship internal tools that eliminate manual effort across our operational teams. Your primary customers … that mostly runs itself. Process Architects redesign how work flows; you make the new flow real. What You'll DoUse AI-assisted development (Cursor, Claude Code) to prototype and ship tools for operational teams - fast. Build workflow automations that connect case management systems, document stores, APIs, and LLMs into ...

Integration and Automation Engineer

Location
Cambridge, England, United Kingdom
including knowledge base, FAQs, and agentic or assisted chat Build and maintain integrations across Box, JIRA, HiBob, and other platforms Develop MCP-based and Claude Code-driven automations to remove manual handoffs between teams Ensure automations affecting validated or GxP-relevant systems are version-controlled, peer-reviewed, documented … close equivalents Experience with version control using Git Experience with change-managed delivery workflows Ability to work with AI/LLM tooling, preferably Claude Code Prompt design and evaluating AI output quality Clear written communication and documentation skills Prior experience in a regulated environment such ...

Senior Backend Engineer

Location
United Kingdom
legacy platform remains active while domains migrate. Our small, senior team works closely with the business. We ship on a modern stack and use Claude Code by default. We seek a pragmatic engineer who takes ownership across new and legacy platforms and delivers reliably. Responsibilities Work in a domain … safe to switch. Strong legacy-stack instincts matter here (as does experience implementing the Strangler Fig pattern successfully). Push agentic coding. Claude Code, Copilot, Cursor, or whatever ships fastest. Contribute back to our shared foundational framework. Communicate with the business. Operations, clinical, finance, commercial. Understand how the work ...

Technical Patent Associate (STEM Graduate)

Hiring Organisation
Patlexa
Location
London, England, United Kingdom
candidates to become highly-productive technical experts who deliver complex patent litigation support work for major global law firms. Our technical patent associates use Claude Code, GPT Codex, Python, SQL, and Patlexa's proprietary application in their day-to-day work. A core part of the role is bespoke … identification of potential technical witnesses. Deliver findings as precise, fully-cited, client-ready work product. Agentic Research Automation. Use agentic AI tools such as Claude Code and GPT Codex, together with Python scripts and SQL queries against relational databases, to automate and scale research: bulk document analysis, patent-data ...

Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Hull, North Humberside, North East, United Kingdom
Employment Type
Permanent
Salary
£45,000
MySQL Cloud & DevOps Docker Google Cloud Platform CI/CD Additional Technologies Microservices React Native (desirable) Jira & Bitbucket AI-assisted development tools (e.g. Cursor, Claude) Skills & Experience Essential Strong commercial experience with Vue.js and Nuxt.js Solid JavaScript and/or TypeScript experience Experience building responsive, customer-facing web applications … development experience React or React Native exposure Docker and Google Cloud Platform experience Microservices architecture Experience using AI coding assistants such as Cursor or Claude If you're a frontend-leaning Full Stack Developer looking to work with modern technologies in a business that is investing heavily in digital ...

AI Enablement Lead – Software & Product Engineering

Hiring Organisation
SF Technology Partners
Location
England, United Kingdom
assisted software development, agents, skills, development workflows, automated testing and review, and new approaches to how software is planned, built and maintained. Experience with Claude Code, GitHub Copilot or comparable AI development tooling would be highly relevant. You’ll embed with teams and work squad by squad, helping engineers … GenAI within software and product development and be able to talk specifically about what you personally built, implemented or changed. Relevant experience could include: Claude Code, GitHub Copilot or similar AI development tooling Agents, skills and agentic workflows AI development harnesses and orchestration AI assisted software engineering Automated testing ...

AI Enablement Lead - Software & Product Engineering - Urgent Contract (outside IR35)

Hiring Organisation
SF Partners
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £1,250.00 per day
assisted software development, agents, skills, development workflows, automated testing and review, and new approaches to how software is planned, built and maintained. Experience with Claude Code, GitHub Copilot or comparable AI development tooling would be highly relevant. You’ll embed with teams and work squad by squad, helping engineers … GenAI within software and product development and be able to talk specifically about what you personally built, implemented or changed. Relevant experience could include: Claude Code, GitHub Copilot or similar AI development tooling Agents, skills and agentic workflows AI development harnesses and orchestration AI assisted software engineering Automated testing ...

Principal Engineer

Location
Manchester, England, United Kingdom
years ago a strong engineer was measured by what they could build and how well they could mentor others to build it. Today, with Claude Code and agents, we produce quality work at a speed that would have looked superhuman in 2022. What separates exceptional from good … that end. And you are relentlessly curious beyond any immediate need, wanting to know how the database actually stores things or why a Claude Opus inference call costs what it does, which keeps you several layers ahead while the rest of the team is still reading the API docs. ...

Principal Engineer

Location
Leeds, England, United Kingdom
years ago a strong engineer was measured by what they could build and how well they could mentor others to build it. Today, with Claude Code and agents, we produce quality work at a speed that would have looked superhuman in 2022. What separates exceptional from good … that end. And you are relentlessly curious beyond any immediate need, wanting to know how the database actually stores things or why a Claude Opus inference call costs what it does, which keeps you several layers ahead while the rest of the team is still reading the API docs. ...

Principal Engineer

Location
Greater London, England, United Kingdom
years ago a strong engineer was measured by what they could build and how well they could mentor others to build it. Today, with Claude Code and agents, we produce quality work at a speed that would have looked superhuman in 2022. What separates exceptional from good … that end. And you are relentlessly curious beyond any immediate need, wanting to know how the database actually stores things or why a Claude Opus inference call costs what it does, which keeps you several layers ahead while the rest of the team is still reading the API docs. ...

Principal Engineer

Location
City of Edinburgh, Scotland, United Kingdom
years ago a strong engineer was measured by what they could build and how well they could mentor others to build it. Today, with Claude Code and agents, we produce quality work at a speed that would have looked superhuman in 2022. What separates exceptional from good … that end. And you are relentlessly curious beyond any immediate need, wanting to know how the database actually stores things or why a Claude Opus inference call costs what it does, which keeps you several layers ahead while the rest of the team is still reading the API docs. ...

Data Scientist, AI Agents

Location
Greater London, England, United Kingdom
encodes your judgement. If the data is wrong, you feel it personally. Agent‐Led Data Pipelines. Build and run data pipelines using AI agents (Claude Code, Cursor, agentic workflows). You’re not doing manual extraction—you’re designing systems that extract reliably at scale. Prompt chains, validation steps … queried tables. You’ve debugged data issues that took days to find. AI‐native (for real). You actively use AI coding tools—Cursor, Claude Code, or similar—for real work, not just experiments. You know the difference between chat‐based prompting and agentic workflows. You’ve built things ...

Global Product Director

Location
Greater London, England, United Kingdom
enterprise GenAI products in their day-to-day work. You will own a portfolio that includes enterprise SaaS products such as ChatGPT and Claude, BCG's AI Workbench, and the management of AI consumption across the organization. You will set the product direction and translate evolving business needs, user … strategy, roadmap, and performance of the CT Workspace product portfolio. Lead enterprise adoption and value realization for GenAI products, including ChatGPT, Claude, and AI Workbench. Own AI consumption management, using data and insights to guide usage, investment, and optimization decisions. Build strong relationships with senior leaders, aligning priorities ...

Software Engineer C++

Location
Birmingham, England, United Kingdom
part of everyday engineering work, and helping solve real customer problems. Responsibilities AI-assisted development Use AI-assisted tools (e.g., Cursor, GitHub Copilot, Claude) for planning, implementation, refactoring, debugging, test generation, and documentation, always validating output for correctness, security, performance, and maintainability. Apply AI effectively in troubleshooting and code … Electronics Engineering, or a related technical field. 2+ years of professional software development experience. Proficiency using AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude) as part of daily development, with disciplined review and validation of generated code. Strong object-oriented programming in C++ , including modern C++ practices ...

Software Engineer C++

Hiring Organisation
Autodesk
Location
Birmingham, UK
Employment Type
Full-time
assisted development as part of everyday engineering work, and helping solve real customer problems. ResponsibilitiesAI-assisted developmentUse AI-assisted tools (e.g., Cursor, GitHub Copilot, Claude) for planning, implementation, refactoring, debugging, test generation, and documentation, always validating output for correctness, security, performance, and maintainability. Apply AI effectively in troubleshooting … Engineering, or a related technical field.2 to 4 years of professional software development experience. Proficiency using AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude) as part of daily development, with disciplined review and validation of generated code. Strong object-oriented programming in C++, including modern C++ practices ...