Permanent Anthropic Claude Job Vacancies

26 to 50 of 91 Permanent Anthropic Claude Jobs

Backend Software Engineer

United Kingdom
Hybrid / WFH Options
Hassean Health
working at the frontier of health and technology. What You’ll Do Design and implement secure, scalable backend systems and databases Build APIs that connect with modern LLMs (OpenAI, Claude, open-source models) Own and evolve infrastructure (some DevOps responsibilities included) Contribute to architecture decisions and write clean, maintainable code Collaborate across disciplines to ship impactful features quickly Help More ❯
Posted:

Backend Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Hassean Health
working at the frontier of health and technology. What You’ll Do Design and implement secure, scalable backend systems and databases Build APIs that connect with modern LLMs (OpenAI, Claude, open-source models) Own and evolve infrastructure (some DevOps responsibilities included) Contribute to architecture decisions and write clean, maintainable code Collaborate across disciplines to ship impactful features quickly Help More ❯
Posted:

Full Stack Engineer

United Kingdom
Menlo Ventures
native technologies to combat modern cyber threats. We're building a team of top-tier engineers who are excited to use Generative AI tools like Cursor, GitHub Copilot, and Claude to redefine how software is built-faster, smarter, and more efficient. We are seeking a highly skilled Software Engineer II to help shape the future of AI-powered application More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Solutions Architect

London, United Kingdom
Fifth Dimension AI
at early-stage and growing B2B SaaS companies Strong technical background with hands-on experience implementing enterprise software solutions Demonstrated expertise in prompt engineering and LLM application development (ChatGPT, Claude, or similar) Experience working directly with enterprise customers to gather requirements and design solutions Exceptional problem-solving skills and attention to detail, particularly with document-intensive workflows Outstanding communication More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Digital Specialist

London Area, United Kingdom
Hybrid / WFH Options
Vixio Regulatory Intelligence
awareness and lead generation Manage website content and SEO strategy, including keyword research, on-page optimisation, and backlink development to boost organic visibility Leverage AI and LLMs (e.g., ChatGPT, Claude, Jasper) for content generation, producing ad copy, blog articles, and personalised email campaigns Craft and refine AI prompts to ensure consistent, brand-aligned messaging across all content Implement automation More ❯
Posted:

Digital Specialist

City of London, London, United Kingdom
Hybrid / WFH Options
Vixio Regulatory Intelligence
awareness and lead generation Manage website content and SEO strategy, including keyword research, on-page optimisation, and backlink development to boost organic visibility Leverage AI and LLMs (e.g., ChatGPT, Claude, Jasper) for content generation, producing ad copy, blog articles, and personalised email campaigns Craft and refine AI prompts to ensure consistent, brand-aligned messaging across all content Implement automation More ❯
Posted:

Digital Specialist

South East London, England, United Kingdom
Hybrid / WFH Options
Vixio Regulatory Intelligence
awareness and lead generation Manage website content and SEO strategy, including keyword research, on-page optimisation, and backlink development to boost organic visibility Leverage AI and LLMs (e.g., ChatGPT, Claude, Jasper) for content generation, producing ad copy, blog articles, and personalised email campaigns Craft and refine AI prompts to ensure consistent, brand-aligned messaging across all content Implement automation More ❯
Posted:

Lead Software Engineer

City of London, London, United Kingdom
Beam
Breadth of experience across infrastructure, backend and frontend technology stacks We use the latest Ruby on Rails, Turbo, Phlex, AlpineJS, TailwindCSS, AWS, PostgresSQL to name a few technologies. OpenAI & Claude for LLM interfacing We are not wedded to them and will rapidly evolve over the next 3-6 months with the right technologies Has worked in complex software systems More ❯
Posted:

Lead Software Engineer

London Area, United Kingdom
Beam
Breadth of experience across infrastructure, backend and frontend technology stacks We use the latest Ruby on Rails, Turbo, Phlex, AlpineJS, TailwindCSS, AWS, PostgresSQL to name a few technologies. OpenAI & Claude for LLM interfacing We are not wedded to them and will rapidly evolve over the next 3-6 months with the right technologies Has worked in complex software systems More ❯
Posted:

Generative AI Lead

London, United Kingdom
Hybrid / WFH Options
Motorway
Deep understanding of evaluation strategies and observability tools for assessing AI performance, reliability, robustness, cost, and overall effectiveness. Expertise with SOTA LLMs such as Gemini, GPT/o-series, Claude, Deepseek, Llama 4, etc. Experience with Google's Gemini/Gemma LLMs are preferred. Desirable: Experience prototyping user-facing interfaces using Python front-end frameworks such as Streamlit or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior AI Analyst

London, United Kingdom
Monica Vinader
Proven experience in an analytics, data ops or technical operations role (internships count). Technical toolkit: experience with Python or TypeScript skills; experience calling any GenAI model (OpenAI, Gemini, Claude, or OSS) and automating workflows in tools such as n8n, Zapier or Retool. Analytical mindset: SQL skills, basic statistics and an eye for commercial KPIs. Portfolio of curiosity: side More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Growth Marketing Manager

London, United Kingdom
Hybrid / WFH Options
Birdie
develop effective multi-touch customer journeys that blend online and offline touch points. AI & Tool Innovation : Stay curious about new tools, especially AI, and actively test multiple models including Claude, Perplexity, ChatGPT and Gemini. Birdie is committed to an AI-driven future in marketing, and our values encourage you to test, iterate and learn. Metric-Driven Decision Making : Focus More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.Net Developer with Security Clearance

Chantilly, Virginia, United States
Hybrid / WFH Options
Gridiron IT Solutions
RAG (Retrieval-Augmented Generation) operations to enhance AI model performance Create and maintain prompt workflows for various AI tasks Integrate and work with AWS Bedrock and Bedrock knowledgebases Utilize Anthropic Claude Sonnet for advanced language processing tasks Works closely with business analysts, UI/UX developers, and subject matter experts to understand functional requirements Ensure code quality, performance … Bedrock Knowledge of Generative AI concepts and technologies Experience with implementing chatbots or conversational AI systems Understanding of RAG operations and prompt engineering Familiarity with large language models like Anthropic Claude Sonnet Strong problem-solving skills and attention to detail Excellent communication and teamwork abilities An active TS/SCI clearance with Polygraph These Qualifications Would Be Nice More ❯
Employment Type: Permanent
Salary: USD 150,000 Annual
Posted:

Artificial Intelligence Engineer

London Area, United Kingdom
MBN Solutions
scratch, including training the models and deploying. In addition to this you will have experience developing LLM applications using some of the more recent LLMs such as GPT, Llama, Claude, Gemini, Qwen and Mistral models, developed RAG pipelines and architecture, orchestrated workflows using LangChain/LangGraph/LlamaIndex etc. This role is ideal for someone with.... 2 years of … NLP models Experience deploying AI models on cloud (Azure preferred) 1 years’ experience in applying NLP/LLM to legal documents 1 year experience in developing LLM applications (META, Anthropic, Google, OpenAI etc) Experience with the Azure stack (AI Foundry, Copilot Studio etc) would be beneficial Any experience of Agentic AI or Multi Agent Framework would be a bonus More ❯
Posted:

Artificial Intelligence Engineer

City of London, London, United Kingdom
MBN Solutions
scratch, including training the models and deploying. In addition to this you will have experience developing LLM applications using some of the more recent LLMs such as GPT, Llama, Claude, Gemini, Qwen and Mistral models, developed RAG pipelines and architecture, orchestrated workflows using LangChain/LangGraph/LlamaIndex etc. This role is ideal for someone with.... 2 years of … NLP models Experience deploying AI models on cloud (Azure preferred) 1 years’ experience in applying NLP/LLM to legal documents 1 year experience in developing LLM applications (META, Anthropic, Google, OpenAI etc) Experience with the Azure stack (AI Foundry, Copilot Studio etc) would be beneficial Any experience of Agentic AI or Multi Agent Framework would be a bonus More ❯
Posted:

Software Engineer 2 - Portal Platform

United Kingdom
Menlo Ventures
native technologies to combat modern cyber threats. We're building a team of top-tier engineers who are excited to use Generative AI tools like Cursor, GitHub Copilot, and Claude to redefine how software is built-faster, smarter, and more efficient. We are seeking a highly skilled Software Engineer II to help shape the future of AI-powered application More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Artificial Intelligence Engineer

Cataluña, Spain
Hybrid / WFH Options
MIGx AG
you don't meet every requirement, we'd still love to hear from you. Core Experience & Skills Hands-on experience working with or deploying LLM-based systems (e.g., GPT, Claude, LLaMA, Mistral, etc.). Proficiency in Python, with experience building services using FastAPI or similar frameworks. Working with embeddings for text or document representation and semantic search. Familiarity with More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

AI & Product Development Manager

Leeds, England, United Kingdom
26PMX
internal stakeholders (Media, Strategy, Creative, CS, Data) to co-develop use cases and prioritise solutions based on business impact. Stay ahead of AI trends, tools (e.g. ChatGPT, Midjourney, Sora, Claude etc...), and agency applications, proposing pilots and tests accordingly. Product Development Collaborate with services leads in the ideation, development, and continuous improvement of proprietary tools and products (e.g. reporting More ❯
Posted:

Strategic Customer Success Manager

London, United Kingdom
Hybrid / WFH Options
Siena Labs Inc
what's working and what not. AI-First Tooling To ensure you stay at the cutting edge of AI-driven work, we provide: Perplexity Pro account ChatGPT Pro account Claude Pro account Quarterly budget for experimenting with new AI tools A culture that encourages AI experimentation and adoption We encourage our team to explore and integrate AI tools into More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Agentic AI Engineer

Paris, France
SGI
based) candidates What You'll Do: Design and implement agentic AI architectures for dynamic task environments using frameworks like AutoGen, LangGraph, CrewAI, MetaGPT, or similar. Integrate LLMs (GPT-4o, Claude, Gemini, Mistral, etc.) into multi-agent systems with persistent memory, tools, and planning capabilities. Develop and fine-tune reasoning agents that interact with APIs, databases, vector stores, and real … research in autonomous agents and operationalize novel methods. ️ Tech Stack & Tools: Core Languages : Python (FastAPI, asyncio), TypeScript (for UI/agent interfaces) LLMs & Providers : OpenAI (GPT-4/4o), Anthropic, Mistral, Cohere, Ollama Agent Frameworks : LangChain, AutoGen, CrewAI, Semantic Kernel, LangGraph, Haystack, Guidance Memory & Storage : Chroma, Weaviate, Redis, Pinecone, Postgres, Milvus Execution & Orchestration : Docker, Ray, Celery, Dask Tooling : OpenAI More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

AI Engineer

United Kingdom
Hybrid / WFH Options
Paydock
and customer experiences. You will work closely with product, engineering, and operations teams to embed AI capabilities across Paydock’s platform and internal processes using tools such as OpenAI, Anthropic, and other third-party AI APIs. Key Responsibilities Integrate AI APIs (e.g., OpenAI, Claude, Hugging Face APIs) into internal tools and customer-facing applications. Design and implement workflows More ❯
Posted:

AI Engineer

Portugal
Hybrid / WFH Options
Paydock
and customer experiences. You will work closely with product, engineering, and operations teams to embed AI capabilities across Paydock's platform and internal processes using tools such as OpenAI, Anthropic, and other third-party AI APIs. Key Responsibilities Integrate AI APIs (e.g., OpenAI, Claude, Hugging Face APIs) into internal tools and customer-facing applications. Design and implement workflows More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Artificial Intelligence Engineer

San Mateo, California, United States
Stott and May
of AI and healthcare. Key Responsibilities Design and implement production-ready AI systems for real-time voice and text-based conversations. Fine-tune and optimize LLMs (e.g., OpenAI, Mistral, Claude, LLaMA, etc.) for domain-specific use cases in healthcare. Build robust pipelines for data collection, preprocessing, evaluation, and continuous improvement of model performance. Evaluate and experiment with open-source More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

AI Automation Engineer - Remote Based in Europe

London, United Kingdom
Hybrid / WFH Options
Velo Solutions
security and data privacy in automation contexts Ability to collaborate effectively with both technical and non-technical stakeholder Current Internal Tech Stack: Automation: Make, Zapier AI: OpenAI API, ChatGPT, Claude Programming: JavaScript, Node.js, Python Integrations: Google Sheets, Analytics, Ads, Meta, LinkedIn, Slack, and other core marketing tool. Benefits Fully Remote within Europe CET OR GMT TIME ZONE More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Engineer - AI

London, United Kingdom
Hybrid / WFH Options
Opus 2
infrastructure, preferably for ML/AI use cases with 1+ years working with LLM's. Proficiency with AWS data tooling and cloud-native services; experience with Amazon Bedrock or Claude integration is a plus. Experience with vector databases and embedding pipelines. Familiarity with or interest in graph-based data models and Graph RAG architectures is a strong plus. Working More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Anthropic Claude
10th Percentile
£59,625
25th Percentile
£60,000
Median
£67,500
75th Percentile
£91,563
90th Percentile
£101,250