26 to 35 of 35 API Design Jobs in the South East

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
Brighton, East Sussex, UK
Employment Type
Full-time
solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
Crawley, West Sussex, UK
Employment Type
Full-time
solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea … agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply ...

Product Owner

Hiring Organisation
Oho Group Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
finance or trading environment Hands-on experience with CFD, spread betting, or investment product development Confident using JIRA, Confluence, Figma, Miro Strong understanding of API design, agile practices, and release processes Proven ability to collaborate directly with engineering leadership Bonus Skills Familiarity with trading platform architecture or microservice ...

Senior Full Stack Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer …/UX. Proven backend expertise, particularly with Java (Python, Node.js a plus), and experience building distributed microservices-based architectures. Strong knowledge of system design principles, scalable architecture patterns, and API design. Hands-on experience with relational (Postgres, MySQL) and NoSQL (DynamoDB) databases. Proficiency in cloud platforms (AWS, Azure ...

Lead Technical Business Analyst

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
mitigate risks associated with migration and system cutover. Core Skills & Experience: Proven expertise in PAS systems and complex data migration projects. Strong knowledge of API design and integration . Advanced data modelling skills for structured and semi-structured data. Proficiency in XML, JSON, and Excel for data handling ...

Senior Java Software Engineer

Hiring Organisation
Q1 Technologies, Inc
Location
Farnborough, England, United Kingdom
IR35) Location: Farnborough, UK (hybrid – 3 days per week) About the Role We are seeking a highly skilled and experienced Senior Java Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in Core Java , Spring Framework , and Microservices architecture … Required Skills & Qualifications Strong proficiency in Core Java , OOPs concepts , and Spring 11/17 Framework . Hands-on experience with Microservices and RESTful API design. Experience with AWS cloud services (EC2, Lambda, S3, RDS, etc.). Proficiency in Terraform or Ansible for infrastructure automation. Working knowledge of Angular ...