15 of 15 API Design Jobs in the Thames Valley

Senior API Technical Consultant (GraphQL Specialist)

Hiring Organisation
Staffworx Limited
Location
Slough, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
market rates, outside IR35, 2 days on site
Senior API Technical Consultant (GraphQL Specialist) Design and build next generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental … evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables Design and build sophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. Lead the design and evolution of our API schemas ...

Head of Engineering

Hiring Organisation
RedTech Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Professional qualifications
Salary
£95,000
services and customer facing teams Highly advantageous experience includes: regulated environments, multi cloud operations, AI or ML integration, multi region deployments, education sector systems, API first platforms, legacy to modern engineering uplift Responsibilities for Head of Engineering: Lead and develop engineering managers and technical leads, embedding a culture … ensure delivery aligns with strategic priorities Collaborate with sales, customer experience, professional services and implementation teams to support customer transitions Embed security by design in collaboration with information security and compliance teams Provide architectural direction for SaaS migration, cloud native evolution, microservices, API design and AI engineering ...

Core Engineer - DeFi - London (F/M/D)

Hiring Organisation
Flowdesk
Location
Slough, Berkshire, UK
Employment Type
Full-time
truth and a scalable platform for business units to leverage. We're hiring a Core Engineer to join the team and help lead the design and delivery of a new internal platform. Mission Be a key player in the newly formed Core Engineering team at Flowdesk to build … event streams for downstream consumers; maintain backward compatibility and schema evolution. Ways of working Follow established architecture and coding standards; participate in RFCs/design reviews and propose incremental improvements within existing patterns. Write clean, well-documented code and meaningful tests. Contribute to PR reviews; maintain up-to-date ...

Technical Architect

Hiring Organisation
RED Global
Location
Slough, Berkshire, UK
Employment Type
Full-time
project team. Engage with senior stakeholders to influence technology decisions and ensure architectural integrity. Provide architectural recommendations and oversee implementation strategies. Contribute to solution design, documentation, and governance processes. Support data migration planning, integration, and interoperability considerations. Ensure compliance with security, resilience, and performance standards. Essential Skills & Experience … flow diagrams). Hands-on experience with major cloud platforms (preferably AWS), including Infrastructure as Code, networking, and security. Deep understanding of secure system design, authentication patterns, and observability. Familiarity with languages such as Ruby, Python, or Java, and modern practices (CI/CD, TDD, containerisation). Proven ability ...

Senior Software Engineer I

Hiring Organisation
Menlo Security Inc
Location
Bracknell, England, United Kingdom
critical part of the Menlo Security platform to keep end users safe. Responsibilities Evaluate and implement the latest development and deployment technologies for API design, highly available and scalable distributed systems, multithreaded/asynchronous applications with performance and security in mind Technically lead large scale projects, and participate … building, deploying and operating the Menlo Security platform Architect, design, develop and own new features and services and be a key contributor to Menlo’s technical roadmap Partner with product, security, operations, and other cross-functional stakeholders to align on requirements and schedules Requirements 3-5 years of experience ...

Senior/Lead Backend Engineer

Hiring Organisation
Howrecruit
Location
Slough, Berkshire, UK
Employment Type
Full-time
customers. Small team. Big impact. Real engineering challenges. The role You'll work across the backend platform powering key customer-facing experiences. You will: Design and build scalable backend services in Node.js + TypeScript Own systems end-to-end (architecture → deployment → monitoring) Develop APIs and platform components used across … multiple products Solve performance, reliability and observability challenges Ship iteratively with product + design Improve engineering quality and share knowledge If you enjoy autonomy and seeing your work hit production quickly, you'll love this environment. What you'll bring 5+ years of backend engineering experience Strong with Node.js ...

Director of Software Engineering

Hiring Organisation
MicroTECH Global Ltd
Location
Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
expertise across the software stack including firmware/embedded systems, device drivers, OS-level programming (Linux, RTOS), hardware abstraction layers, system software, SDK development, API design, application software, and software tools/utilities Experience with high-speed interface technologies (PCIe, CXL, NVMe, Ethernet, or similar protocols) and system ...

VP of AI Engineering & Platform Development

Hiring Organisation
AVEVA
Location
Slough, Berkshire, UK
Employment Type
Full-time
external partners. We are specifically keen on individuals who have experience within start-up type environments. Key Responsibilities: Platform Services Development Drive the Execution, Design, and Build of Core AI services that are scalable, reusable, secure, reliable, and highly available. Ensure the Core AI Services (Orchestration, SDKs, etc. … entry. Engage with other execution leaders and collaborate with enablement teams to support Core AI adoption. Security, Compliance & Regulations Embed security and privacy-by-design practices into all services and APIs. Ensure compliance with global AI regulations and emerging governance frameworks. Establish processes for responsible AI, model explainability, observability ...

Senior ML Engineer/Data Scientist

Hiring Organisation
Quantori
Location
Slough, Berkshire, 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
Oxford, Oxfordshire, 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
Reading, Berkshire, 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 ...

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 ...