51 to 75 of 85 API Development Jobs in England

Engineering Manager - Software & ML

Hiring Organisation
Capital One UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
London, London Engineering Manager - Software & ML About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments . You'll lead and grow a team that builds the core software powering our data-driven … Collaborate with Product Managers and Data Scientists to ensure ML models are effectively integrated into our production software. Build Robust Systems: Oversee the development of platforms that are performant, secure, and capable of handling the unique deployment needs of AI-powered features. Optimize Delivery: Enhance engineering and agile processes ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
seeking a highly skilled and innovative Agentic AI Engineer to join our team and drive the development and deployment of cutting-edge generative AI solutions within the Microsoft ecosystem . This position is well-suited for candidates with a background in software engineering, data science, or machine learning … applications utilizing Microsoft platforms such as M365, Copilot Studio, and Azure AI Foundry, and have at least one year of relevant experience. Strong software development background with proficiency in Python. Experience with API development using FastAPI, Flask, or Django. Knowledge of Docker and containerized deployments. Hands ...

Developer

Hiring Organisation
Metaskil Limited
Location
Hatfield, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£45000/annum plus benefits
blue chip client. This a great opportunity for a Developer with the following skills Extensive experience in Backend technologies, including SQL Server, MySQL & API Development Proven experience with 3rd Party API Integrations & complex server-side logic Solid NodeJS frameworks including ReactJS, NextJS, NestJS etc Skills in Frontend … development technologies, including HTML, CSS & JavaScript/Typescript A salary of around £45,000 plus benefits is on offer to the right candidate ...

Full Stack Developer

Hiring Organisation
Experis
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
will require additional vetting for this position, which means the process can take longer than the usual onboarding process Knowledge of Agile methodologies, Python, API development, CI/CD - Jenkins, ReactJS, Git, SQL, Docker, Neo4j, Database Design, Collaborative Team Player Good Communication Skills ...

AI Technical Architect

Hiring Organisation
Frontier Resourcing Ltd
Location
South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Competitive day rates - outside IR35
access control, logging, and data protection Strong consulting, communication, and leadership skills Passion for learning and applying emerging technologies Desirable Python engineering experience and API development Experience with data pipelines and vector databases Knowledge of SRE, DevOps, and platform engineering practices Exposure to AI systems, LLMs ...

Senior AI Engineer (Platform)

Hiring Organisation
Harnham
Location
New Malden, England, United Kingdom
Software Engineering with strong applied AI experience Deep expertise in GCP (Vertex AI, BigQuery, Cloud Run/Functions, ADK, Model Garden) Strong Python and API development experience Hands‐on with LLMs, embeddings, RAG, vector databases Proven track record building production‐ready AI systems with observability and testing Solid ...

Python Developer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£420 per day
Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations and rollouts Build and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting … API s and containerized environments. Containerize and deploy application/services using Docker and Kubernetes Administration for Kubernetes Resources (Pods, Ingress, Services, Secrets, CRDs ...

HRIS System Integration Engineer

Hiring Organisation
Morson Edge
Location
Hemel Hempstead, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day None
IR35 Day rate: Up to £600 per day Duration: Initial 3 months but will most likely extend Start date: ASAP Key words: ElementSuite, Integration, API, Dataflows We are looking for a HRIS system Integration Engineer to connect our Clients core HRIS (ElementSuite) with their AI recruitment tool (Talent.AI … data flow, writing the middleware or scripts to sync these systems, and ensuring that data remains secure and accurate across all platforms. Core Responsibilities - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Workflow Automation: Automate the _Hire-to-Onboard_ journey ...

HRIS System Integration Engineer

Hiring Organisation
Morson Edge
Location
Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - 600 per day + None
IR35 Day rate: Up to £600 per day Duration: Initial 3 months but will most likely extend Start date: ASAP Key words: ElementSuite, Integration, API, Dataflows We are looking for a HRIS system Integration Engineer to connect our Clients core HRIS (ElementSuite) with their AI recruitment tool (Talent.AI … data flow, writing the middleware or scripts to sync these systems, and ensuring that data remains secure and accurate across all platforms. Core Responsibilities - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Workflow Automation: Automate the _Hire-to-Onboard_ journey ...

Senior AI Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
engineering with clear documentation and stakeholder collaboration. Your Skills and Experience To be successful, you will bring: • Strong Python skills for backend services, SDKs, API development, authentication and testing. • Hands‐on experience working with LLMs, embeddings, prompt engineering, tool calling and RAG design. • Practical knowledge of GCP services ...

Senior AI Engineer

Hiring Organisation
Harnham
Location
Sheffield, England, United Kingdom
engineering with clear documentation and stakeholder collaboration. Your Skills and Experience To be successful, you will bring: • Strong Python skills for backend services, SDKs, API development, authentication and testing. • Hands‐on experience working with LLMs, embeddings, prompt engineering, tool calling and RAG design. • Practical knowledge of GCP services ...

Backend Software Engineer C# .Net SQL - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
earning substantial bonuses. What's in it for you: Salary to £90k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a Backend Software Engineer within the trading engine team … team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City ...

Senior Software Engineer

Hiring Organisation
Robert Walters
Location
Warwickshire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Collaborating with both in-house engineers and offshore partners to design, develop, and maintain a high-traffic systems.* Embedding AI capabilities throughout the software development process, utilising agentic coding techniques and tools such as CodeX or Claude to optimise workflows and product performance.* Making key architectural decisions that ensure … experience developing scalable web applications using React for frontend interfaces that support high-volume user interactions.* Extensive hands-on expertise with Node.js for backend API development, including integration with AWS cloud services for secure data management.* Demonstrated ability to embed AI capabilities into software products using agentic coding ...

Senior Java Developer

Hiring Organisation
INDOTRONIX AVANI UK, LTD
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Analysts. Required Skills & Experience: Recent Java 21 (or later) experience. Expertise in TDD, BDD, and large microservice architectures. Agile environment experience, pair programming, and API development. Strong knowledge of automated testing and continuous deployment. Ability to communicate technical concepts to non-technical audiences. Unix/Linux/ ...

Backend Engineer

Hiring Organisation
Big Red Recruitment
Location
Royal Leamington Spa, England, United Kingdom
will help design and build integrations between Shopify and a range of internal and third-party systems. The focus of the role is API development using Node.js and deployment to AWS. You will work across the full development lifecycle – from design through to deployment and ongoing improvement. ...

Backend Engineer - Node.js / AWS

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
Leamington Spa, Whitnash, Warwickshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum £40 000 - £50 000
will help design and build integrations between Shopify and a range of internal and third-party systems. The focus of the role is API development using Node.js and deployment to AWS. You will work across the full development lifecycle – from design through to deployment and ongoing improvement. ...

Laravel Developer

Hiring Organisation
Proactive Appointments
Location
Peterborough, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
VueJS framework and its ecosystem is highly desirable Competent with Git for source control. Understanding of MySQL, HTML, CSS, JavaScript Agile Methodologies Any RESTful API development useful Excellent Communication skills If this could be your next career move within an expanding employee-centric company, please drop across your ...

Software Engineer

Hiring Organisation
Propel
Location
City of London, London, United Kingdom
unlock new revenue streams. 💻 The Role You’ll play a key part in building and scaling a modern fintech platform, working across: Backend: Node.js (API development & scalable services) Frontend: React Native (iOS & Android apps) Database: MongoDB CI/CD, Git, and clean coding best practices You’ll collaborate ...

Senior Lead Analyst - Data Science - Machine Learning & Gen AI - UK

Hiring Organisation
Infosys
Location
Chester, England, United Kingdom
seeking a Senior AI/ML & Generative AI Engineer with deep expertise in designing, developing, and deploying advanced AI solutions. This includes core Python development using OOPs concepts, Large Language Models (LLMs), and Agentic AI architectures. The ideal candidate will collaborate with clients to understand complex business challenges, architect … Markets. Your Role As a Senior Lead Analyst, you will: •Anchor the engagement effort from business process consulting and problem definition to solution design, development, and deployment. •Lead the discovery and definition of AI/ML solutions and guide teams on project processes and deliverables. •Act as a thought ...

AI Software Developer

Hiring Organisation
Thomas Professional
Location
Cirencester, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
experience writing high-quality Python in a commercial environment • Hands-on experience working with large language models (OpenAI, Anthropic, Mistral, or similar) • Familiarity with API development and modern software architecture • Understanding of prompt design and managing AI-generated outputs • Ideally have experience in RAG pipelines and vector databases ...

Software Engineering Lead

Hiring Organisation
VIQU IT Recruitment
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
pivotal point in their growth, having an influence over the technical strategy whilst remaining hands. Experience required: Strong background in modern .NET/C# development & architecture. A track record of leading and mentoring teams of engineers. Cloud experience across Azure & AWS. Experience with Angular framework, REST APIs … API development. Experience with testing frameworks and quality engineering practices (unit & integration testing and test driven development). SpecFlow for Behaviour-Driven Development and Postman for API testing. Experience building and maintaining CI/CD pipelines. Knowledge of Docker and containerised applications. Hands on experience with ...

Lead Software Engineer

Hiring Organisation
VIQU IT
Location
Milton Keynes, Fenny Stratford, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
point in their growth, having an influence over the technical strategy whilst remaining hands on. Experience required: Strong background in modern .NET/C# development & architecture. A track record of leading and mentoring teams of engineers. AWS experience including; IAM, Lambda, API Gateway and event-driven architectures … environments. Experience with Angular front end framework, REST APIs and Web API development. Experience with testing frameworks and quality engineering practices (unit & integration testing and test driven development). SpecFlow for Behaviour-Driven Development and Postman for API testing. Experience building and maintaining CI/ ...

Senior Technical Lead (AI & Data Platform)

Hiring Organisation
Brightsmith
Location
Oxford, England, United Kingdom
Help shape the long-term engineering team and technical roadmap Experience Requires- Senior Technical Lead 5+ years software engineering experience Strong Python backend and API development Experience building production systems in startups or fast-moving environments Experience with data-heavy platforms or analytics products Interest in AI, modelling ...

Data Engineer

Hiring Organisation
Above & Beyond - Climate Tech Recruitment
Location
City of London, London, United Kingdom
partnering with ONE Data to recruit a Data Engineer to join their mission to build the world's first public finance and development data tool. Who are we? ONE Data is an initiative of The ONE Campaign focused on transforming how public finance and development data is accessed … high-quality, evidence-based decisions lead to greater economic opportunity and healthier lives. Our mission is to organise the world’s public finance and development data and make it universally accessible and useful - collapsing the time from raw data to actionable insight. By building open, interoperable data infrastructure ...

Python Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 420 Daily
Description: Python developer is responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations and rollouts Build and Integrate … API for Data click apply for full job details ...