1 to 25 of 223 API Integration Jobs in the UK excluding London

Mulesoft Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
MuleSoft Architect Key responsibilities: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining … delivering the Integration Technology aspects of the projects, including timely production of architectural designs and documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs Working with Capgemini teams in Switzerland, Europe, and on the global level, on large programs ...

WAF Automation Engineer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 per hour
role As an Automation Engineer, you will play a pivotal role in enhancing our IT infrastructure by designing, creating, and maintaining bespoke Continuous Integration/Continuous Deployment (CI/CD) pipelines tailored to specific project needs. You will be responsible for the integration of CI/CD pipelines …/CD pipelines and a comprehensive understanding of DevOps practices. The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Key Responsibilities CI/ ...

AI UX Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
deployment, and prompt engineering Agentic workflow development, ideally using AWS AgentCore Multi-agent orchestration frameworks such as AWS Strands Agents, LangGraph, or similar LLM integration and fine-tuning (Claude, GPT-4, or equivalent) Strong prompt engineering skills, including chain-of-thought reasoning RAG & Knowledge Systems Implementation of Retrieval-Augmented … Experience with vector databases such as CockroachDB, Pinecone, or similar Embedding model optimisation and semantic search Context window management and chunking strategies MCP & Tool Integration Model Context Protocol (MCP) implementation LLM tool calling and API design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination ...

Integration Analyst

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gainsborough, Lincolnshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
collaborative team of technical and non-technical professionals, working on projects that underpin ongoing digital transformation. Your focus will be on managing our API footprint and EDI processes, ensuring seamless data exchange across the business. You'll design and document integrations, onboard new EDI customers, and maintain specifications … work closely with the internal development team to implement solutions that deliver real value. What will you be doing? Designing and documenting API integrations for customer-facing applications and partner systems Onboarding new EDI customers, including setup, testing and go-live support Maintaining integration specifications, API documentation ...

Senior Front-End Developer - React

Hiring Organisation
Reed
Location
Seaton Delaval, Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £62,000 per annum, Inc benefits
Expert-level proficiency in HTML, CSS, JavaScript Strong experience with React. Familiarity with cloud platforms (Azure or AWS) Experience with CI/CD and API integration Ability to mentor and collaborate effectively within a team Desirable Extras: Experience with Docker and backend API development Exposure to continuous ...

Security Engineer

Hiring Organisation
NTT DATA
Location
Birmingham, England, United Kingdom
do. We’re seeking individuals passionate about building a more secure and sustainable world. The Security Tooling Engineer is responsible for the operation, maintenance, integration, and optimization of security platforms and tools that support the delivery of security services across NTT DATA and Service Recipients. This role ensures that … address performance issues Manage platform upgrades, patches, and version control Provide monthly health and performance reports for all managed security platforms Data Source Management & Integration Manage onboarding of data sources to security platforms (e.g., log sources to SIEM) Configure data parsing, normalization, and enrichment to ensure data quality Design ...

MuleSoft Technical Architect

Hiring Organisation
InfinityQuest Ltd,
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day Inside IR35
Expectations: Professional experience with Mulesoft Passion for Integration Cloud technologies and products Experience as an IT consultant or developer in a customer-facing role Ability to build productive client relationships, identify and develop opportunities for new business. Proven Distributed Delivery experience (Off-Shore or On-Shore project delivery) Familiarity … Agile, Waterfall) and application lifecycle management Ability to understand business and IT department requirements. Strong communication and presentation skills Mulesoft Platform Architect or Mulesoft Integration Architect certification is an advantage. Required?Qualifications: Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate goodproficiencyworking with ...

C#.NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations There is some excellent investment in AI technologies, so a chance to work on some cutting-edge software development projects in AI advancement ...

Full Stack .NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations There is some excellent investment in AI technologies, so a chance to work on some cutting-edge software development projects in AI advancement ...

L3 Support Engineer Dot Net

Hiring Organisation
Stackstudio Digital Ltd
Location
Livingston, West Lothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
application lifecycle Proficiency with T-SQL and DocumentDB Swift and Kotlin knowledge Advanced SQL troubleshooting and tuning; data-model fluency for application triage REST API integration and debugging Scripting (PowerShell/Shell) for automation and health-check/reporting Observability/SRE: alert tuning, performance and capacity analysis … adherence; clear incident communication and RCA Operations: daily/shift health checks, exception queues, dashboards, runbooks, KEDB Triage and recovery: application errors, data mismatches, API failures, safe reprocessing Change management: UAT, release notes, SOP/runbook updates; regression mindset RCA & systemic improvements: resolve repeat failures, drive optimization, and process ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Web Developer

Hiring Organisation
Noir
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They ...

Developer - Power Pages/Power Platform

Hiring Organisation
General Dental Council
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
experience in designing and developing using Microsoft Power Pages, including significant hands-on development. Demonstrated proficiency with Microsoft Dataverse, website authentication, security roles, and API integrations with systems like Dynamics 365. Experience in documenting defects and enhancements and developing appropriate solutions. Solid understanding of the Software Development Lifecycle (SDLC ...

Lead Full Stack .NET Developer - Azure - Preston

Hiring Organisation
Circle Recruitment
Location
Preston, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations Due to investment and a pipeline of brand-new green field work, they need a Lead Full Stack Developer to join the team. ...

Lead .NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations Due to investment and a pipeline of brand-new green field work, they need a Lead Full Stack Developer to join the team. ...

Applications Engineer

Hiring Organisation
Reed
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £42,000 per annum, Inc benefits
within a team Excellent communication and interpersonal skills Ability to consistently meet demanding deadlines Desirable Skills: Experience in AI and machine learning Competency with API integration Benefits: Free onsite parking Comprehensive training provided for specific roles Casual dress code Flexible working, after a qualification period ...

Senior Software Developer

Hiring Organisation
Cathcart Technology
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
product team, driving technical excellence across desktop, web, and mobile applications. Your work will focus on system and software design involving; API integration, database development, and mobile applications (Xamarin/.NET MAUI). This is a role where you can bring ideas, influence technical decisions, and help shape ...

Swift UI Mobile App Lead Developer - Leicestershire

Hiring Organisation
Mapp UK Ltd
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£70,000
ensure application reliability. Agile Methodologies: Proven track record in agile development methodologies, including experience with Scrum. CI/CD: Solid experience in continuous integration and delivery e.g. Azure DevOps. RESTful APIs: Hands on experience with Restful APIs integration. Swift UI Mobile App Lead Developer - Leicestershire ...

Contract Salesforce Developer

Hiring Organisation
WRK DIGITAL LTD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day Inside of IR35
Visualforce . Hands-on experience with Salesforce configuration and customisation . Strong understanding of Salesforce data model , security, and sharing rules. Experience with API integrations and middleware tools. Familiarity with Salesforce DX , CI/CD , and deployment best practice. Excellent problem-solving skills and ability to work ...

Salesforce Developer

Hiring Organisation
WRK DIGITAL LTD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£475 per day
Visualforce . Hands-on experience with Salesforce configuration and customisation. Strong understanding of Salesforce data model, security, and sharing rules. Experience with API integrations and middleware tools. Familiarity with Salesforce DX, CI/CD, and deployment best practice. Excellent problem-solving skills and ability to work in an agile ...

Data Engineer

Hiring Organisation
Altech Group Ltd
Location
Warrington, Cheshire, UK
Employment Type
Full-time
technical stakeholders. Desirable Experience in procurement, consultancy or public sector environments. Familiarity with BI tools such as Power BI or Tableau. Understanding of API integrations and real time data streaming. Exposure to Lean Six Sigma or broader process improvement methodologies. What you'll get Salary up to £60k Hybrid ...

Data Engineer

Hiring Organisation
ALTECH GROUP LTD
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
technical stakeholders. Desirable Experience in procurement, consultancy or public sector environments. Familiarity with BI tools such as Power BI or Tableau. Understanding of API integrations and real time data streaming. Exposure to Lean Six Sigma or broader process improvement methodologies. What you’ll get Salary up to £60k Hybrid ...

Project Manager (eCommerce)

Hiring Organisation
eir evo talent
Location
Rugby, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Responsibilities Define Project Scope & Objectives Collaborate with Heads of IT and business stakeholders to establish clear project goals for commerce platform deployment and ERP integration, ensuring technical feasibility and alignment with business needs. Plan & Deliver Integration Projects Develop detailed project plans for end-to-end delivery, covering phases … Engagement Build strong relationships with technology partners and maintain clear communication with business owners throughout the project lifecycle. Documentation & Compliance Maintain comprehensive documentation for integration architecture, workflows, and project governance. Requirements & Skills Experience : 5+ years in IT Project Management with a focus on system integration projects , preferably involving ...

C#.NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations There is some excellent investment in AI technologies, click apply for full job details ...

Data Engineer Python/SQL -TOP Asset Manager!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Data Lake Work with Python, SQL, Spark, AWS, Docker, CI/CD Orchestrate workflows using Airflow, Prefect, or Dagster Support ETL, API integrations, and high-quality data validation Translate business needs into technical solutions with full ownership What You Need STEM degree (Computer Science, Engineering, Maths, etc.) 2+ years ...