76 to 100 of 178 API Integration Jobs in the UK

Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
years experience What you'll be doing: Building end-to-end features across web apps and Salesforce Developing Lightning Web Components (LWC) Designing REST API integrations between internal systems Contributing to architecture, CI/CD and engineering standards Working closely with the business to turn real processes into software ...

Senior Android Developer Kotlin / Mobile Applications

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Android applications using Kotlin and Java Build scalable architectures using MVVM or Clean Architecture Integrate Google Fit/Android Health APIs Implement robust REST API integrations Develop data workflows supporting mobile, device and cloud interactions Implement unit testing and automated UI testing frameworks Contribute to code reviews and architecture ...

Mid-Level Backend Software Developer (.NET)

Hiring Organisation
Proactive Appointments
Location
Taunton, Somerset, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
computer science, engineering, or a related field 2-3 years commercial experience in development Experienced in C# and .NET Core Understanding of RESTful API design and integrations Understanding of CI/CD Pipelines and Git Desirable, but not essential: Experience with Azure Understanding of Containerisation using Docker and Kubernetes ...

Frontend CRO Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £300 per day
HTML, CSS and JavaScript. * Experience in CRO experimentation and A/B testing, with familiarity across major testing platforms. * Understanding of backend technologies and API integrations in support of experimentation. * Strong problem solving ability and attention to detail when designing and implementing tests. * Confident communicating technical concepts with both ...

C# Software Developer Leicester /Hybrid

Hiring Organisation
Akkodis
Location
Leicester, Leicestershire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
C#, WPF, ASP.Net, REST, SSIS, TSQL, and SPROCs. Experience in migrating legacy systems to modern platforms like Power Apps and Azure SQL. Familiarity with API integrations and Data Lakehouse/Warehouse ELT processes. Strong documentation skills. This is a hybrid role based in Leicester city centre and my client ...

Data Tools & Python Analyst

Hiring Organisation
ADLIB Recruitment | B Corp™
Location
London Area, United Kingdom
market data, and supporting analysis linked to stock market sources and sentiment research. You’ll help create Python tools, automate data collection, build API integrations, and support data cleaning and structuring. A lot of the work is bits‐and‐pieces problem solving, picking up small but important tasks that ...

RPA Consultant

Hiring Organisation
Adecco
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £700 per day
Looking For: Basic programming knowledge (Python, Java, C#). Proficiency in RPA tools (e.g., UiPath, Blue Prism, Automation Anywhere). Strong SQL and database integration skills. Experience in workflow and UX design. Solid understanding of business process analysis and BPM. Excellent problem-solving and debugging skills. Experience with APIintegration and UI automation. Experience in testing, deployment, and bot maintenance. Exceptional communication, teamwork, and strategic planning abilities. Relevant certifications that validate your expertise. If you're excited about the prospect of revolutionising business processes through automation, don't wait! Apply now and embark on an exciting journey with ...

IT Systems Engineer

Hiring Organisation
Manufacturing Recruitment Limited
Location
Diss, Norfolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£60,000
Someone who moves from spreadsheets models insight. Application Development (Internal + Customer-Facing) Power Apps (Canvas + Dataverse) or equivalent low-code platform REST API integration mindset UX pragmatism (build usable tools, not demos) Understanding of security boundaries (internal vs customer apps) Low-code is acceptable. Cowboy coding … not. Epicor/ERP + Manufacturing Systems Capability Epicor (or similar ERP) experience useful: BAQs, REST/API, upgrades SQL literacy (views, joins, performance awareness) Understanding of manufacturing concepts: BOMs, routings, work centres Ability to extract ERP data cleanly for reporting & forecasting Process, Documentation & Knowledge Capture Comfortable documenting systems ...

Full Stack Developer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
ship frequently, own features, and have real influence over architecture and product direction. This role includes LLM exposure, but the emphasis is practical integration via APIs (plugging LLM capabilities into workflows), not building research-heavy or RAG-first systems. What you'll do Build and ship product features across … stack (UI API cloud) Develop back-end services in Python, delivering reliable, well-tested APIs Build responsive, intuitive front-ends in React Work within an AWS serverless environment (event-driven services, APIs, scalable data patterns) Integrate external services (including LLM APIs) to enhance workflows and automation Collaborate closely with ...

IT Applications Development Manager

Hiring Organisation
CONEX EUROPE LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Hybrid 3 and 2. The successful applicant will lead the management and continuous improvement of the Law firms business applications portfolio, ensuring system performance, integration, and alignment with the firms strategic and security objectives. The role will actively engage with Partners, fee earners and business support teams to identify … identify improvement opportunities Risk & Compliance Ensure compliance with security, data protection, and industry standards. Skills Required Proficient in related development frameworks. Understanding of API integration, data modelling, and application performance tuning. Strong project management skills are essential for implementing new systems or major upgrades. Experience managing software lifecycle ...

Frontend Engineer

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
Your Responsibilities Develop and maintain frontend applications across web and mobile Implement new features and optimize existing functionality Collaborate with backend engineers for seamless API integration Participate in the full software development lifecycle Write clean, maintainable, and high-quality code following best practices What We Need From ...

DV Cleared Data Engineer - AWS - Consultancy

Hiring Organisation
Avanti
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
knowledge of AWS Cloud Platforms (EMR, Glue, Redshift, Kinesis, Lambda, DynamoDB) - Experience with data processing across structured and unstructured sources - Strong scripting abilities and API integration skills - Knowledge of data visualization and reporting best practices Desirable but not essential: - Experience with data mining and machine learning - Natural language ...

Founding AI Engineer

Hiring Organisation
Richard Wheeler Associates
Location
East London, London, United Kingdom
Employment Type
Permanent
Python Experience building and deploying LLM applications (OpenAI, Anthropic, Gemini, etc.) Deep familiarity with RAG methodologies, embeddings, and vector databases (Pinecone, Weaviate, pgvector) Robust API integration experience, including working with third-party datasets, web APIs, or scrapers A product mindset, enjoys crafting scrappy prototypes that evolve into polished ...

PEGA LSA

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
platforms, Experience with Java, JavaScript, HTML, CSS, and XML, Understanding of databases like Oracle, SQL Server, and MySQL, Knowledge of web services, REST, and API integrations. ...

Senior Front End Developer

Hiring Organisation
Evantis Technology
Location
City of London, London, United Kingdom
user experience, and testing new product ideas. This role is heavily frontend-focused, working closely with product and design teams while also contributing to API integrations where needed. They’re looking for someone who: Has strong React, JavaScript and TypeScript experience Has built modern frontend applications or product platforms ...

Data Visualisation Engineer

Hiring Organisation
Hays
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £546.0 per day + £546 Per Day Inside IR35
understanding of data pipelines. - Experience working with SharePoint, GitHub and CI/CD workflows. RESPONSIBILITIES - Build and integrate data pipelines within AWS ecosystems, including API Integrations, PowerBI gateways and Serverless workflows, (Lambda). - Design and implement data solutions using storage and processing technologies, e.g. MySQL, PostgreSQL, SharePoint ...

SOC Engineer

Hiring Organisation
Dynamic Search Solutions Ltd
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
with Microsoft Sentinel within a SOC or MSSP environment. Experience building and maintaining automation using Azure Logic Apps and Sentinel playbooks. Working knowledge of API integrations to support security tooling and workflows. Strong written and verbal communication skills, with the ability to work with both technical teams and customers. ...

Web Developer

Hiring Organisation
Searchability (UK) Ltd
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
technical and non-technical teams Desirable Skills Experience with WordPress, Elementor, and templating frameworks Familiarity with analytics and performance monitoring tools Content optimisation experience API integrations and third-party systems Why Join Ownership of business-critical web platforms Opportunity to influence web development standards and best practices Collaborative, cross ...

Full-Time .Net MAUI Mobile App Developer (iOS & Android) — Remote (South Asia)

Hiring Organisation
Astera
Location
East London, London, United Kingdom
smooth transitions, and responsive layouts User onboarding, application flows, and status tracking Admin-driven workflows and internal review tools Secure authentication and backend/API integrations App Store and Google Play deployment Tech expectations .NET MAUI strongly preferred Proven experience implementing apps directly from Figma Strong mobile UI/ ...

Full-Time .Net MAUI Mobile App Developer (iOS & Android) — Remote (South Asia)

Hiring Organisation
Astera
Location
Leeds, West Yorkshire, United Kingdom
smooth transitions, and responsive layouts User onboarding, application flows, and status tracking Admin-driven workflows and internal review tools Secure authentication and backend/API integrations App Store and Google Play deployment Tech expectations .NET MAUI strongly preferred Proven experience implementing apps directly from Figma Strong mobile UI/ ...

Full-Time .Net MAUI Mobile App Developer (iOS & Android) — Remote (South Asia)

Hiring Organisation
Astera
Location
Ashton-Under-Lyne, Greater Manchester, United Kingdom
smooth transitions, and responsive layouts User onboarding, application flows, and status tracking Admin-driven workflows and internal review tools Secure authentication and backend/API integrations App Store and Google Play deployment Tech expectations .NET MAUI strongly preferred Proven experience implementing apps directly from Figma Strong mobile UI/ ...

Web Developer

Hiring Organisation
Hillarys HR
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
product configuration logic. Preferably experience of working with SAP or similar ERP systems. Familiar with visualisation tools, schematics, or interactive product selectors. Understanding of API integrations and data flows; SAP exposure is a plus. Background in e-commerce platforms, ordering systems, or digital product configuration tools. Capable of translating ...

Senior D365 Business Central Developer

Hiring Organisation
Nigel Frank International
Location
Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
/365 BC End to end technical life cycle tasks, and bespoke module development Back end code review/3rd line support troubleshooting Integration projects with third party solutions My client is looking for candidates who can offer: A proven track record in the development of Microsoft Dynamics … Technical NAV/D365 BC programming skills - CAL, AL extensions The ability to document technical requirements and draw up technical specifications for bespoke development API integration development experience Power Platform dev/config ability (inc. Power Apps, Power Automate) Whats on offer? Competitive starting salary and excellent employee ...

Rubrik IT Engineer - Rubrik Backup and Hybrid Cloud Protection

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600/day
infrastructure. * Experience protecting Azure and Office 365 workloads through Rubrik. * Strong troubleshooting ability and governance understanding. Desirable Skills * Experience with other enterprise backup suites. * API integration exposure. * Disaster recovery planning. Professional Attributes * Methodical and governed by best practice. * Confident decision maker. * High accountability. * Strong interpersonal skills. Qualifications * Rubrik ...

Lead AI Engineer

Hiring Organisation
BD Talent Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
delivery model Experience Were Looking For Experience across several of the following: Workflow automation platforms (Make, n8n, Zapier, Workato) Python, JavaScript or similar API integration and system orchestration Applied AI/LLM use cases Cloud or serverless environments Just as important is a builder mindset pragmatic, curious, delivery ...