API Integration Jobs in the UK

326 to 350 of 1,126 API Integration Jobs in the UK

Software Engineer - Mobile (iOS)

United Kingdom
Hybrid / WFH Options
Contentsquare
in Mobile development. Solid knowledge of mobile platforms, notably iOS (Swift, Objective-C, UIKit, SwiftUI). Strong knowledge on testing and testing frameworks (Quick, XCUITest). Proven experience with API integration, asynchronous programming, and offline-first applications. Familiarity with mobile DevOps practices, including CI/CD pipelines for mobile apps. Strong troubleshooting and debugging, performance optimization, and problem More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Developer

London, England, United Kingdom
83zero
and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯
Posted:

Senior .NET Developer

Liverpool, Merseyside, North West, United Kingdom
Hybrid / WFH Options
Hyperloop Recruitment
a test-driven development environment, working on a range of exciting projects and products. Experience with infrastructure, Terraform and Azure is essential. Key skills required: C# .NET Core RESTful API integrations CI/CD pipelines MS Azure Terraform JavaScript Git SOLID principles Secure coding practices In return, the successful .NET Developer will be entitled to a salary of up More ❯
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Laravel (PHP) Engineer

Brighton, Sussex, United Kingdom
Hybrid / WFH Options
Sampl Technologies
problems for household brands and that means we need big ideas from our team. Bugs: we fix bugs first to ensure a stable codebase before adding new features. Develop API integrations with third-party providers such as Meta and Tik Tok to super-charge our platform and give our clients a single source of truth full of rich first … Teamwork: you need to know your tech and be able to work independently at times, but we are all about people and working together. Nice to have Experience developing API integrations with third party software. Experience using AWS. Experience using Jira, Confluence and Gitlab. Experience with Linux environments. Marketing knowledge. Hybrid working set-up. Auto-enrolment in the company More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Laravel (PHP) Engineer

Brighton, England, United Kingdom
Hybrid / WFH Options
Sampl Technologies
problems for household brands and that means we need big ideas from our team. Bugs: we fix bugs first to ensure a stable codebase before adding new features. Develop API integrations with third-party providers such as Meta and Tik Tok to super-charge our platform and give our clients a single source of truth full of rich first … Teamwork: you need to know your tech and be able to work independently at times, but we are all about people and working together. Nice to have Experience developing API integrations with third party software. Experience using AWS. Experience using Jira, Confluence and Gitlab. Experience with Linux environments. Marketing knowledge. Hybrid working set-up. Auto-enrolment in the company More ❯
Posted:

Java Developer

Leatherhead, Surrey, England, United Kingdom
Avanti
experience Experience working with Legacy systems & Migrations Solid OOP understanding Some understanding of cloud - They use AWS (even exposure as a hobby is fine) Experience with REST APIs design & integration Desirable: AWS (Aurora/Lambdas) Docker/Kubernetes React Jenkins/GitHub Actions The salary on off for this role is up to £70,000 + 27 days holiday More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Java Developer

Guildford, Surrey, England, United Kingdom
Avanti
experience Experience working with Legacy systems & Migrations Solid OOP understanding Some understanding of cloud - They use AWS (even exposure as a hobby is fine) Experience with REST APIs design & integration Desirable: AWS (Aurora/Lambdas) Docker/Kubernetes React Jenkins/GitHub Actions The salary on off for this role is up to £70,000 + 27 days holiday More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Drupal Full Stack Web Developer

London, United Kingdom
Talan Group
and custom module development. Proficient in front-end technologies such as HTML, CSS (SASS/LESS), and modern JS frameworks (React, Vue.js, etc.). Understanding of RESTful services and API integrations. Version control using Git (GitHub/GitLab/Bitbucket). Experience working in Agile environments. Knowledge of web security best practices and performance optimization. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Low/No Code Developer

Bradford, England, United Kingdom
Darwin Recruitment
a product-focused tech team. What You'll Be Doing Configure workflows, forms, and templates within the ShareDo platform Extend the platform with light JavaScript development (around 20%) Build API integrations with external systems Work closely with product and operations teams to implement scalable solutions Support the introduction of AI and automation features to drive efficiency What You'll More ❯
Posted:

Backend Developer

London, England, United Kingdom
AWTG Ltd
knowledge of Git. Understanding of Agile (Scrum, Kanban) methodology. Preferred Skills: Familiarity with GCP tools and services such as Cloud Functions, App Engine, and Cloud Storage. Experience with RESTful API development and integration. Knowledge of Docker and container orchestration tools. Ability to optimize application performance and scalability on cloud platforms. Excellent problem-solving skills and attention to detail. Salary More ❯
Posted:

Software Developer

Bath, Somerset, South West, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
years of experience in Software Development C# .NET Core SQL Server Strong communication and client-facing skills Desirables Specific experience within Logistics, Distribution and Finance industries Experience with API integrations, customisation tools and reporting solutions, Agile/Scrum Methodologies The Company This specialist ERP software consultancy provides tailored solutions for mid-market clients across the UK. They are known More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Software Developer

Leicester, Leicestershire, East Midlands, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
in Software Development ERP and SaaS experience C# .NET Core SQL Server Strong communication and client-facing skills Desirables Specific experience within Logistics, Distribution and Finance industries Experience with API integrations, customisation tools and reporting solutions, Agile/Scrum Methodologies The Company This specialist ERP software consultancy provides tailored solutions for mid-market clients across the UK. They are More ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
Posted:

Full Stack Developer

Bedford, England, United Kingdom
JR United Kingdom
experience as a full-stack developer, delivering robust production-ready solutions. Proficiency in the following technologies: Ability to build data-intensive applications and manage complex backend logic, including external API integrations. Capable of working independently and taking ownership of technical projects. Strong analytical skills and problem-solving abilities. Effective time management and prioritisation skills under tight deadlines. Bonus Skills More ❯
Posted:

Senior Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Plan B Talent Ltd
with DevOps practices What We’re Looking For: Front-end framework experience, ideally with React Strong cloud architecture & deployment experience (preferably GCP) Experience with event-driven architecture, microservices, and API integrations Experience in DevOps and working with Git source control Familiarity with relational & non-relational databases (preferably Firestore and MySQL) Practical experience with agile software lifecycles and ticketing tools More ❯
Posted:

Full Stack Developer

York, England, United Kingdom
JR United Kingdom
experience as a full-stack developer, delivering robust production-ready solutions. Proficiency in the following technologies: Ability to build data-intensive applications and manage complex backend logic, including external API integrations. Capable of working independently and taking ownership of technical projects. Strong analytical skills and problem-solving abilities. Effective time management and prioritisation skills under tight deadlines. Bonus Skills More ❯
Posted:

Technical Lead

City of London, England, United Kingdom
JR United Kingdom
in modern UI state management modular development. o In-depth experience in defects and enhancement management. o In-depth experience with product/application development lifecycle. Proficiency in UI API development and integration. Proficiency in UI design & business process design. o Experience working with authentication and authorization. Proficient in working with large data and SQL Server. Proficient in SQL More ❯
Posted:

Lead Software Engineer - Design Engineering (Design System)

London, England, United Kingdom
ZipRecruiter
building and contributing to them. Proven success in developing and delivering web products, with strong problem-solving skills. Expertise in JavaScript, HTML, CSS, and fundamentals of web development, including API integration. Experience with modern web technologies such as React and TypeScript, with a strong understanding of coding standards, accessibility, and governance of design systems. Collaborative team player with experience More ❯
Posted:

Full Stack Developer

London, England, United Kingdom
Hybrid / WFH Options
SUMO
stack developer role, preferably in media, publishing, or SaaS environments. Back-end experience with Node.js, PHP, Python, or similar server-side languages. Comfortable working with databases (MySQL, PostgreSQL) and API integrations. Experience with WordPress or headless CMS setups is a bonus. Comfortable working in Git and collaborative environments. A proactive approach to solving problems and improving systems. Good communication More ❯
Posted:

Full Stack Engineer

London, England, United Kingdom
May & Stephens
experience as a full-stack developer, delivering robust production-ready solutions. Proficiency in the following technologies: Ability to build data-intensive applications and manage complex backend logic, including external API integrations. Capable of working independently and taking ownership of technical projects. Strong analytical skills and problem-solving abilities. Effective time management and prioritisation skills under tight deadlines. Bonus Skills More ❯
Posted:

.NET Software Engineer

London, England, United Kingdom
Ncino Global Ltd
modern design patterns (DI, ORM). Proficiency in relational databases (SQL) and document stores (NoSQL). Experience with Azure and Azure DevOps deployments. Background in building business applications with API integrations and SaaS deployment characteristics. If you thrive in a high-energy, entrepreneurial environment, we invite you to share your passion, ideas, and excitement at nCino. The pay range More ❯
Posted:

Senior Salesforce Developer

Stroud, England, United Kingdom
Hybrid / WFH Options
Ecotricity
best practice and technical excellence and be a person that actively looks for continual improvement opportunities. Knowledge and Skills Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites) Experience using Devops processes with Salesforce and able to talk about the software development lifecycle Experience mentoring other team members Understanding of when More ❯
Posted:

API Integration Specialist - 12 month FTC

London, England, United Kingdom
SmartestEnergy
API Integration Specialist - 12 month FTC Join to apply for the API Integration Specialist - 12 month FTC role at SmartestEnergy API Integration Specialist - 12 month FTC 2 days ago Be among the first 25 applicants Join to apply for the API Integration Specialist - 12 month FTC role at SmartestEnergy Get AI-powered … advice on this job and more exclusive features. In this role you will play a key role in delivering integration-heavy solutions across a range of projects within the Smartest UK and Smartest Business Energy portfolios. This role involves providing technical leadership to an external implementation team, owning integration patterns, and helping establish a robust integration practice. … You will design and implement integration solutions using Azure API Management, ensuring scalability, security, and performance. Responsibilities include developing service specifications, automating infrastructure deployment with Terraform, and building workflows using Azure Function Apps and Logic Apps. You will also write technical user stories in Azure DevOps, review and assure code quality, and implement effective monitoring and support strategies. More ❯
Posted:

Power Platform Developer – SharePoint & Azure Integration Specialist

City of London, London, United Kingdom
Hybrid / WFH Options
Pearson Carter
Power Platform Developer – SharePoint & Azure Integration Specialist Immediate Shortlisting & Interviews About the Role We’re partnering with a dynamic, innovation-led organisation looking for a Power Platform Developer with strong expertise in PowerApps, Power Automate, SharePoint, and Azure . If you’re passionate about building scalable, automated business solutions and integrating diverse Microsoft technologies, this role is made for … and build custom business solutions using PowerApps, Power Automate, and SharePoint Online to automate processes and improve productivity. Develop integrations between Power Platform, Azure services (Azure Functions, Logic Apps, API Management) , and external systems for seamless data flow. Collaborate with cross-functional teams to gather requirements and deliver user-centric solutions that drive business outcomes. Support and maintain existing … Platform and SharePoint environments. What You Bring Solid experience with PowerApps, Power Automate, and SharePoint Online development and customization. Practical knowledge of Azure services including Functions, Logic Apps, and API integrations. Familiarity with Dataverse and model-driven app concepts is a plus. Strong scripting and coding skills (C#, JavaScript, or TypeScript) to extend platform capabilities. Proven ability to troubleshoot More ❯
Posted:

Power Platform Developer – SharePoint & Azure Integration Specialist

London Area, United Kingdom
Hybrid / WFH Options
Pearson Carter
Power Platform Developer – SharePoint & Azure Integration Specialist Immediate Shortlisting & Interviews About the Role We’re partnering with a dynamic, innovation-led organisation looking for a Power Platform Developer with strong expertise in PowerApps, Power Automate, SharePoint, and Azure . If you’re passionate about building scalable, automated business solutions and integrating diverse Microsoft technologies, this role is made for … and build custom business solutions using PowerApps, Power Automate, and SharePoint Online to automate processes and improve productivity. Develop integrations between Power Platform, Azure services (Azure Functions, Logic Apps, API Management) , and external systems for seamless data flow. Collaborate with cross-functional teams to gather requirements and deliver user-centric solutions that drive business outcomes. Support and maintain existing … Platform and SharePoint environments. What You Bring Solid experience with PowerApps, Power Automate, and SharePoint Online development and customization. Practical knowledge of Azure services including Functions, Logic Apps, and API integrations. Familiarity with Dataverse and model-driven app concepts is a plus. Strong scripting and coding skills (C#, JavaScript, or TypeScript) to extend platform capabilities. Proven ability to troubleshoot More ❯
Posted:

Information Technology Delivery Manager

London, England, United Kingdom
ZipRecruiter
Technology Delivery Engineering Manager to join their Technology Delivery leadership team. This is a pivotal role responsible for the successful delivery and ongoing maintenance of enterprise-grade database and API development projects, with a strong focus on backend integration and iPaaS solutions. This position blends strategic leadership with hands-on technical oversight, ensuring scalable, secure, and well-integrated … candidate will lead a team of engineers, manage complex technical projects, and collaborate closely with architecture, infrastructure, and operations teams. Responsibilities Lead and develop a team of backend and integration engineers to deliver robust API services and integration pipelines using modern iPaaS tools. Translate solution designs into scalable and practical implementations in collaboration with Solution Architects. Act … as the primary interface between development and operations, ensuring smooth project handovers and support readiness. Drive the delivery of complex integration and application projects, upholding high standards of performance, security, and reliability. Champion both Agile and Waterfall methodologies to plan, track, and optimise team workflows and project execution. Build and maintain strong relationships with internal stakeholders and external partners More ❯
Posted:
API Integration
10th Percentile
£42,325
25th Percentile
£53,550
Median
£70,000
75th Percentile
£83,750
90th Percentile
£100,000