API Integration Jobs in the UK

26 to 50 of 665 API Integration Jobs in the UK

Java Software Engineer - Remote - 6 months - Must Have AI Experience F

United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
technical documentation Essential Skills & Experience Strong commercial experience in Java (8+) and Node.js Experience working in agile, multidisciplinary teams in a government or large enterprise environment Proficiency in RESTful API development and integration Experience with CI/CD pipelines and version control systems (eg Git) Familiarity with cloud platforms (preferably AWS or Azure) Solid understanding of software engineering More ❯
Employment Type: Contract
Rate: £538 per day 538 Inside IR35
Posted:

Software Development and Delivery Engineer

Belfast, United Kingdom
Hybrid / WFH Options
StormHarvester
Criteria Benefits: Familiarity and experience with agile development in delivery Experience in other programming languages, specifically C++, C# or Java Experience in Automation/Testing frameworks Experience of Continuous Integration/Development Experience of API integration/development Experience of test/deployment automation Experience of AWS services Free parking at our Belfast office Private medical and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer - musicMagpie

Stockport, Lancashire, United Kingdom
ao.com
Develop and maintain scalable full-stack .NET applications that support business operations, courier systems, and WMS functionality. Design and implement APIs with a focus on microservice architecture and efficient API management. Write clean, testable, secure, and efficient code following SOLID principles and modern design patterns. Develop technical specifications and system architecture in collaboration with stakeholders. Interface with third-party … platforms and services through robust API integrations. Utilise database technologies including MySQL and NoSQL solutions to support application data needs. Participate in Agile ceremonies, sprint planning, and contribute to backlog refinement. Conduct code reviews, refactor legacy code, and promote high standards of code quality across the team. Support CI/CD pipelines and contribute to continuous integration and … About You Essential Skills and Experience Demonstrable experience in developing web-based applications using the Microsoft .NET framework. Proficient in C#, with hands-on experience in ASP.NET Core, Web API, and Entity Framework. Practical experience working with both relational databases (e.g., MySQL) and NoSQL technologies. Competent in using Git for source control and collaborative development. Familiarity with Agile methodologies More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

Yorkshire, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Kotlin Developer

London, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Backend Software Engineer

Bracknell, Berkshire, South East, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Birmingham, West Midlands, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Java Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Analyst Programmer

Hatfield, England, United Kingdom
COMPUTACENTER (UK) LIMITED
with users and stakeholders to gather and translate requirements into well-engineered solutions Design, build, and test robust, scalable web applications using the latest Microsoft technologies Contribute to system integration, software builds, and deployment processes Document and maintain software in line with technical and quality standards Diagnose and resolve issues, taking ownership of problems and solutions Occasionally take on … 6+) Strong front-end skills: HTML5, CSS3, Bootstrap, jQuery, JSON, XML Proficiency with SQL Server including stored procedures, LINQ, and Entity Framework Experience building Windows Services, WCF, and Web API integrations Knowledge of Visual Studio 2017/2019/2022 and Azure DevOps (TFS/DevOps 2022) Ability to independently design, test, and implement solutions Professional communication skills and More ❯
Posted:

Senior Analyst Programmer

Hatfield, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
COMPUTACENTER (UK) LIMITED
with users and stakeholders to gather and translate requirements into well-engineered solutions Design, build, and test robust, scalable web applications using the latest Microsoft technologies Contribute to system integration, software builds, and deployment processes Document and maintain software in line with technical and quality standards Diagnose and resolve issues, taking ownership of problems and solutions Occasionally take on … 6+) Strong front-end skills: HTML5, CSS3, Bootstrap, jQuery, JSON, XML Proficiency with SQL Server including stored procedures, LINQ, and Entity Framework Experience building Windows Services, WCF, and Web API integrations Knowledge of Visual Studio 2017/2019/2022 and Azure DevOps (TFS/DevOps 2022) Ability to independently design, test, and implement solutions Professional communication skills and More ❯
Employment Type: Permanent, Work From Home
Posted:

Junior Software Engineer

London, United Kingdom
Kittoffices
you will have opportunity to get to grips with new technologies. Backend & Microservices Go - Primary language for our 40+ microservices gRPC & Protocol Buffers - Inter-service communication GraphQL - Client-facing API gateway MySQL, PostgreSQL, Redis - Data storage and caching Google Cloud Pub/Sub - Event-driven architecture Frontend & Mobile TypeScript - Primary frontend language React & Next.js - Web applications React Native & Expo … Mobile applications CSS, CSS-in-JS - Styling GraphQL Codegen - Type-safe API integration Artificial Intelligence OpenAI & Gemini - We use OpenAI models to ease our internal teams workflows, as well as automating some time intensive manual tasks. We're looking to bring AI to the forefront of our operational workflows. Infrastructure & DevOps Kubernetes - Container orchestration Docker - Containerisation Terraform - Infrastructure More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Haystack
party services and manage data pipelines. Ensure performance, reliability, and scalability of applications. Frontend Development Build responsive user interfaces with React and TypeScript. Ensure cross-browser compatibility and seamless API integration. Full-Stack Collaboration Work cross-functionally to develop and ship new features. Own tasks from conception to production deployment. Cloud & Infrastructure Deploy and manage applications on cloud platforms … GCP. Contribute to CI/CD processes and containerization (e.g., Docker). Databases Develop and optimize SQL (PostgreSQL, MySQL) and NoSQL databases. Ensure data quality and performance. AI Tool Integration Use AI tools to streamline development and boost productivity. Share best practices for AI tool adoption across the team. Code Quality & Mentorship Write clean, testable code; participate in code More ❯
Posted:

Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Haystack
party services and manage data pipelines. Ensure performance, reliability, and scalability of applications. Frontend Development Build responsive user interfaces with React and TypeScript. Ensure cross-browser compatibility and seamless API integration. Full-Stack Collaboration Work cross-functionally to develop and ship new features. Own tasks from conception to production deployment. Cloud & Infrastructure Deploy and manage applications on cloud platforms … GCP. Contribute to CI/CD processes and containerization (e.g., Docker). Databases Develop and optimize SQL (PostgreSQL, MySQL) and NoSQL databases. Ensure data quality and performance. AI Tool Integration Use AI tools to streamline development and boost productivity. Share best practices for AI tool adoption across the team. Code Quality & Mentorship Write clean, testable code; participate in code More ❯
Posted:

Java Developer

Fetcham, Surrey, United Kingdom
Avanti Recruitment
ensure you are delivering excellent service to the companies clients. Experience needed: Strong Java experience Solid understanding of OOP Experienced with Spring or Springboot frameworks REST APIs design and integration Familiarity with SQL and relational databases (MySQL/PostgreSQL) Agile Development Understanding and usage of CI/CD such as Jenkins Desirable: AWS (Aurora/Lambdas) Docker/Kubernetes More ❯
Employment Type: Permanent
Salary: GBP 60,000 - 70,000 Annual
Posted:

Java Developer

SE1, Chaucer, Greater London, United Kingdom
Avanti Recruitment
ensure you are delivering excellent service to the companies clients. Experience needed: Strong Java experience Solid understanding of OOP Experienced with Spring or Springboot frameworks REST APIs design and integration Familiarity with SQL and relational databases (MySQL/PostgreSQL) Agile Development Understanding and usage of CI/CD such as Jenkins Desirable: AWS (Aurora/Lambdas) Docker/Kubernetes More ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum
Posted:

Java Developer

KT22, Leatherhead, Surrey, United Kingdom
Avanti Recruitment
ensure you are delivering excellent service to the companies clients. Experience needed: Strong Java experience Solid understanding of OOP Experienced with Spring or Springboot frameworks REST APIs design and integration Familiarity with SQL and relational databases (MySQL/PostgreSQL) Agile Development Understanding and usage of CI/CD such as Jenkins Desirable: AWS (Aurora/Lambdas) Docker/Kubernetes More ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum
Posted:

Senior Software Developer (PHP/Laravel/JS)

Norwich, Norfolk, United Kingdom
Verisk
to be gained from at least 5 years of professional experience) Commercial experience with Laravel (ideally 11+) Angular or similar MVC JavaScript framework Knowledge of Automation toolsets Industry standard API integrations (JSON, Restful etc.) Source Control such as Git Experienced user of JIRA A love of technology and desire to continuously develop and improve Highly Desirable Bootstrap Scrum/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

API Integration developer

Nationwide, United Kingdom
Tenth Revolution Group
Responsibilities and Duties: API Solution Design & Development Architect and implement secure, scalable RESTful APIs to integrate Employment Hero with external platforms. Implement OAuth 2.0 and token-based authentication for API access. Manage the API lifecycle including testing, deployment, version control, logging, and monitoring. Use Python (e.g. FastAPI) and Azure services (e.g. Azure Functions, Microsoft Fabric pipelines) for … development and orchestration. Document integration specifications and processes clearly for future maintenance and support. Collaboration & Client Integration Support: Liaise with third-party vendors and client IT teams to align technical details. Work closely with Technoivity consultants to align API designs with functional requirements. Participate in workshops, contribute technical insight, and support user acceptance testing. Deliver training, handover More ❯
Employment Type: Contract
Rate: £300 - £400/day
Posted:

Application Integration Specialist

Southampton, Hampshire, United Kingdom
Hybrid / WFH Options
gen2fund.com
Gen II (UK) Southampton Southampton, WHIT PO157AD, GBR We are seeking a skilled and detail-oriented Application Integration Specialist to join our dynamic team. The ideal candidate will possess strong technical expertise integrating enterprise accounting software or investment management software, ideally Investran and/or related platforms like Yardi, eFront, AllVue and Sage Intacct. What you'll be doing … As an Application Integration Specialist, you will play a pivotal role implementing, and maintaining application integrations, ensuring smooth operation. You will work closely with various application owners, business stakeholders, and peer technology teams, to support and enhance the efficiency, usage and optimization of our global technology offering. Your primary responsibilities will include: Managing, developing and supporting the integration … equivalent higher education) in Information Technology, Data Engineering, or a related field; Proven experience working with enterprise accounting software and/or private equity/investment management software integrations. API Integration experience with MuleSoft and/or API Development experience. Experience in system configuration, customization, and integration of financial applications. Investran or similar platform certifications beneficial. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer (Enterprise DataWarehouse Developer)

London, United Kingdom
LMAX Group
SSIS, etc ) or open source Meltano, Airbyte, and Airflow Proven experience with DBT (data build tool) Proficiency with business intelligence tools (Power BI, Tableau, SAP BI, or similar). Integration & Programming Hands-on experience with API development and integration (REST/SOAP) Proficiency in at least 1 object/procedural/functional language (e.g: Java, PHP, Python More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Haystack
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/… Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering More ❯
Posted:

Junior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Haystack
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/… Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering More ❯
Posted:

Junior Software Engineer

South East London, England, United Kingdom
Hybrid / WFH Options
Haystack
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/… Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering More ❯
Posted:
API Integration
10th Percentile
£42,325
25th Percentile
£54,688
Median
£70,000
75th Percentile
£83,750
90th Percentile
£100,000