API Integration Jobs in London

1 to 25 of 55 API Integration Jobs in London

Senior Java Software Engineer

Greater London, England, United Kingdom
LMS Markets
We are seeking an experienced Senior Java Developer with a solid track record in FIX API integration and a strong grasp of modern software containerization and orchestration technologies to join our dynamic team. The ideal candidate will play a pivotal role in the development and integration of … our trade capture module using FIX protocol. Key Responsibilities: Lead the FIX API integration effort for the trade capture module, employing containerization and orchestration with Docker and Kubernetes . Design, develop, and test Java components using JUnit or similar testing tools. Collaborate with the existing development team to … ensure seamless integration with our current technology stack, including Kafka or RabbitMQ for messaging. Implement and maintain database solutions with PostgreSQL or other relational databases, and Redis Utilize Docker Compose for defining and running multi-container Docker applications and implement CI/CD pipelines using GitHub Actions or similar more »
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Back-End Developer

London, United Kingdom
In Technology Group
and Group Technical Director. The client requires Developers to be educated up to MSc level. The client currently has various workstreams such as: Directory integration, similar to a Yellow Pages format with integration for text, voicemail and pictures. Google Maps Integration API Health Code integration APIs Nuance API for voice recognition Payment Integration Bidding and matching algorithms Microsoft SHIFTS calendar booking E-commerce Store Azure Security Technical Requirement ASP.Net C# Azure API Integration If the skill set is relevant, matches your experience and you're interested, please apply now. In more »
Employment Type: Contract
Rate: £300 - £325/day
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Front-End Developer

London, United Kingdom
In Technology Group
and Group Technical Director. The client requires Developers to be educated up to MSc level. The client currently has various workstreams such as: Directory integration, similar to a Yellow Pages format with integration for text, voicemail and pictures. Google Maps Integration API Health Code integration APIs Nuance API for voice recognition Payment Integration Bidding and matching algorithms Microsoft SHIFTS calendar booking E-commerce Store Azure Security Technical Requirement React or Angular Azure API Integration If the skill set is relevant, matches your experience and you're interested, please apply now. more »
Employment Type: Contract
Rate: £300 - £325/day
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Card Issuing & Acquiring Senior Analyst (Fintech & Payment)

London Area, United Kingdom
Financial House
and ensuring compliance with their requirements. Work independently on project timelines, managing multiple projects with varying degrees of complexity and urgency. Stay abreast of API integration techniques and practices, ensuring seamless integration with third-party services and systems. Ensure compliance with regulatory and legal requirements related to … and a solid grasp of their operational and compliance requirements. Proven ability to work independently and manage projects with minimal supervision. Strong knowledge of API integration processes and technologies. Familiarity with the regulatory and compliance landscape of card issuing and acquiring in the UK and EU. Exceptional analytical more »
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Systems Integration Specialist

London, United Kingdom
Hybrid / WFH Options
MFK Recruitment
Our client based in Brentford is seeking a Systems Integration Specialist/Senior Software Engineer to join their team.MFK Recruitment has successfully recruited 4 individuals to the team in the past 3 years, all 4 candidates are still with the company and enjoying their roles!The Systems Integration … inspired by their recent advances in theoretical neuroscience, which are beginning to deliver an understanding of how the brain makes sense of the world.Systems Integration Specialist – Job Summary:We have an exciting opportunity for a Software Developer/Engineer to work as part of a machine vision software development … engines integrate efficiently with the workflow systems that will be used by end users. They will be required to work with customers to define API requirements and align API functionality to deliver scalable, efficient and reliable integration. They, working with other colleagues will need to develop and deliver more »
Salary: £ 70 K
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Realtime Risk Java Developer

London Area, United Kingdom
CRISIL Limited
virtualization, containers, docker, Kubernetes, potentially in production environments, but at least for testing purposes Production monitoring ex ELK , ELG, Splunk , Dynatrace or similar gRPC api development and integration API Gateway configurations Headless Authentication , SSO , OAuth Integration , BDD Test Frameworks Experience with developing backend service for front … end ( BFF Services ) Creating and implementing automated unit, integration, and regression tests Possessing secure coding abilities Prioritizing code quality and test coverage Being familiar with source control, CI/CD, and documentation tools such as Azure DevOps, Confluence, Fortify, Git, Maven Having experience in Agile methodologies Working on EOD more »
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Senior Test Engineer - Remote - £65k

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
tech team Remote working, must be located in the UK You will be responsible for the management of test mocks and Stubs and the integration of tests into a Continuous Development environment. It allow you to collaborate with other Test Engineers, Developers, and Infrastructure to allow for automation integration, environment mocking, Continuous Integration (CI)/Continuous Delivery (CD) Application Program Interface (API) integrations and other methods for defect detection earlier in the testing life cycle. Proven experience as a Senior Test Engineer Experience in automation testing skills, using Selenium Web Driver and Cucumber/Gherkin/… Specflow or similar Development skills in C# .Net (MVC/REST APIs), HTML5/CSS REST API Integration testing using Postman or similar Non-functional testing using JMeter, Gatling, NeoLoad or LoadRunner Experience of testing enterprise applications deployed to cloud environments An understanding of Git, BDD, cloud infrastructure more »
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Integration Lead

London Area, United Kingdom
Hybrid / WFH Options
TRIA
Integration Lead - FinTech - up to £100,00 - London/Edinburgh A recently created role with a rapidly growing SaaS organisation. This is an excellent opportunity for someone with great communication skills and strong technical knowledge to contribute heavily to a business roadmap. Within this role you will: Lead senior … within a SaaS organisation ideally FinTech. 10+ years' experience in client facing technical roles, including hands on experience managing technical teams. Technical experience with: API integration AWS or Azure This role is hybrid and can be based in either London or Edinburgh (you will be expected in office more »
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Backend Java Developer

London, England, United Kingdom
Version 1
Developer with a strong background in the Financial Services Domain. The ideal candidate should possess a solid foundation in backend Java, Spring Boot and API development having strong exposure to SQL and data engineering. A person with high mental aptitude, problem solving and debugging skills, proactive, self-motivated and … required to support implementation. Design,build,implement,test,andmonitorbestinclasssoftwarecomponentsforData Engineering using Java and other relevant technologies. Application development for Data Governance and Data Quality API integration and redesign for data set exchanges Supportusersinresolvingissuesbytroubleshooting,providingworkarounds,orescalating to vendor. Implement and optimize database interactions using technologies like Oracle, ensuring data more »
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SC Cleared Java Development Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
ARM
front-end technologies) * Managing the exchange of data between different backend services (owned by separate development teams) and front-end application and third party API integration * Development of all server-side logic, working with BA and Quality Assurance to ensure business logic is implemented as required and fully … testable * Introducing and owning technical user stories for integration and service optimisation * Documenting solutions through flowcharts, diagrams, code comments, clear code and via Confluence/knowledge base articles * Ensuring compliance with quality guidelines (Unit Tests, Code Quality, Test Driven Development) * Addressing non-functional requirements and operational/support-relevant … logging, capacity/performance management, monitoring and distributed tracing/debugging) * End-to-end thinking during development - supporting and improving releases from test to integration and production environments * Proactive skill and artefact building with regards assessing and adopting new technologies * Presentation and demonstration of concepts and services via show more »
Employment Type: Permanent
Salary: £60000 - £65000/annum
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Senior QA Engineer

London, United Kingdom
Moneybox
and escalation for QA issues relating to your squad.Agree QA strategy on a project level, deciding on the types of QA activities required (incl. Integration, Automation, E2E, Live Proving, etc).Plan and organise QA activities within the squad (incl. organising Amigos & Test Plan reviews). This will include reviewing … work.Support the organisational shift towards continuous testing delivery (incl. implementing automated testing frameworks).Assess feature suitability for test automation (incl. unit tests for developers, API integration tests and App UI tests).Manage releases for your squad (incl. management of feature flags).Log, prioritise and track bugs to completion … is essential.1+ year line management/coaching experience.Demonstrable test framework implementations on more than one tech stack.Deep understanding of query languages, programming languages and API architectures (e.g. SQL, Java, JavaScript, XML, REST).Deep understanding of web, API and database testing technologies and frameworks.Experience in test data design and more »
Salary: £ 70 K
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Junior Software Engineer - C# .Net

London Area, United Kingdom
Hybrid / WFH Options
Recruitment Gamechangers
Experience (1+ year) working with AWS S3, Athena, ECS, Cloud Formation, Lambdas & Cloudwatch. Experience (1+ year) with concurrent development source control (GIT). Systems integration experience (1+ year) with networking, data migrations, API integration and design. Enthusiasm for clean systems, including documentation, logging, and reproducibility. Excellent presentation more »
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Senior WordPress Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
Internet Matters
business objectives and user needs. Problem-Solving and Debugging: Actively troubleshoot and resolve website issues, serving as a go-to expert for technical challenges. API Integration and Deployment: Integrate and work with third-party APIs as required to support our digital products. Establish and maintain good deployment practice … Analytics, Google Console (Core Vitals), Facebook and Twitter Analytics, Hotjar, Dot Digital, and Supermetrics. Documentation: Maintain concise and accessible technical documentation, covering technical architecture, integration configuration, processes and code for knowledge sharing within the team and with external partners. Skills, knowledge and experience: Qualifications: Degree educated or compensating work … Database Management: Experience with database management, including MySQL. Website Feature Implementation: Ability to implement and maintain custom post types, taxonomies, plugins, and custom REST API endpoints. Troubleshooting Skills: Proficiency in identifying and resolving website issues. Excellent communication skills. Hosting and Server Management: Familiarity with hosting solutions (WPengine), DNS, and more »
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Senior Backend Developer (PHP) Fully Remote

London, United Kingdom
Hybrid / WFH Options
Pentasia
talented developers to maintain and enhance our platform. Proficiency in PHP, JavaScript, and database management systems is essential. Additionally, experience with server-side development, API integration, and writing efficient, scalable code is highly valued. Responsibilities:Develop and maintain high-quality, testable code for backend functionalitiesImplement features and functionalities … CSS & LessVanilla Javascript, jQuery, TypeScriptKnowledge of GitExpertise in database management systems (e.g., MSSQL, MySQL)Understanding of object-oriented programmingExperience with server-side development and API integrationStrong knowledge of writing efficient, scalable codeExtra/Plus:Experience with additional programming languages such as PythonFamiliarity with design tools like Photoshop and FigmaProficiency more »
Salary: £ 100 K
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Senior Software Engineer - Investment Guideline Monitoring IT

London, England, United Kingdom
ubs
plus years’ experience; previously held a similar senior developer role • strong coding skills are a must – database Oracle 19c, SQL, .NET web component, API integration • hands-on development experience using GitLab, CI/CD. • knowledge of Linux, Scripting (PowerShell, Batch) and scheduler tools like Autosys • knowledge of Asset more »
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GCP Cloud Engineer

London, England, United Kingdom
dmg media
and AWS. Evangelise topics such as monitoring, performance, and reliability throughout our IT Support and delivery teams Be keen to develop scripting capability and API integration in one or more popular languages. Act as a technical escalation point for the Service/applications owners to resolve issues swiftly more »
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Full Stack developer WordPress/React

London, United Kingdom
Hybrid / WFH Options
La Fosse Associates Ltd
development) using Git branches (main, staging, dev) * Knowledge of Node.js for tasks such as Sass processing, minification, and code optimization * Experience transitioning towards REST API integration, including migration from Gravity Forms webhooks to GraphQL/RestAPI functionality. Benefits: * Digital First, fully remote working (we have no offices!) with more »
Employment Type: Permanent, Work From Home
Salary: £40,000
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Senior Unity Developer

East London, London, United Kingdom
Hybrid / WFH Options
Maclean Moore Ltd
write robust and maintainable code Ability to work with software version control systems Experience working in large interdisciplinary teams Experience with server-side technologies (api integrations, node, aws admin etc..) Strong interest in digital physical installation Eye for details. Animations, UI Desirable: Experience wit h Unreal + Blueprints and more »
Employment Type: Permanent
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Senior Unity Developer

South East London, England, United Kingdom
Hybrid / WFH Options
Maclean Moore Ltd
write robust and maintainable code Ability to work with software version control systems Experience working in large interdisciplinary teams Experience with server-side technologies (api integrations, node, aws admin etc..) Strong interest in digital physical installation Eye for details. Animations, UI Desirable: Experience with Unreal + Blueprints and/ more »
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Java Solution Architect

London, England, United Kingdom
Hybrid / WFH Options
Version 1
of sectors and industries. Java Solution Architect Job Description You will be: Leading the development of Java and Python development projects. Designing and develop API integrations using Spark. Collaborating with clients and internal teams to understand business requirements and translate them into HLD and LLD solutions. Defining the architecture more »
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Lead Pega Engineer

London Area, United Kingdom
TP Embedded Solutions Ltd
application frameworks, and data models. Service Connector, integrating PRPC to third-party systems using Services (JSON, XML, HTTP), integrating Pega with other Technology Platforms, API, Data model, UI, security in PEGA 8. Skills: Pega CLSA/Pega 8(7/6): All applications are built using Pega 8. Given … starting a new application with Pega CS, so previous experience withing Pega customer service will be vital to help deliver upon these solutions. REST API integration : Our Pega applications heavily rely on REST integrations. Understanding and designing similar environments will be vital to the position. SQL : To provide more »
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Senior Software Engineer

London Area, United Kingdom
Vallum Associates
plus years’ experience; previously held a similar senior developer role • strong coding skills are a must – database Oracle 19c, SQL, .NET web component, API integration • hands-on development experience using GitLab, CI/CD. • knowledge of Linux, Scripting (PowerShell, Batch) and scheduler tools like Autosys • knowledge of Asset more »
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Senior Java Engineer - Multithreading

London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
with multithreading, low latency, concurrency and core java principles. Day to day responsibilities will include building microservices, using Docker and Kubernetes and 3rd party API integrations. You will also be working with big data technologies like Hadoop, Kafka and Cassandra.This Senior Java Engineer (Multithreading) role will be a strong more »
Salary: £ 100 K
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Software Engineering Manager

London Area, United Kingdom
Innova Recruitment
For now, this will still be a hands-on role and is a perfect mix of the following: Working across the full-stack (microservices, API integrations, frontend components) Building and evolving an MVP for a new platform, adjacent to an already successful suite of products Leading members of the more »
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MarTech Solution Architect - (Remote - UK-based)

Central London, London, United Kingdom
Hybrid / WFH Options
Hiring People
CDP), and Analytics. The ideal candidate will bring a wealth of experience and knowledge in architecting and implementing cutting-edge MarTech solutions, ensuring seamless integration across platforms and driving superior marketing performance. Responsibilities Include: Architecting and implementing a MarTech solution that aligns with the company's marketing strategy, facilitating … seamless integration across CRM, Marketing Automation, CDP, and Analytics. Working closely with stakeholders to translate business objectives into technical solutions. Leading the MarTech implementation, including system configurations, customizations, and enhancements. Documenting the MarTech architecture, including data flows and integration points, ensuring clarity and consistency. Advising on data governance … in CRM, Marketing Automation, CDP, and Analytics platforms. A strong grasp of digital marketing strategies, data analytics, and best practices. Proficient in data modeling, API integration, and technical problem-solving. Excellent communication skills, capable of effectively collaborating with both technical and non-technical teams. A bachelor's degree more »
Employment Type: Contract
Rate: £550 - 650 per day
Posted:
API Integration
London
10th Percentile
£49,250
25th Percentile
£57,750
Median
£72,500
75th Percentile
£85,000
90th Percentile
£96,250