26 to 50 of 144 API Integration Jobs in London

Senior Presales Engineer

Hiring Organisation
Uniphore
Location
City of London, Greater London, UK
product and engineering teams. Respond to RFPs and RFIs with detailed technical responses and well-reasoned solution designs. Advise clients on AI adoption strategies, integration with multi-modal data platforms, and industry best practices. Share market intelligence and competitive insights with the wider team to sharpen our regional … such as compute, storage, networking, and serverless functions, particularly as they relate to deploying and scaling enterprise AI and SaaS solutions. Practical experience with API integration and security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge ...

Senior Presales Engineer

Hiring Organisation
Uniphore
Location
London Area, United Kingdom
product and engineering teams. Respond to RFPs and RFIs with detailed technical responses and well-reasoned solution designs. Advise clients on AI adoption strategies, integration with multi-modal data platforms, and industry best practices. Share market intelligence and competitive insights with the wider team to sharpen our regional … such as compute, storage, networking, and serverless functions, particularly as they relate to deploying and scaling enterprise AI and SaaS solutions. Practical experience with API integration and security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge ...

Solution Architect

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
present, and secure approval for your designs at the Architecture Review Board. Champion Application Security: Define robust security requirements including OAuth 2.0, SSO, authentication, API security, and proactive threat modeling. Lead Agile Teams: Provide hands-on technical leadership throughout the sprint process. You will remove technical impediments, guide … Infrastructure: Proven experience with Cloud platforms ( AWS & Azure ), serverless deployments, and containerization optimization. Experience executing cloud migrations. Architecture & APIs: Strong background in REST APIs, API integration, and event-driven architecture. Comfortable using architecture modeling techniques (UML, C4). Security Expertise: Deep understanding of application security, access control, Single ...

Java Software Engineer

Hiring Organisation
Michael Page
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
familiarity with ORM frameworks (Hibernate/JPA). * Practical experience with trunk-based development. * Working knowledge of OAuth2/OpenID Connect, JWT, and secure API design. * Experience with CI/CD pipelines (Azure DevOps). * Demonstrated hands-on exposure to at least one of: LLM API integration ...

Java Software Engineer

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
familiarity with ORM frameworks (Hibernate/JPA). * Practical experience with trunk-based development. * Working knowledge of OAuth2/OpenID Connect, JWT, and secure API design. * Experience with CI/CD pipelines (Azure DevOps). * Demonstrated hands-on exposure to at least one of: LLM API integration ...

AI Solutions Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformative potential of AI within the firm through accelerated application delivery, rapidly deploying impactful solutions, and then seamlessly transferring the application code, cloud integration patterns, robust data models, and operational knowledge to respective business and engineering teams. This hands‐on engineering role is pivotal in shaping the future … pipelines for accelerated delivery. Implement robust MLOps practices to streamline model deployment, monitoring, and lifecycle management in cloud environments, including data versioning, feature store integration, and data pipeline management. Business Partnership & Solution Architecture: Collaborate closely with business and engineering teams to deeply understand their challenges and customer needs, identify ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
help build their business. Role Theyre looking for Java Engineers 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 ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
looking for an experienced (Principle/Team Lead) 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 ...

Data Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £429/day
Apache Spark and large-scale batch processing. Terraform, CI/CD pipelines, and Infrastructure as Code. Git/GitLab and modern software development practices. API integration and data services. Data warehousing, dimensional modelling, and dbt. Power BI familiarity. Experience working within government or highly regulated environments. What ...

Lead Data Scientist

Hiring Organisation
SBS
Location
London, UK
Strong communication skills, stakeholder engagement, and technical reporting Experience with Generative AI Retrieval-Augmented Generation, and cloud deployment Familiarity with financial data structures and API integration (desirable) Required Attributes: Highly motivated, adaptable, and able to work independently while collaborating with academic and industry teams Commercial awareness and ability ...

Lead Data Scientist

Hiring Organisation
SBS
Location
Greater London, England, United Kingdom
Strong communication skills, stakeholder engagement, and technical reporting Experience with Generative AI Retrieval-Augmented Generation, and cloud deployment Familiarity with financial data structures and API integration (desirable) Required Attributes: Highly motivated, adaptable, and able to work independently while collaborating with academic and industry teams Commercial awareness and ability ...

Lead Developer

Hiring Organisation
17918
Location
London, United Kingdom
technology can support organisational growth and profitability Experience in most of the following areas is good the more the merrier: SQL and database technologies API integrationsCloud platforms (AWS, Azure or GCP) Agile delivery methodologies Dynamics 365 Power Platform Power BI WordPress About You. You are likely ...

Junior Angular developer - Glasgow, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
TypeScript JavaScript ES6 HTML5 CSS3 Handson experience with RxJS and reactive programming Understanding of componentbased architecture and state management Experience with REST APIs integration Familiarity with Gitversion control systems Knowledge of responsive design and crossbrowser compatibility Basic understanding of web performance optimization techniques We are a Disability Confident Employer ...

Senior Front End Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
Need React & TypeScript : Strong experience building production React applications with TypeScript. Next.js Expertise : Demonstrable experience with Next.js, including SSR, SSG, App Router, API routes and middleware. Headless CMS Experience : Experience integrating with headless CMS platforms such as Directus, Contentful, Strapi, Sanity or similar. API Integration : Confidence working … with GraphQL and/or RESTful APIs. Quality Focus : A strong testing discipline, including unit, integration and end-to-end testing. Leadership & Mentoring : Experience leading or mentoring other frontend engineers and contributing to technical direction. Autonomy & Communication : A self-starting approach, able to make sound technical decisions independently ...

Senior CRO Front-End Developer

Hiring Organisation
Hookflash
Location
London, UK
with the ability to explain technical concepts clearly to both technical and non-technical stakeholders. Nice-to-have skills: Familiarity with backend technologies and API integrations. Hands-on experience with analytics tools (e.g., Google Analytics, GA4, Adobe Analytics). Understanding of SEO principles, performance optimisation, and accessibility standards. Previous ...

Senior CRO Front-End Developer

Hiring Organisation
Hookflash
Location
Greater London, England, United Kingdom
with the ability to explain technical concepts clearly to both technical and non-technical stakeholders. Nice-to-have skills: Familiarity with backend technologies and API integrations. Hands-on experience with analytics tools (e.g., Google Analytics, GA4, Adobe Analytics). Understanding of SEO principles, performance optimisation, and accessibility standards. Previous ...

Junior Frontend Developer

Hiring Organisation
Brandworkz
Location
London, UK
experience with React (hooks, state management, component lifecycle) Proficiency working with Material UI (MUI) to build consistent, scalable interfaces Strong understanding of RESTful API principles — consuming endpoints, handling async data, managing errors gracefully Comfort with modern JavaScript (ES6+) and core web fundamentals (HTML5, CSS3) Familiarity with version control using … authentication patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these ...

Junior Frontend Developer

Hiring Organisation
Brandworkz
Location
City of London, Greater London, UK
experience with React (hooks, state management, component lifecycle) Proficiency working with Material UI (MUI) to build consistent, scalable interfaces Strong understanding of RESTful API principles — consuming endpoints, handling async data, managing errors gracefully Comfort with modern JavaScript (ES6+) and core web fundamentals (HTML5, CSS3) Familiarity with version control using … authentication patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these ...

Junior Frontend Developer

Hiring Organisation
Brandworkz
Location
City of London, London, United Kingdom
experience with React (hooks, state management, component lifecycle) Proficiency working with Material UI (MUI) to build consistent, scalable interfaces Strong understanding of RESTful API principles — consuming endpoints, handling async data, managing errors gracefully Comfort with modern JavaScript (ES6+) and core web fundamentals (HTML5, CSS3) Familiarity with version control using … authentication patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these ...

Frontend Developer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
London, UK
following industry best practices React (Essential) Proven hands-on experience with React Strong understanding of: Functional components React Hooks Component composition State management Context API Performance optimisation techniques Experience developing scalable single-page applications (SPAs) Ability to build reusable, maintainable component libraries TypeScript (Essential) Strong commercial experience developing applications … build and CI/CD pipelines Frontend Engineering Experience developing responsive, accessible, and performant user interfaces Understanding of: Component-driven development Client-side routing API integration State management patterns Frontend performance optimisation Ability to consume RESTful APIs and integrate with backend services Apply Now and help shape ...

Frontend Developer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
City of London, Greater London, UK
following industry best practices React (Essential) Proven hands-on experience with React Strong understanding of: Functional components React Hooks Component composition State management Context API Performance optimisation techniques Experience developing scalable single-page applications (SPAs) Ability to build reusable, maintainable component libraries TypeScript (Essential) Strong commercial experience developing applications … build and CI/CD pipelines Frontend Engineering Experience developing responsive, accessible, and performant user interfaces Understanding of: Component-driven development Client-side routing API integration State management patterns Frontend performance optimisation Ability to consume RESTful APIs and integrate with backend services Apply Now and help shape ...

Frontend Developer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
City of London, London, United Kingdom
following industry best practices React (Essential) Proven hands-on experience with React Strong understanding of: Functional components React Hooks Component composition State management Context API Performance optimisation techniques Experience developing scalable single-page applications (SPAs) Ability to build reusable, maintainable component libraries TypeScript (Essential) Strong commercial experience developing applications … build and CI/CD pipelines Frontend Engineering Experience developing responsive, accessible, and performant user interfaces Understanding of: Component-driven development Client-side routing API integration State management patterns Frontend performance optimisation Ability to consume RESTful APIs and integrate with backend services Apply Now and help shape ...

ServiceNow Developer - JavaScript, API, Jira, Azure, ITSM, ITOM, Hybrid,12 months contract £700[...]

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ServiceNow Developer - JavaScript, API, Jira, Azure, ITSM, ITOM, Hybrid, 12 months contract £700 London, United Kingdom Posted 9 months ago Our client within the Public sector requires a proven SC Cleared ServiceNow developer to support the development of enterprise workflows and data-driven decisions. Technical Skills ServiceNow development JavaScript … API integration Jira Azure ITSM ITOM Compensation & Benefits Up to £700 per day Contract – 12 months #J-18808-Ljbffr ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure … departments NHS organisations Public Sector bodies Desirable Experience Candidates with any of the following will be particularly attractive: Python development experience AWS cloud experience API-first architecture and API management platforms Microservices architecture Containerisation (Docker/Kubernetes) Event-driven architectures Experience working on large-scale digital transformation programmes ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure … departments NHS organisations Public Sector bodies Desirable Experience Candidates with any of the following will be particularly attractive: Python development experience AWS cloud experience API-first architecture and API management platforms Microservices architecture Containerisation (Docker/Kubernetes) Event-driven architectures Experience working on large-scale digital transformation programmes ...