1,176 to 1,200 of 2,099 REST Jobs

Business Systems Analyst

Hiring Organisation
Travers Smith
Location
Greater London, United Kingdom
Employment Type
Full Time
matter management systems. Practical experience building and maintaining system integrations, including API-based and file-based methods. Ability to read and interpret API documentation (REST/SOAP) and work with JSON or XML payloads. Comfortable and confident in presenting large and complex data sets to different stakeholders. Experience with integration ...

QA Engineer with Automation & CI/CD Leadership

Location
Greater London, England, United Kingdom
maintain automated UI tests Test complex user journeys, state management, routing, validation, authentication, and accessibility Advise on testability improvements in frontend code Test REST APIs, service boundaries, integrations, retries, failure modes, and resilience patterns Contribute to test strategy for micro-services and distributed systems Validate API contracts, error handling, edge … Experience testing UI behaviour, forms, validation, routing, authentication flows, and browser compatibility Basic understanding of HTML, CSS, JavaScript, and browser developer tools Experience testing REST APIs and strong knowledge of API authentication, authorisation, routing, middleware behaviour, configuration, validation, and error handling Good understanding of C# and .NET application architecture Experience ...

Java Backend Developer

Location
City Of London, England, United Kingdom
software engineering . 4+ years of experience with Spring/Spring Boot and backend application development . 3+ years of experience developing and integrating REST APIs and relational databases . 3+ years of experience across the full SDLC, including design, development, testing, deployment, and production support . Core Technical Skills … Programming: Java Frameworks: Spring, Spring Boot API Development: REST APIs, System Integration Databases: SQL, Relational Databases Architecture: Object-Oriented Design, Design Patterns, Software Design Principles Testing: Unit Testing, Integration Testing Nice to Have Hands-on experience with Kotlin . Experience with Linux/Unix environments. Knowledge of Kubernetes and containerized ...

Agentforce Operations FDE

Location
Greater London, England, United Kingdom
Generation), vector databases, search indexes, and knowledge bases to supply agents with accurate enterprise context. Enterprise Integration & API Management: Develop and maintain custom APIs (REST, GraphQL, webhooks) and integration pipelines connecting AFO/Agentforce to Salesforce Data Cloud (Data 360), cloud warehouses (Snowflake, Databricks), and core ERPs (SAP, Oracle, NetSuite … building RAG pipelines, vector search indexes, and knowledge base retrievers for enterprise data. Multi‐Agent Systems & API Mastery: Practical experience with API design (REST/SOAP/webhooks) and modern agent protocols (e.g., MCP, tool calling, or event‐driven messaging architectures). Expertise in process orchestration and API‐led connectivity ...

Java Developer - Remote

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £525/day
development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring Boot, REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java … looking for Strong commercial experience with Java/Java SE/Java EE Solid Spring Framework experience, particularly Spring Boot Experience developing REST APIs and microservices Good knowledge of SQL and relational databases Experience with Git Understanding of OOP principles and design patterns Experience with Maven or Gradle Strong problem ...

Senior Full Stack Java Engineer

Location
Greater London, England, United Kingdom
intelligent engineering solutions that automate and enhance Software Development Lifecycle (SDLC) processes, improving developer productivity and accelerating delivery outcomes. Responsibilities Design and develop REST APIs, event-driven integrations, and messaging interfaces. Build and maintain integrations between Loan IQ and enterprise applications. Design and implement AI-powered agents and workflows that … integration performance. SKILLS Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking, or enterprise platforms. Deep understanding ...

Typescript Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £650.00 per day
company's approach to distributed data and developer experience. Day-to-day responsibilities include: Designing and implementing backend services in TypeScript using Node.js (REST, GraphQL, workers, event-driven consumers). Building and integrating services that interact with event-sourced or streaming systems. Creating clean, well-structured APIs and internal tools … engineering standards. Tech Stack & Skills Core skills: Expert-level TypeScript experience and strong proficiency with Node.js in production environments. Skilled in designing and implementing REST or GraphQL APIs, background workers, and microservices. Ability to work with SQL or NoSQL databases and understand how to model and query data effectively. Familiarity ...

Software Developer — .NET & REST APIs for Airport Tech

Location
Maidenhead, England, United Kingdom
Chauntry Ltd, part of BookFlowGo in the Holiday Extras Group, is seeking a Software Developer to build features for our Parkspace platform used by airports and parking operators. You’ll join a collaborative team delivering ...

Technical Lead API Integration and Lab Network

Hiring Organisation
CYNET SYSTEMS
Location
Rahway, New Jersey, United States
Employment Type
Permanent
Salary
USD Hourly
network architecture, experience with API integration and web services, and knowledge of communication protocols such as TCP/IP, HTTP/HTTPS, REST/SOAP, and MQTT or other device communication protocols. Experience connecting web applications with lab instruments and troubleshooting network, middleware, and interface issues. Familiarity with servers, firewalls ...

Solution Engineer (Integration Engineer)

Location
Greater London, England, United Kingdom
end. Proficiency in Microsoft SQL Server, including writing, interpreting, and troubleshooting complex queries, joins, and data transformations across relational structures. Solid understanding of REST/SOAP APIs, XML, and JSON, as well as system integration patterns and data mapping techniques. Familiarity with Boomi or a comparable integration platform, along with ...

Senior Frontend Architect — Real-Time React & TypeScript

Location
City Of London, England, United Kingdom
development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets, SSE) and REST APIs, plus state management (Redux) and SPA architectures, is essential. #J-18808-Ljbffr ...

React Software Engineer — Remote/Hybrid (Sussex)

Location
England, United Kingdom
collaborate with an agile team. The role requires strong React, TypeScript, and modern frontend skills, plus experience with state management, testing, and REST APIs. The ideal candidate has hands-on UI experience, knowledge of JSON‐schema forms, and a track record of delivering high‐quality code in distributed teams. #J ...

Frontend React Developer

Location
Sheffield, England, United Kingdom
responsive web applications using React.js. Build reusable UI components and front‐end libraries. Implement state management using Redux, Context API, or equivalent frameworks. Integrate REST APIs and backend services. Optimize applications for performance, scalability, and security. Participate in code reviews, testing, and CI/CD deployment activities. UX Design Create ...

Integration Engineer (Maximo) | Contract (12 months+) | SC Clearance Required | Inside IR35

Hiring Organisation
WeDoTech
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600/day
Integration Engineer/Integration Developer within complex enterprise environments. Experience designing and developing APIs and system-to-system integrations . Strong understanding of REST APIs, web services and integration patterns . Experience working with JSON, XML and data transformation/mapping . Experience troubleshooting and resolving complex integration and interface ...

Identity & Access Management (IAM/IDAM) Engineer

Location
Greater London, England, United Kingdom
included) Worldwide Travel Insurance which is non-contributory (spouse and dependants included) Benefits Platform offering various retail and leisure discounts Experience integrating applications using REST APIs, web services and identity data sourcesExperience with enterprise directory services including Active Directory, LDAP and Microsoft Entra IDAbility to create and maintain technical documentation ...

Data Architect

Location
Greater London, England, United Kingdom
data requirements required to support critical business processes and data solutions. Own integration and data sharing standards, including interface specifications such as JSON and REST APIs, ensuring that structures support interoperability, decoupling and future-proofing. Represent information in forms appropriate to the solution context, including UML-friendly models, JSON structures ...

Applied AI ML Lead - DocAI

Location
Greater London, England, United Kingdom
implementing pipelines using DAGs (e.g. Kubeflow, DVC, Ray) Experience of big data technologies (e.g. Spark, Hadoop) Have constructed batch and streaming microservices exposed as REST/gRPC endpoints Familiarity with GraphQL #CIBAppliedAI #J-18808-Ljbffr ...

Senior Software Engineer (iOS)

Location
Greater London, England, United Kingdom
handling latency, fallbacks, guardrails) and/or conversational UXSwiftUI for building production UIs; familiarity with UIKit and interoperability is a plusSolid understanding of JSON, REST, WebSockets, streaming APIs and robust networking layers (error handling, retries, offline support)Strong grasp of iOS architecture (e.g., MVVM, Clean Architecture, modularization) suitable ...

Software Development Engineer - Test, Device Partnerships, Prime Video

Location
Greater London, England, United Kingdom
working with device technologies under development, familiarity with flashing firmware, basic device debugging and familiarity with reading/pulling device logs, or experience with REST web services, XML, JSON Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make ...

Applied AI ML Lead - DocAI

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
implementing pipelines using DAGs (e.g. Kubeflow, DVC, Ray)Experience of big data technologies (e.g. Spark, Hadoop)Have constructed batch and streaming microservices exposed as REST/gRPC endpointsFamiliarity with GraphQL#CIBAppliedAIJ.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations ...

Technical Integrations Consultant

Location
Greater London, England, United Kingdom
Ticketing, CLM, and TPRM systems. Experience using iPaaS tools to configure integrations required. Experience with Python/Javascript scripting Experience working with XML/REST based endpoints and standard authentication protocols. Past ERP implementation, integration, configuration or administration experience is beneficial but not required. Ability to translate highly technical information ...

Full-Stack Web Developer

Location
Brighton, England, United Kingdom
your signature. Design and implement robust server-side architecture for the Parcks website using Node.js, Deno, or equivalent modern frameworks. Build and maintain secure REST or GraphQL APIs connecting SP modules, Capsule services, and web content layers. Integrate and maintain front-end logic built by the UI and UX teams ...

Senior Software Engineer, Context Layer

Location
Boston, England, United Kingdom
stack — frontend, tooling, infra — when the problem calls for it. Experience designing, building, and operating distributed backend services in production. Experience designing and operating REST APIs. Experience modeling and serving graph-structured or richly-relational data Experience integrating LLMs into backend systems — structured extraction, prompt-based enrichment, or evaluating ...

Technical Services Consultant, EMEA (Services Team)

Hiring Organisation
Semrush
Location
London, United Kingdom
equivalent Demonstrable experience working directly with engineering and development teams as a trusted technical advisor, not just a support contact Strong working knowledge of REST APIs, authentication patterns (OAuth, API keys, JWT), webhooks, and integration architecture; you can review an integration design and immediately identify what's wrong Comfortable reading ...