1,351 to 1,375 of 2,572 REST Jobs

Senior QA Engineer / QA Lead

Location
Greater London, England, United Kingdom
describe a specific one, why it was flaky, and what made it deterministic. Experienced at API and service level with tools such as Postman, REST Assured, or an equivalent, including deriving test cases from an interface specification and stubbing or mocking a dependency they do not control. Reads application code ...

Data Integration Lead

Location
Manchester, England, United Kingdom
technical assurance. Technical Skills Experience designing, building and supporting integrations using technologies such as MuleSoft Anypoint Platform. Deep understanding of API-led connectivity, REST APIs, event-driven integration, batch integration, ETL/ELT patterns and synchronous/asynchronous integration approaches. Experience producing integration specifications, interface designs, data mappings, transformation logic ...

Data Integration Lead

Location
Greater London, England, United Kingdom
technical assurance. Technical Skills Experience designing, building and supporting integrations using technologies such as MuleSoft Anypoint Platform. Deep understanding of API-led connectivity, REST APIs, event-driven integration, batch integration, ETL/ELT patterns and synchronous/asynchronous integration approaches. Experience producing integration specifications, interface designs, data mappings, transformation logic ...

Sr Integration Consultant - Workday Success Plans

Location
Greater London, England, United Kingdom
Experience with Workday Cloud Connect for HCM, Cloud Connect for Financials and Workday Studio for HCM and Financials. Proficiency with web service technologies with REST & SOAP based web services, JSON, XML and XSLT. Fluency in English and another language either French, Spanish, Italian or German. Additional Qualifications Workday Certification ...

Manager - Microsoft Agent Builder - TC - FS

Location
Greater London, England, United Kingdom
strategy, solution packaging and application lifecycle management. Integrate agents and automations with systems of record using certified and custom connectors, Microsoft Graph, Dataverse and REST APIs, working within rate limits, shared service accounts and legacy interfaces, and escalating where no usable API exists. Configure governed grounding and retrieval over SharePoint ...

Software Engineer - .NET, Angular, Azure for AI SaaS

Location
Nottingham, England, United Kingdom
daily. Collaborate with Product, UX, and Engineering teams, write clean, well-tested code, and participate in code reviews. Experience with C#, .NET, Angular, TypeScript, REST APIs and Azure is required. #J-18808-Ljbffr ...

Web Platform Engineer (C#/TypeScript) – Hybrid in Manchester

Location
Lancashire, England, United Kingdom
spanning backend services, APIs and some frontend work, within a collaborative product team. You will work across C#/.NET and TypeScript, contributing to REST APIs, cloud infrastructure on Azure and scalable architectures. A strong emphasis on clean code and continuous learning is key. #J-18808-Ljbffr ...

Senior Python & React Full-Stack Engineer

Location
Glasgow, Scotland, United Kingdom
building scalable, cloud-based applications. You will work on backend services and modern UI using Python and React. Your role includes designing and integrating REST APIs and microservices, creating responsive frontend experiences, and collaborating with Architecture, Product, QA and DevOps in an Agile environment. #J-18808-Ljbffr ...

Senior Full-Stack Engineer (React) - Hybrid, Growth

Location
West of England, England, United Kingdom
permanent , contributing to end-to-end investment journeys from front-end to back-end services. You will develop with TypeScript and React, craft REST/GraphQL APIs, and participate in code reviews. Strong emphasis on cloud-native design, AWS testing, and accessible UI is expected. #J-18808-Ljbffr ...

Real-Time Backend Engineer | Crypto Trading Platform (London)

Location
Greater London, England, United Kingdom
processing, and real-time client APIs, collaborating closely with product, frontend, and trading teams. Applicants should have Kotlin or Python backend experience, proficiency with REST APIs and WebSockets, and knowledge of SQL, Docker/Kubernetes, and AWS. #J-18808-Ljbffr ...

Senior Oracle Cloud Integrations Engineer (UK, SC Clearance)

Location
Thatcham, England, United Kingdom
changes to improve the integration landscape and ensure robust performance across Oracle Fusion environments. The role requires 5+ years of Oracle Integration experience, strong REST/SOAP skills, and a track record of delivering secure, scalable integration solutions using Visual Builder Studio and related Fusion tools. #J-18808-Ljbffr ...

Senior OpenEdge Applications Engineer (APIs | Agile)

Location
Greater London, England, United Kingdom
London. You will design, develop, and maintain enterprise Progress OpenEdge applications, focusing on ABL/4GL, AppServer, and WebSpeed, while building SOAP/REST API integrations. The ideal candidate has 6+ years of OpenEdge development experience, strong debugging and Agile delivery skills, and proficiency with Azure DevOps/Jira ...

Java Developer - Neo4j & Microservices (6-Month Contract)

Location
Bolsterstone, England, United Kingdom
across back-end services with some front-end work, building APIs and microservices in a dynamic, agile environment. The role requires modern Java (11+), REST API design, and experience with graph databases like Neo4j. Angular frontend experience is a plus. Collaboration and problem-solving skills are essential for success ...

Senior .NET Engineer: Scalable Backend & API Expert

Location
Greater London, England, United Kingdom
systems. You’ll design and maintain robust APIs for web and mobile, emphasize security and performance, and mentor junior engineers. Strong DOTNET/C#, REST, and Agile experience are essential. #J-18808-Ljbffr ...

Senior Cloud Software Engineer (Azure/.NET)

Location
City of Edinburgh, Scotland, United Kingdom
Software Engineer in Edinburgh to design and deliver high quality software. You will work with a talented, agile team on Azure-based cloud platforms, REST APIs, and data processing workloads, mentoring colleagues and driving architectural best practices across delivery teams. You will engage with product management, apply SOLID principles ...

Full-Stack TypeScript Web Developer — React & Node.js

Location
Cambridge, England, United Kingdom
include writing clean, efficient code and collaborating with team members. Ideal candidates will have strong skills in React and Node.js, experience with Git and REST APIs, and a problem-solving mindset. This hybrid role requires 2 office days per week in Cambridge, plus occasional travel for company events. #J ...

Optimizely Developer: Build Scalable CMS & Platforms

Location
Greater Lincolnshire, England, United Kingdom
using Optimizely CMS and .NET technologies for a diverse client portfolio. The role requires strong C#/.NET development, experience with ASP.NET Core and REST APIs, and a solid grasp of HTML, CSS and JavaScript. Azure/Umbraco or headless architectures are a plus. On-site work with a focus ...

Senior Java Full-Stack Engineer — Trading Platform

Location
Nottingham, England, United Kingdom
Kingdom is seeking a highly technical Java developer to join a leading financial markets infrastructure and data provider. You will contribute to backend services, REST APIs, and web interfaces, collaborating with frontend teams and architects to deliver scalable solutions. We value 8+ years of software engineering experience, strong Java fundamentals ...

Senior AI-Driven Backend Engineer (Remote UK)

Location
United Kingdom
Provenir group, a global fintech company, is seeking a Senior Software Engineer to design, build and operationalise large-scale data solutions using REST APIs, Graph databases, AI and ML applications. The role is remote-first with base in the UK and involves hands-on development across Java and Spring Boot ...

TypeScript API Engineer | AWS & OpenAPI

Location
United Kingdom
Software Engineer to design and evolve a cloud-native API platform used by customer-facing apps and third parties. The role focuses on TypeScript, REST APIs and OpenAPI, with AWS, Docker and CI/CD in a containerised environment. You'll join a small, shipping-focused team delivering secure, scalable ...

Tosca Test Automation Engineer – Banking & CI/CD Expert

Location
Sheffield, England, United Kingdom
solutions using Tricentis Tosca for banking applications. You will ensure high-quality delivery across business-critical platforms through MBT, API testing with Postman/REST, and robust data validation in SQL. The role requires strong experience in JIRA, qTest/ALM, and working within Agile/Scrum teams, with excellent ...

Vue.js Front-End Lead — Architecture, Mentoring & Scale

Location
Greater London, England, United Kingdom
coding standards, and mentoring teammates. Strong communication and a solid grounding in design patterns and micro-services are required. Experience with C#, .NET and REST APIs, Git, and CI/CD tools (TeamCity, Octopus) and cloud #J-18808-Ljbffr ...

Senior PHP/Laravel Developer — Remote 4d/wk, Outside IR35

Location
Northampton, England, United Kingdom
onsite per week with 4 days remote from a UK-based location. The ideal candidate has extensive PHP/Laravel experience, with REST APIs, MySQL and PHPUnit, plus hands-on contributions across AWS, Docker, and CI/CD workflows. Immediate start available. #J-18808-Ljbffr ...

Senior AI-First Full-Stack Engineer (Remote)

Location
Manchester, England, United Kingdom
push for reliability, performance and scalable AI-powered adviser workflows. We seek candidates with strong Python/Django production experience, solid React/TS, REST, background jobs, and a track record #J-18808-Ljbffr ...