501 to 525 of 750 REST Jobs in London

FinTech Technical Support Engineer — Customer-Focused

Location
Greater London, England, United Kingdom
resolve complex problems, balancing customer needs with internal priorities. You should have 2+ years in a customer-facing role and experience with REST APIs, SQL, CSS/HTML, and at least one coding language (JavaScript or Python). #J-18808-Ljbffr ...

Applications Engineer - Finance Systems & Integrations

Location
City Of London, England, United Kingdom
backlog, roadmap, configuration, patching and upgrades for finance applications (Elite 3E, Carpe Diem, Emburse). You bring deep expertise in Azure Integration Services, REST APIs, SQL, and Power Platform or Fabric, with strong SQL skills. You can troubleshoot complex issues, explain technical concepts to non‐technical audiences, and collaborate with ...

Golang Engineer: Data-Driven Microservices (Hybrid UK)

Location
City Of London, England, United Kingdom
month contract with a competitive day rate. You will work on transforming financial services platforms, focusing on secure Go microservices, REST APIs, and modern deployment practices using Kubernetes and Helm. #J-18808-Ljbffr ...

Client-Facing AI Implementation Engineer

Location
Greater London, England, United Kingdom
integrations and provide expert advisory services through API-focused guidance. You will work with customers to gather requirements, deliver demonstrations, and streamline implementation using REST/SOAP APIs and cloud-based solutions. The role requires 1-3 years in SaaS, strong communication skills, and hands-on AI experience to improve ...

Senior ServiceNow GRC Architect: Enterprise Platform Lead

Location
Greater London, England, United Kingdom
into architectural blueprints and lead governance, performance tuning, and security efforts across IRM, SecOps, ITSM, ITOM, and CSM modules. Architect and oversee integrations via REST, SOAP, JDBC, and MID Server, guiding agile teams and ensuring high-quality deployments while staying current #J-18808-Ljbffr ...

Remote Python Developer: Data Apps & AI Engineering

Location
Greater London, England, United Kingdom
established team working from prototype to production. Key work includes deploying Python web apps, creating intuitive UI data interfaces, integrating with Snowflake and REST APIs, and #J-18808-Ljbffr ...

Contract Senior Full-Stack Engineer – Java 21 / React / AWS

Location
Greater London, England, United Kingdom
Developer to build a Forms capability using Java 21/Spring Boot backend and React/Vite/TanStack frontend, containerized for AWS EKS. REST/JWT integration will leverage existing platform services such as Cognito and S3. The contract spans 1 month with a possible extension and requires ...

QA Automation Engineer - Java/API Testing in CI/CD

Location
Greater London, England, United Kingdom
join a multidisciplinary team building quality into complex digital services. You will design, develop and maintain automated tests (Java, Serenity BDD, Cucumber, Selenium, REST Assured) across APIs, user journeys and integrations. You will collaborate with developers, business analysts and product owners to define acceptance criteria, balance risk-based testing ...

Senior Angular Frontend Engineer – Remote/Hybrid

Location
Greater London, England, United Kingdom
collaborative product team. Expect a hands-on role with strong Angular, TypeScript, HTML/CSS skills, and an emphasis on quality, testing and secure REST API integration. Hybrid/Bath plus remote options enable flexible patterning of delivery and collaboration. #J-18808-Ljbffr ...

Senior Front-End Engineer: React & TypeScript

Location
Greater London, England, United Kingdom
with product, design and engineering. The ideal candidate has five years of commercial software experience, strong UI/UX focus, and comfort working with REST APIs, Git, and modern #J-18808-Ljbffr ...

AI-Driven Data Scientist & ML Ops Engineer

Location
Greater London, England, United Kingdom
develop scalable APIs and data services for analytics, and to build modern web applications using React, Angular or Vue. The role involves integrating REST/GraphQL APIs, implementing secure access, and collaborating with cross-functional teams to translate business needs into practical solutions. The candidate will work across Data Science ...

Senior iOS Engineer - Banking (Hybrid, London)

Location
Greater London, England, United Kingdom
developers in an Agile environment to deliver high-quality features and a great user experience. The role requires strong Swift, UIKit, and MVVM experience, REST API integration, and solid testing with XCTest/XCUITest. You will contribute to CI/CD pipelines and work across distributed teams in a fast ...

Contract Python Django Developer

Location
Greater London, England, United Kingdom
strong Python Developer to work with our client across multiple projects. Suitable individuals should be strong Python Developers with Django knowledge and experience. Django REST framework knowledge is key to this role alongside you strong Python ability. You should have strong backend development demonstrable experience and be comfortable working ...

Salesforce Apex Developer

Location
Greater London, England, United Kingdom
technical designs, and code. Participate in Agile ceremonies including estimation and sprint planning. Required Skills Validation Rules Approval Processes Security & Sharing Model Platform Events REST API integrations External Services and third-party integrations Integration patterns and asynchronous processing Git/version control and deployment best practices. #J-18808-Ljbffr ...

MuleSoft developer

Location
Greater London, England, United Kingdom
Experience APIs to support Salesforce and MCPS integration requirements.Configure and develop MuleSoft applications, flows, transformations, and connectors.Design data mappings and transformations using Data Weave.Develop REST and SOAP service integrations with enterprise applications.Collaborate with Salesforce developers to support inbound and outbound integrations.Implement security standards including OAuth, JWT, TLS, and API security ...

Salesforce Developer (Permanent)

Location
Greater London, England, United Kingdom
enterprise size companies Working knowledge and experience with complex business systems integration as well as object-oriented design patterns and development Knowledge of REST/SOAP APIs and experience building integrations with Salesforce Experience with Agile development methodologies such as XP/SCRUM A desire to work with the latest ...

Data Scientist Python Software - London

Location
Greater London, England, United Kingdom
Prior experience of using Python to perform calculations and generate datasets Good statistical knowledge Excellent communication and decision making skills Exposure to working with REST API's Any of the following skills would be an added bonus: Has run code across Hadoop/MapReduce clusters Has code running ...

Backend Engineer

Location
Greater London, England, United Kingdom
maintainable python. Desired Skills and Experience: Python, the standard library, and django Integration with an SQL-based DB, table design Integration with external http REST API’s NIX development (preferably debian/ubuntu) using git Teamwork: jump in and work with a group of talented engineers to jointly tackle tough ...

Microsoft Dynamics 365 Support Consultant

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
troubleshooting experience Experience troubleshooting integrations Knowledge of Power Apps, Power Automate and Dataflows Desirable skills include: D365 Customer Insights Journeys, Azure Data Factory, REST APIs, ClickDimensions, DocumentsCorePack, SQL Server and Microsoft Cloud for Nonprofit. Experience with charity fundraising systems is also valuable. Ready to make an impact? CLICK APPLY ...

Salesforce Marketing Cloud Solution Architect

Location
Greater London, England, United Kingdom
Cloud Next features, including Data Cloud integrations, unified customer profiles, and Agentforce/generative AI capabilities in marketing. Deep proficiency in AMPscript, SSJS, SQL, REST/SOAP APIs, and SFMC data extension schemas. Advanced knowledge of Journey Builder, Automation Studio, Contact Builder, Mobile Connect/Push, and Intelligence (Datorama). ...

Applications Engineer (Legal Technology)

Location
City Of London, England, United Kingdom
users and technical teams. You’ll bring: Experience in an applications-focused role supporting business-critical systems. Deep expertise in Azure Integration Services and REST APIs, SQL, Power Platform or Fabric. Strong SQL is particularly valued. Strong troubleshooting skills and an understanding of integrations and data flows. The ability ...

Data Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
development. Building SQL Server environments from the ground up. SSIS development and optimisation. Azure-based integrations, migrations, and data transformation projects. Python automation, REST APIs, and data integration. Stakeholder management and communication with both technical and non-technical audiences. Tableau or other data visualisation platform experience. THE BENEFITS: You will ...

Test Lead (End-to-End (E2E) Testing)

Location
City Of London, England, United Kingdom
Strong hands-on expertise in API/web service testing using JSON and SOAP protocols. Proficiency in tools such as SoapUI (or similar) for REST and SOAP API validation. Solid understanding of commercial insurance concepts , workflows, and common product flows. Excellent stakeholder management , communication , and cross-team coordination skills. Demonstrated ...

ServiceNow Technical Architect

Hiring Organisation
Initialize IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Chair the Design Authority and Architecture Review Board, reviewing and approving all High-Level and Low-Level Designs before build Define integration architecture standards (REST/SOAP, event-driven patterns, MID Server strategy) and oversee northbound/southbound integration design Establish CI/CD pipeline governance, update set promotion standards ...

Delivery Solutions Engineer

Location
Greater London, England, United Kingdom
feedback with Product/R&D. Requirements 3+ years in solutions engineering,system engineering, or system integration (SaaS/web). Strong knowledge of REST APIs, JSON, HTTP, and relational databases (SQL). Understanding complex system architectures and data flow. Experience in debugging, troubleshooting, and analysinglogs. Familiarity with HTML/ ...