201 to 225 of 750 REST Jobs in London

Solution Architect - London Market Insurance

Location
Greater London, England, United Kingdom
defining migration strategies, target-state architectures, and modernization roadmaps. Expertise in documenting current-state and future-state technology landscapes. Technical Skills API-led architecture, REST APIs, and event-driven integration. Microservices architecture, Docker, and containerization technologies. Microsoft Azure and cloud-native solution design. Security, Identity & Access Management (IAM). Architecture ...

IBM Z Dev/Ops / Automation Engineer

Location
Greater London, England, United Kingdom
secure secrets management using HashiCorp Vault, applying least-privilege principles and integrating secure credentials into CI/CD and AAP workflows. Design and maintain REST API integrations and enterprise service interfaces. Support configuration drift detection, automated remediation, compliance governance, and secure engineering standards. Document reusable automation patterns and operational procedures ...

SC-Cleared Boomi Developer

Location
Greater London, England, United Kingdom
experience developing integrations using Boomi AtomSphere . Experience integrating with one or more of: Salesforce NetSuite Oracle E-business Suite (EBS) Strong knowledge of: REST APIs SOAP Web Services XML JSON JavaScript and/or Groovy Scripting Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Ability ...

Mid-Level Developer

Location
Greater London, England, United Kingdom
component state- MySQL, including experience writing non-trivial queries and understanding indexes and query performance- Experience consuming, integrating and debugging third-party REST APIs and webhooks- Git, branch-based development and code review- Careful handling of live production systems and sensitive data- A thorough, verify-before-you-ship approach ...

Front End Developer

Location
Greater London, England, United Kingdom
wanted user experience improvements; all to drive more business safely. You must have a successful experience developing real-time web front ends using both REST and websockets APIs. We are particularly looking for developers with an excellent knowledge and understanding of the software engineering fundamentals as well as strong solution ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Greater London, England, United Kingdom
/blotters, memoization, Suspense/Concurrent features, and profiling. Champion resilience: graceful degradation, offline/slow network fallbacks, retry/backoff for streaming and REST, circuit breaker patterns at the UI edge. Enforce automated testing (unit, integration, and UI E2E) and CI/CD with quality gates. Instrument analytics, logging ...

Associate Software Developer (Web)

Location
City Of London, England, United Kingdom
Collaboration: Work closely with developers, testers, and product stakeholders to understand requirements, clarify details, and deliver practical solutions. Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform ...

Amazon Connect, Principal Consultant

Location
Greater London, England, United Kingdom
Node.js with production deployment experience Experience with AWS services: Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, CloudFormation or Terraform Hands‐on experience with REST API development and integration of contact centre platforms with CRM/backend systems Experience with CI/CD pipelines, version control (Git), and infrastructure as code ...

Senior Bureau Messaging Integration Architect

Location
Greater London, England, United Kingdom
bordereaux standards.* Experience with delegated authority or Lloyd’s ecosystem platforms.* Experience with tools such as Azure Integration Services, MuleSoft, Boomi, IBM MQ, Kafka, REST/SOAP, XML, JSON, and managed file transfer solutions.* Knowledge of cloud and hybrid integration architecture.* TOGAF or similar architecture framework knowledge.* Degree in Computer ...

Apigee Engineer: Apigee, GCP, Google Cloud, API

Hiring Organisation
Curo Services
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 349 Daily
knowledge of Apigee X proxies, shared flows, policies, API products, applications, KVMs, target Servers, environments and deployment models. Hands-on experience designing and securing REST APIs using OpenAPI, OAuth 2.0, OIDC, JWT, mTLS and certificate-management patterns. Experience with commonly used Apigee policies, including OAuthV2, VerifyAPIKey, AssignMessage, RaiseFault, ServiceCallout, SpikeArrest ...

IT Specialist, Cloud and Automation.

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
knowledge of Apigee X proxies, shared flows, policies, API products, applications, KVMs, target servers, environments and deployment models. Hands-on experience designing and securing REST APIs using OpenAPI, OAuth 2.0, OIDC, JWT, mTLS and certificate-management patterns. Experience with commonly used Apigee policies, including OAuthV2, VerifyAPIKey, AssignMessage, RaiseFault, ServiceCallout, SpikeArrest ...

Workday Technical Systems Lead

Location
Greater London, England, United Kingdom
iLoad**.* Experience designing and implementing ETL processes using relevant ETL tools and technologies.* Strong experience of web services and APIs, including **WSDL, SOAP, REST and related web service standards**.* Technical expertise in **XML and Java**.* Experience with interfaces, networking, data warehousing, relational databases and performance tuning.* Strong ...

Senior Sales Engineer

Location
Greater London, England, United Kingdom
presales, solution engineering, technical consulting, or an application developer role. Technical Fluency: Proficient with modern web technologies (e.g., JavaScript, Python, Node.js), HTML/CSS, REST APIs, and utilising webhooks. AI Expertise: Practical understanding of AI applications, including utilising LLM‐powered features, prompt engineering , and automated workflows. Domain Knowledge: Strong understanding ...

Senior Sales Engineer

Location
Greater London, England, United Kingdom
solution engineering, technical consulting, or an application developer role.* ## Technical Fluency: Proficient with modern web technologies (e.g., JavaScript, Python, Node.js), HTML/CSS, REST APIs, and utilising webhooks.* ## AI Expertise: Practical understanding of AI applications, including utilising LLM-powered features, prompt engineering , and automated workflows.* ## Domain Knowledge ...

Director, Solution Consulting - Marketing Cloud & Data 360

Location
Greater London, England, United Kingdom
suppression logic and list management at scale. Consent and compliance architecture: preference centre design and compliance-aligned data handling. Integration architecture: Marketing Cloud Connect, REST/SOAP APIs, API-triggered and event-driven messaging, and ETL/data lake patterns. Data modelling, MDM, SQL, and DevOps/deployment lifecycle. Email ...

Senior .NET Umbraco Developer for Enterprise Web Apps

Location
Greater London, England, United Kingdom
environment. You will design and build distributed web applications, align with CI/CD practices, and collaborate across teams. A track record with Umbraco, REST APIs and modern DVCS such as Git is preferred, with strong OO design and SOLID principles guiding your work. #J-18808-Ljbffr ...

Full Stack Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Python (Flask) on the backend and JavaScript (React) on the frontend. Key skills: Strong Python development experience Hands-on experience with Flask JavaScript & React REST API development and integration Full-stack application development Agile development experience Active SC Clearance - must be held by the Home Office or another government body ...

C# Team Lead - Trading

Location
Greater London, England, United Kingdom
delivering quality engineering solutions. We are looking for: Team Management Experience (Direct Line Management). Strong Technical Ability with .Net/C#, API's (REST/Graph QL) Micro-services, event driven, cloud native technology. #J-18808-Ljbffr ...

WebMethods SME – Active SC

Location
Greater London, England, United Kingdom
environments. Strong hands-on experience with webMethods 10.15+, including Integration Server, Flow Services, API Gateway and Universal Messaging. Proven capability developing, supporting and troubleshooting REST/SOAP integrations and enterprise integration services. Experience working with Azure, containerised environments and Kubernetes technologies, including pods, services and ingress. Strong understanding ...

Full Stack Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £630/day
inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. Confident and experienced use of AI development agents ...

Front-End Developer (Vue.js) (Permanent)

Location
Greater London, England, United Kingdom
well-organized team player, able to manage multiple tasks and priorities in parallel. Strong understanding of design patterns and micro-services architecture. C#, .NET, REST API. Experience in Git or other DVCS. Continuous Integration; Cloud Services (TeamCity, Octopus, AWS). #J-18808-Ljbffr ...

Power Platform Engineer

Location
City Of London, England, United Kingdom
. Software development experience, including proficiency in one or more of the following: Python, JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services, and PowerShell. Desirable: experience with Power Pages. EU Characteristics that can spell success for this role (if applicable). #J-18808-Ljbffr ...

Solutions Architect | GDS

Location
Greater London, England, United Kingdom
including Dataverse, ALM, governance, and environment strategy. Strong background in Scala/JVM technologies, microservices, and cloud-native architectures. Deep expertise in integration architecture, REST APIs, API Management, event-driven systems, messaging, and enterprise integration patterns. Experienced presenting solutions to Architecture Review Boards and collaborating with Enterprise Architects. Strong knowledge ...

ServiceNow Developer

Location
London, United Kingdom
deliver effective technical solutions What We're Looking For Strong hands-on ServiceNow development experience Solid JavaScript skills Experience with ServiceNow workflows and automation REST/SOAP integration experience Knowledge of ITSM processes and CMDB Strong communication and stakeholder management skills Desirable Experience ServiceNow certifications ITOM, HRSD, CSM, SecOps ...

.Net Developer (Umbraco) (Permanent)

Location
Greater London, England, United Kingdom
able to manage multiple tasks and priorities in parallel. Strong understanding of Object Oriented design, SOLID principles and design patterns. C#, .NET, RAZOR, MVC, REST API. Experience in Git or other DVCS. Continuous Integration; Cloud Services (TeamCity, Octopus, AWS). #J-18808-Ljbffr ...