226 to 250 of 750 REST Jobs in London

D365 CRM/CE Technical Lead

Location
Greater London, England, United Kingdom
/CE and Power Platform. Advanced C# development including plugins, webhooks, and Custom APIs. Knowledge of JavaScript/TypeScript and CRM SDK/REST APIs. Experience delivering solutions in Agile environments. Understanding of Azure and cloud-based architectures. DESIRABLE EXPERIENCE Dynamics CRM Customer Service and Marketing implementations. Experience building portals ...

Technical Lead / Junior Solutions Architect

Location
Greater London, England, United Kingdom
based development using JavaScript, CSS, and markup languages* Proficiency in web-programming tools such as ASP, .NET, PHP, C#, or Java* Experience with REST-based APIs using JSON and web services* Experience integrating with Identity Access Providers (Okta preferred)* Knowledge of containerisation principles and reference architecture* Experience developing scalable ...

Senior Tooling Consultant

Location
Greater London, England, United Kingdom
with Monitoring solutions Comprehensive knowledge of problem analysis, structured analysis and design and programming techniques. Strong understanding and experience in Integrations including SOAP and REST bases APIs Other Specifications You will need to evidence relevant work through explicit references and examples Experience of working in an agile environment ITIL advanced ...

Java Developer (React)

Location
Greater London, England, United Kingdom
Participate in code reviews and continuous improvement initiatives Skills & Experience (Required) Strong experience in Java (server‐side development) Experience building web‐based applications and REST APIs Good understanding of application performance and optimisation Excellent communication skills, both written and verbal Ability to operate effectively in agile, collaborative environments Experience with ...

Salesforce Developer

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
requirements. Required Skills & Experience 48 years of hands-on Salesforce development experience. Strong proficiency with: Lightning Web Components (LWC) Apex Classes, Triggers, Test Classes REST/SOAP APIs SOQL & SOSL Experience with Salesforce platform features including Flows, Service Cloud or Sales Cloud, and custom objects. Understanding of development best practices ...

Application Support Engineer

Location
Greater London, England, United Kingdom
logs, stack traces, database issues, and integration failures.Perform root-cause analysis and prepare permanent fixes or workarounds.Develop minor enhancements, bug fixes, and configuration changes.Support REST-based integrations and troubleshoot API-related issues.Collaborate with development, database, infrastructure, and business teams.Participate in incident, problem, and change-management related meetings and processes.Prepare technical ...

Salesforce Technical Architect (Agentforce AI)

Location
Greater London, England, United Kingdom
wider AI/ML technologies Deep architectural knowledge across Salesforce integrations, security, data, event-driven architecture, and enterprise application landscapes Strong experience with REST, SOAP, ETL, ESB, event-based integrations, SSO, OAuth, encryption, and technologies such as Kafka Proven ability to lead technical workstreams, development teams, architectural governance, and solution ...

Automation Developer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
Salary
£550 - £650 per day
production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career move? Apply today. ...

Technical Lead/Associate Architect – PHP / Laravel (LAMP)

Location
Greater London, England, United Kingdom
keep our applications scalable, secure and resilient.### Technical Skills* Core: PHP 5.x-8.x (deep OOP, SOLID, DRY, design patterns), Core PHP, Laravel 10.x-13.x, REST API design* Data: MySQL (schema design, indexing, query optimization, replication/backup strategies)* Platform: Linux (Ubuntu), Docker, web server tuning (Nginx/Apache)* Cloud ...

Murex Risk Developer

Location
Greater London, England, United Kingdom
Managers, Quants and Capital Markets business users. Technical Skills SQL* Oracle/relational databases Unix/Linux Shell scripting Python Java XML/JSON REST APIs/integration technologies Git or equivalent source-control tools CI/CD and DevOps processes Batch scheduling/enterprise schedulers Strong SQL and Unix ...

Lead Software Engineer - Frontend Engineering - React Native

Location
Greater London, England, United Kingdom
skills Proficiency in React framework Building applications usingReact Nativein TypeScript or JavaScript Native application development across Android/iOS inKotlin/Swift Understanding of REST APIsand GraphQL Comfortable working with projects partially or fully usingTypeScript Using latestReact featuressuch as Suspense and Hooks End to end testing applications withDetox/Appium ...

Murex Risk Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Technical Skills Strong experience with several of the following: * SQL* Oracle/relational databases * Unix/Linux * Shell scripting * Python * Java * XML/JSON * REST APIs/integration technologies * Git or equivalent source-control tools * CI/CD and DevOps processes * Batch scheduling/enterprise schedulers Strong SQL and Unix ...

Engineering lead

Location
Greater London, England, United Kingdom
governance, audit, security, and risk requirements. Manage operational risks and technology controls. Support production readiness reviews and regulatory initiatives. Required Technical Skills Engineering & Architecture REST APIs Domain Driven Design (DDD) Docker OpenShift DevOps & Automation Jenkins Terraform Ansible TDD/BDD Secure Coding Performance Engineering Observability & Monitoring Tools JIRA Confluence Splunk ...

Java Engineer

Location
Greater London, England, United Kingdom
across a distributed, high-availability system with kdb+ integration and strong security requirements. Key Responsibilities Develop, maintain, and optimise Spring-based web applications and REST APIs using Java 17. Integrate backend services with real-time kdb+ environments. Implement authentication (SAML/LDAP) and secure authorisation (RBAC/ABAC). Participate ...

Software Engineer III- React

Location
Greater London, England, United Kingdom
JavaScript concepts and proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIsand GraphQL Ability to work in a dynamic, agile environment within a geographically distributed team Ability to focus on promptly addressing customer needs Excellent written ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
developing backend services within a microservices or distributed systems architecture. Strong understanding of AWS and cloud-native application development. Experience developing and integrating REST APIs and backend services. Practical exposure to LLMs, AI agents, MCP or AI-powered integrations. Strong understanding of software architecture, engineering principles and production-quality development. ...

Principal Backend / Fullstack Engineer (E-commerce & Platform Integrations)

Location
Greater London, England, United Kingdom
reviews, documentation, and long-term technical roadmap development. 8+ years of backend or full-stack engineering experience, withdemonstratedownership of complex systems. Strongproficiencyin Node.js, TypeScript, REST/GraphQLAPI development, and distributed systems patterns. Experience integrating third-party ecommerce, marketing, or digital experience platforms (e.g., loyalty, merchandising, A/B testing). ...

Scala Engineer

Location
City Of London, England, United Kingdom
/CD practices. Experience working within teams that own and support their services in production. Essential Skills Scala Play Framework or similar MVC/REST API frameworks SQL AWS Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding ...

Senior Software Engineer (Fullstack, AI and CMS)

Location
Greater London, England, United Kingdom
helping shape pragmatic technical approaches and the future roadmap. We’d love to talk to you if you: Have experience with GraphQL and REST, and are comfortable working across modern web applications and APIs. Have experience with AWS, S3, CloudFront and Terraform, with a strong understanding of cloud-based platforms. ...

Technical Architect

Location
Greater London, England, United Kingdom
Relevant certificationsAWS Solutions Architect, Azure Solutions Architect, TOGAF or equivalent Technical Skills Cloud Platforms: AWS, Azure, GCP Architecture Frameworks: TOGAF, ArchiMate, C4 Model Integration: REST APIs, event-driven architecture, message queuing, microservices Security: NCSC guidelines, secure-by-design, identity and access management Tooling: Confluence, Jira, Miro, Azure DevOps, Lucidchart ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
interest in technology and problem-solving; someone diligent and thoughtful. Experience with the following: Python Django (or equiv. web framework) Domain modelling HTTP and REST APIs Writing robust and fault-tolerant software Celery and async processing Postgres Plus experience in the following would be a bonus: AWS Terraform, Packer, Consul ...

Senior Software Engineer - Comms

Location
Greater London, England, United Kingdom
general interest in technology and problem-solving; someone diligent and thoughtful. Experience with the following: Python Django (or equiv. web framework) HTTP and REST APIs Celery and async processing Postgres AWS Terraform, Packer, Consul HTMX React and Redux Test Driven Development Spec Driven Development Domain driven design and modelling Experience ...

Senior QA Automation Engineer - AI

Location
Greater London, England, United Kingdom
cases and evaluation criteria for non‐deterministic systems. Strong analytical and problem‐solving skills with attention to detail. Experience with API testing tools (Postman, REST Assured) and backend testing. Strong experience with CI/CD pipelines and automated testing integration. Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB) We believe ...

Data Architect

Location
Greater London, England, United Kingdom
designing for both structured and unstructured data An understanding of non-functional drivers for design Experience with data modelling Strong background in Java and REST Services - ability to design solutions as well as review code As a technology consultancy, we look for people who can deliver both exceptional technical solutions ...

Workday Platform Lead

Location
Greater London, England, United Kingdom
Requirements 7+ years of experience in Workday platform management or enterprise systems leadership. Deep understanding of Workday architecture, module configuration, and integration technologies (e.g., REST/SOAP APIs, middleware). Knowledge of IT security principles, data encryption, and compliance frameworks (e.g., GDPR, ISO27001). Strong experience in IT service management ...