26 to 50 of 157 REST Jobs in London

Full Stack AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
skills in languages such as Java, Python, or Node.js, with exposure to modern frontend frameworks where relevant. Solid experience integrating systems via APIs, including REST and event-driven patterns. Hands-on DevOps expertise covering CI/CD, containerisation, and cloud platforms such as AWS or Azure. Strong understanding ...

Java Backend Developer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
production systems. Solid experience with the Spring ecosystem, particularly Spring Boot, plus common modules such as Spring Data and Spring Security. Proven capability building REST APIs and working with microservices architecture in distributed environments. Strong testing discipline using frameworks such as JUnit and Mockito. Experience working with relational databases (e.g. ...

Go Full Stack Developer

Hiring Organisation
itecopeople
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Skills & Experience We are looking for candidates with strong commercial experience in: Go/Golang backend development Full stack software engineering within Agile environments REST APIs, integrations and distributed systems React and modern frontend development CI/CD, Git and cloud-based delivery practices Docker and Kubernetes Code reviews, testing ...

Software Engineer (Backend)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience or demonstrable learning is important). Solid understanding of backend fundamentals: concurrency, data modelling, transactions, reliability, and observability. Experience designing and consuming APIs (REST/gRPC/GraphQL) and integrating with other services and data stores. Strong testing mindset and familiarity with CI/CD workflows. Clear communication skills ...

Vice President, Identity and Access Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fundamentals. Strong understanding of Identity Governance and Administration (IGA), including RBAC and entitlement management. Experience with application onboarding and integration through AD/Entra, REST/SCIM, database, SAP, and other Connector frameworks, plus disconnected application integration patterns for access governance. Experience integrating into authoritative sources in HR and other ...

Blazor developer/Senior .NET Integration Engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Strong hands-on experience with Blazor (Server and/or WASM) Solid understanding of component-based UI architecture and SPA design Experience working with REST APIs and .NET Core (v7+) Strong C# and asynchronous programming skills Experience with Azure (Logic Apps, Web Apps, Monitor) Familiarity with CI/CD pipelines ...

Java & React

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
handle heavy datasets efficiently. Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS. Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the frontend and backend. Implement event streaming by integrating Kafka for real-time financial data processing. Lead ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
team retros, sprint reviews, story-mapping, backlog refinement) helping the entire delivery team be the best that they can. Essential Skills: C# .NET Core, REST API Design and Development, API Management Document or No-SQL database solutions (particularly Elasticsearch) Messaging and microservices based architecture (Azure Service Bus, Azure Functions) Formal ...

Full Stack Developer (.NET)

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Experience - Strong experience building enterprise and web-based applications - Proficiency in C#, .NET/ASP.NET - Front-end skills including HTML5, CSS3, JavaScript - Experience with REST APIs, JSON - Familiarity with Git and modern development tools (e.g. Visual Studio) Desirable Skills - .NET Core/.NET 5+ - Angular, Blazor or modern JS frameworks ...

Lead AI Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
technologies include: Python Azure Databricks Generative AI/LLM frameworks Agentic AI tooling and orchestration frameworks LangChain/LangGraph PyTorch and ML libraries REST APIs Docker and containerisation CI/CD pipelines Git-based development workflows What we're looking for 4-6 years' experience within Software Engineering, AI Engineering ...

Applications Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
hands-on technical experience in at least one of the following areas: Azure Integration Services, Logic Apps, Function Apps, API Management or Service Bus REST APIs and systems integration SQL Server, data flows, ETL, reporting or database development Power Platform, Power Apps, Power Automate, Power BI or Microsoft Fabric C# ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

Senior Full Stack Engineer (GCP, Python, JavaScript) Remote

Hiring Organisation
Exalto Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £410/day
using AI-assisted development workflows. ● Agile Experience: Proven track record working within Agile teams and participating in iterative delivery. ● Core Engineering: Proficiency in Git, REST API design, and modern CI/CD practices This is a great opportunity to work for an exciting organisation and to start ASAP. The role ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
Develop scalable and maintainable enhancements aligned with business requirements Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON and XML Support and enhance middleware-based integrations (e.g., Boomi) and direct custom integrations Technical Design ...

Backend Node.JS Developer - London - PropTech AI StartUp

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
that power an AI assistant operating in real-time production environments. You'll design and build scalable systems using Node.js and TypeScript, working across REST APIs, event-driven architecture, data pipelines, and distributed systems, ensuring performance, reliability, and scalability as the platform grows. This is a hands-on leadership role ...

HCL COMMERCE

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
maintain HCL Commerce/WebSphere Commerce Suite components and extensions. Build and enhance Back End services using Java, J2EE, Spring/Spring Boot, and REST APIs Ensure solutions meet scalability, performance, availability, and security standards Diagnose and resolve complex issues across application, integration, and infrastructure layer Perform root cause analysis ...

Cloud Integration & DevOps Architect – Strategy Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
design authority. Design of complex Integration patterns and reusable components, e.g., based on SSO, JSON, SOAP, XML, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SCP (Secure Copy Protocol) and SFTP Other essential skills Strong written and verbal communication Stakeholder management, including the ability to explain technical concepts ...

Application Solution Architect

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Experience working across the full software development lifecycle. Microsoft Technology Expertise Strong background in: C# .NET Framework .NET Core/.NET ASP.NET SQL Server REST APIs Experience transitioning traditional Microsoft applications to modern architectures. Front-End Experience Strong understanding of modern front-end architecture. Experience with: React TypeScript JavaScript Component ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Permanent
security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows using PySpark on Databricks. Work with Delta Lake, Unity Catalog, and Databricks REST APIs. Optimize queries and pipelines for cost efficiency in cloud environments (Azure/AWS). SQL Database Management Write and optimize complex SQL queries. Manage ...

C# .Net Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £585 per day
C# and .NET/.NET Core . Deep understanding of Object-Oriented Programming (OOP) and architectural design principles. Proven experience building and implementing REST/JSON APIs . Solid experience with relational databases (e.g., SQL Server ). Familiarity with unit/integration testing and automated CI/CD pipelines . ...

Dynamics 365 Solutions Architect

Hiring Organisation
Xcede
Location
London, United Kingdom
Employment Type
Contract, Work From Home
using Power Automate. Implement plugins, custom APIs, and Dataverse extensions for advanced functionality. Integration & Extensibility Integrate D365 with external HR systems and microservices via REST APIs, and custom connectors. Manage data migration from legacy systems ensuring integrity and consistency. Optimize performance and scalability through best practices in CI/ ...

Service Now Developer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal communication skills Additional Desirable ...

ServiceNow Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 60 - 65 Hourly
years' experience developing solutions on the ServiceNow platform Strong hands-on Service Portal development experience Excellent knowledge of: HTML CSS JavaScript AngularJS Bootstrap JSON REST/SOAP APIs HTTP protocols Experience developing ServiceNow integrations Strong understanding of ServiceNow core platform architecture Experience working within Agile delivery environments Excellent problem-solving ...

ServiceNow Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Soho, London, Oxford Circus, United Kingdom
Employment Type
Contract
Contract Rate
£85 - £90/hour
years' experience developing solutions on the ServiceNow platform Strong hands-on Service Portal development experience Excellent knowledge of: HTML CSS JavaScript AngularJS Bootstrap JSON REST/SOAP APIs HTTP protocols Experience developing ServiceNow integrations Strong understanding of ServiceNow core platform architecture Experience working within Agile delivery environments Excellent problem-solving ...

Full Stack Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with a focus on performance optimisation, scalability, and application stability. SQL - Proven experience writing and optimising SQL queries within production environments. GraphQL, tRPC and REST APIs - Solid understanding of API design principles and experience working with multiple communication patterns between applications, services, and microservices. Company UK's market leading financial ...