1 to 25 of 119 REST Jobs in London

Software Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services, Spring security, SpringBoot, and AMQP/RabbitMQ. Experience with application servers (Jboss/WebSphere). Experience in writing SQL query reports and data correction ...

Senior Engineer

Hiring Organisation
&Dine
Location
Greater London, England, United Kingdom
async patterns, clean architecture Frameworks – Vue/Nuxt (or React/Next.js), component-based development State management – Vuex, Pinia, or equivalent patterns API integration – REST/JSON, error handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit ...

Senior Python Developer Team Lead

Hiring Organisation
RedTech Recruitment Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
/Technical Lead/Platform Engineer/Cloud Engineer/AWS/Python/Terraform/Docker/Kubernetes/CI/CD/REST APIs/Microservices RedTech Recruitment Ltd focus on finding roles for Engineers and Scientists. Even if the above role isnt of interest, please visit ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
distributed, cloud native, and data intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes ...

Java Tech Lead (London)

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
capacity Solid understanding of microservices architecture and distributed systems Experience with Spring/Spring Boot Cloud experience (AWS, GCP, or Azure) Strong knowledge of REST APIs , messaging, and integration patterns Experience working in agile, consultancy, or client-facing environments Desirable Skills Event-driven architectures (Kafka, RabbitMQ, etc.) Containerisation and orchestration ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
fourth-generation programming language (4GL) Strong skills in object-oriented analysis and design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice development focused on high availability and data ...

Solution Engineer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
role. Strong background in cloud-native development, ideally within the Azure ecosystem. Professional experience with C# and/or Python. Hands-on experience with REST APIs, microservices, and event-driven architectures. Strong understanding of CI/CD pipelines, Git-based version control, and automated testing. Solid grasp of solution architecture ...

Developer (MS) (18 Months FTC)

Hiring Organisation
London Borough of Barnet
Location
Barnet, London, United Kingdom
Employment Type
Contract
Contract Rate
£56376 - £61653/annum
sources. - Knowledge of core development languages such as PowerShell, JavaScript, C#, Python or similar. - Experience working with data sources including MS SQL, Dataverse, APIs, REST services, JSON/XML and other integration methods. - Strong problemsolving skills and the ability to identify creative solutions to longstanding challenges. - Excellent communication skills, with ...

Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £435/day
scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity with CI/CD tools (e.g. Jenkins, GitHub Actions, Azure DevOps) Solid understanding of software testing ...

Full Stack Developer

Hiring Organisation
CODEVERSE LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum
Actively participate in the life and ceremonies of the teams Front End Skills React (including good knowledge of hooks) SWR for working with external REST APIs Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back End Skills C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Azure Data Factory ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£550.00 - £575.00 per day
Framework , including Spring Boot and Spring Data Experience with Kafka and event-driven systems PostgreSQL database experience OpenSearch/Elasticsearch Node.js Building and consuming REST APIs WireMock or similar API mocking tools Active SC Clearance Nice-to-Have Experience working in large, complex or regulated environments Familiarity with cloud-based ...

Senior Platform Software Engineer

Hiring Organisation
Caresoft Global Ltd
Location
Stratford, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£73.18 per hour
Experience implementing and utilizing observability and monitoring tools (e.g., Grafana, Splunk) to maintain system health and diagnose issues. API Design: Experience designing and developing REST APIs and associated QA tools. Engineering Practices: Passion for Software Craftsmanship with experience in Pair Programming, Mobbing, and Test-Driven Development (TDD). Delivery: Proven ...

ServiceNow Development Manager

Hiring Organisation
Veolia
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£83500/annum Car, Pension, Bonus, Medical
certifications 3+ years people management experience in technical environments Expert knowledge of ServiceNow modules (ITSM, ITOM, HRSD, CSM) Strong experience with JavaScript, REST/SOAP APIs, and system integrations Proven track record of delivering complex ServiceNow implementations Excellent communication and stakeholder management skills Experience with SAFe/Agile/Scrum ...

Azure AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
automated document workflows. Implement RAG (Retrieval-Augmented Generation) architectures using Azure Search or vector databases. Integrate AI capabilities with enterprise systems through REST APIs, Azure Functions, Logic Apps, or Power Platform. Ensure adherence to security, data governance, and compliance standards, including data encryption, responsible AI, and regulated-industry guidelines. Develop ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
Requirement (if hybrid): 2 3 days a week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL ...

Front End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570/day
TypeScript and JavaScript in the browser Experience building modern, responsive web applications Good understanding of HTML, CSS, and front-end architecture Familiarity with REST APIs and frontend integration patterns Nice to Have Experience with Playwright for front-end or end-to-end testing Knowledge of automated testing strategies ...

Salesforce Developer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Salesforce Developer in production environments Advanced knowledge of Apex , Lightning Web Components , SOQL , and Salesforce configuration Proven experience integrating Salesforce with external systems via REST/SOAP APIs Experience working in financial services, payments, banking, fintech, or other regulated industries. Solid understanding of data security, permissions, and compliance considerations Familiarity ...

Automation Assurance Specialist

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification (or equivalent experience) Strong experience in functional, integration, exploratory ...

Java Backend Engineer

Hiring Organisation
Kneu Health
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
insights for research and care. What Youll Be Doing Build and maintain backend services that are secure, reliable, and scalable Design and develop REST APIs for mobile and/or web applications Contribute to distributed systems and microservice architectures Support database design (SQL) and backend architecture decisions Improve release processes ...

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 ...

Principal Software Engineer - (Frontend & Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

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 ...

C# .NET Developer

Hiring Organisation
Career Concept
Location
EC2A, Finsbury Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
with others to design new solutions Re-factor Full Stack 80% back end/20% Front Skills required: Strong skills with C# .NET Microservices REST API, NoSQL Mongo or similar Deployed to Azure or AWS or GCP. Bonus if you have worked with Serverless Experience working in a modern Software ...