1 to 25 of 163 REST Jobs in London

Lead Java Developer

Hiring Organisation
Response Informatics
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day
code. Essential Skills and Experience: Proficiency in Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messagingservice(ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum) Public sector ...

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
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 ...

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
Work within Agile/Scrum delivery teams Required Skills & Experience Strong commercial experience with C# and .NET/.NET Core Experience building and consuming REST APIs Solid understanding of object-oriented design and software engineering principles Experience with SQL Server and relational databases Familiarity with unit testing frameworks (e.g. xUnit ...

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 ...

💻 C#.NET Core Backend Engineer | 💳 Greenfield Payments Platform | £130,000 + Bonus + Benefits | Hybrid (London)

Hiring Organisation
VirtueTech Recruitment Group
Location
Greater London, England, United Kingdom
teams to build compliant, scalable payment systems 🧩 Driving engineering excellence — CI/CD, testing, observability, and automation across the stack 🧠 Tech Stack 💻 C#.NET Core , REST/gRPC, microservices architecture 📬 Kafka , RabbitMQ , or Azure Service Bus (event-driven systems) ☁️ Azure/AWS , Docker/Kubernetes , IaC, CI/CD ( Azure DevOps ...

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 ...

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 ...

Senior Java Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring Boot , and microservices architecture Solid experience building REST APIs and working with containerisation tools such as Kubernetes or OpenShift Strong RDBMS skills and experience working with high-volume enterprise systems Front-end development ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Behavioral Testing: BDD implementation using SpecFlow or Reqnroll . Modern UI & API: Advanced automation utilizing Playwright and Selenium for both interface and deep-layer REST API validation. Cloud-Native Infra: Working within Azure environments, specifically leveraging AKS (Kubernetes) and Service Bus architectures. CI/CD & AI: Fully integrated pipelines ...

Senior Java Engineer (Smart Contract)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
financial services , Ideally Commercial Lons. Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, and Spring Data In-depth knowledge of REST API principles and HTTP protocols. Proficiency in Git, CI/CD, and Agile methodologies. Familiarity with JIRA, JUnit, and Apache Kafka is preferred. Experience with ...

Senior Platform Software Engineer - F56465

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 ...

Lead Developer - C#/Angular - Commodities

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Circa 10+ years’ software development experience, ideally with recent team‐lead responsibilities Strong full‐stack expertise: C#, .NET 8+, Angular 16+, Typescript, SQL Server, REST APIs Experience with NHibernate/Entity Framework, Git, Jira, Confluence Ability to navigate complex multi‐system environments Strong communication and problem‐solving skills Background ...

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 ...

Frontend Developer

Hiring Organisation
Stealth iT Consulting
Location
London Area, United Kingdom
building front-end applications with React and/or Angular Excellent knowledge of HTML, CSS, JavaScript and TypeScript Experience integrating front-end applications with REST APIs Good understanding of web security principles , including OAuth2.0 and JWT Proven experience designing accessible and user-friendly UIs Familiarity with Node.js , NPM and modern ...

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 ...