1 to 25 of 184 REST Jobs in London

DevOps Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
software development lifecycle, including requirements analysis, estimation, design, development, testing, deployment, hypercare and break-fix support. Integrate applications with internal and external services using REST, SOAP or GraphQL APIs where appropriate. Work with Product, Development, Test, Architecture and Service teams to clarify requirements and deliver solutions that meet agreed standards. ...

Lead Software Engineer- Tax & Legal Technology -108720

Hiring Organisation
KPMG UK
Location
City of London, Greater London, UK
languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

Lead Software Engineer- Tax & Legal Technology –108720

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

Senior Software Engineer

Hiring Organisation
IBEX RECRUITMENT LTD
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
other engineers Technical Environment You'll work across a modern engineering stack including: C#/.NET/.NET Core TypeScript & JavaScript React Python Node.js REST APIs & Microservices SQL & NoSQL databases Docker & Kubernetes CI/CD pipelines Highly Desirable Experience We're particularly interested in engineers who have experience with ...

Senior & Principal Java Camunda Enigneers

Hiring Organisation
Casci
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Proven experience leading and mentoring teams of engineers to deliver high-quality, production-grade software (expected at Principal level) Familiarity with Spring Boot, REST APIs, and microservice architectures Knowledge of Docker, Kubernetes, Git, CI/CD pipelines, and automated testing frameworks Good knowledge of security, authentication, and integration patterns ...

Senior Java Developer

Hiring Organisation
MW recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £125,000 per annum
solutions Capital Markets knowledge, ideally within Clearing or Prime Brokerage. Desirable Previous team leadership or mentoring experience Knowledge of Groovy, FIX/FIXML, FpML, REST APIs, JSON or messaging technologies Experience developing client portals and reporting platforms Experience working with distributed or offshore development teams. Technical Environment You'll have ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
ReactJS. Cloud & Serverless: AWS Lambda, AWS Cloud Services, Kubernetes. Additional Technical & Functional Competencies Frontend Architecture: TypeScript, JavaScript (ES6+), Redux/Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data ...

Backend Developer (Azure)

Hiring Organisation
Amtis Professional Ltd
Location
London, Euston, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £475/day OUTSIDE IR35
within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

C# Developer

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with messaging and event-driven technologies such ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
with the ability to communicate technical concepts to non-technical stakeholders. The Tech Stack Languages/Frameworks: Java, Spring Boot, Spring MVC Architecture: Microservices, REST APIs Databases: SQL Tools: Git/Bitbucket, Maven/Gradle, Jenkins (or similar CI/CD) IDEs & Management: IntelliJ, Eclipse, or VS Code; Jira ...

AI Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
/Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous but not essential : Azure ...

Senior Java Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £890/day Up to £890 Umbrella
practices. Key Requirements 7+ years of Java backend development experience. Advanced expertise in Java, Spring Boot and microservices architecture. Strong experience designing and developing REST APIs and distributed systems. Experience with Oracle, SQL/NoSQL databases and data modelling. Experience with Kafka, RabbitMQ or other event-driven messaging technologies. Strong ...

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST APIs and integration patterns Secure application development Unit testing frameworks SOLID principles and software design patterns Desirable Experience Healthcare or NHS environments Azure Health Data ...

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
software development principles. Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within ...

Senior / Lead Fullstack (React) AI Engineer

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Docker CI/CD Infrastructure as Code Microservices Event-driven architecture Technology Stack React TypeScript Node.js AWS Google Cloud Platform (GCP) Vertex AI REST APIs Large Language Models (LLMs) Agentic AI Git CI/CD What's on Offer £115,000 - £130,000 base salary Equity package Hybrid working ...

Engineering Lead - Financial Planning (iRESS Xplan)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum
/CD, Git-based development, automated testing and code review. Support Agile delivery through Scrum and Kanban methodologies. Design and oversee integrations using REST APIs, SOAP services and event-driven architectures. Drive adoption of middleware and integration technologies. Contribute to the development of APIs, web applications, serverless solutions and microservices ...

Senior Software Engineer (Java/Spring/AWS)

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Java/Spring Passion for clean, maintainable code with a strong understanding of SOLID principles Hands-on experience designing AWS-based systems, microservices with REST APIs, and event-driven architectures Focus on engineering quality through code reviews, testing, and test strategy improvement Responsibility for maintaining CI/CD pipelines ...

Software Engineer (SAR)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
/CD pipelines and frequent code integration. - Maintain accurate documentation and work tracking within Azure DevOps. Required Skills - Node.js & TypeScript - React & Express.js - REST APIs - Docker - Azure App Services & Azure Functions - Azure DevOps (Repos, Boards & Pipelines) - Azure Kubernetes Service (AKS) - Azure Container Registry - Cosmos DB - Kubernetes & Helm - Elasticsearch & Kibana - Infrastructure ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Microsoft development background. Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular. Experience designing and building REST APIs and integrating AI capabilities into enterprise applications. Strong knowledge of Microsoft Azure, including Azure AI Foundry, Azure AI Services and cloud-native application development. ...

Senior AWS Platform Engineer - SC Cleared - Outside IR35

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£610 per day, Inc benefits
supporting CI/CD pipelines, ideally with GitHub Actions. Strong Python development skills for automation, APIs and backend services. Experience developing and supporting REST APIs and integration services. Experience implementing event-driven and serverless solutions. Strong knowledge of AWS services including: Lambda API Gateway EventBridge Step Functions Experience integrating multiple ...

Senior Java Developer

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Client environment). Software design principles and clean coding practices Performance, scalability, resilience, maintainability, and security considerations API-based architectures and integration layers (e.g., REST, OpenAPI, AsyncAPI) Distributed systems and complex legacy environments Cloud-native application development using Microsoft Azure and/or AWS DevOps practices and toolchains, including ...

Software Developer

Hiring Organisation
Morgan Spencer
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£58,000 - £60,000 per annum
tools Experience with AWS cloud services Strong understanding of software development best practice Excellent communication and stakeholder management skills Desirable: React React Native Django REST Framework PostgreSQL Microsoft Dynamics 365 Dataverse Agile development experience Experience mentoring junior developers or conducting code reviews Morgan Spencer – Your Career, Our Expertise Morgan Spencer ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
across multiple technology programmes. Essential Skills Application Security Secure Software Development Lifecycle (SSDLC) OWASP Top 10 Secure Coding Secure Design Reviews API Security REST APIs Microservices Security Application Security Risk Assessments Threat Modelling STRIDE MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins ...

CRM Full Stack Software Engineer

Hiring Organisation
Elliot Marsh
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
distributed services CRM Full Stack Software Engineer You - Commercial experience with TypeScript, Node.js and React - Experience with Next.js and modern frontend development - Strong REST API and microservices experience - Knowledge of PostgreSQL and MongoDB - Experience with Docker, CI/CD and cloud platforms (AWS desirable) - Experience of Agile software development - Knowledge ...

Full Stack Developer (Camunda)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£542 per day
Extensive experience designing and implementing solutions using Camunda (ideally Camunda 8). · Strong Java development experience, including Spring Boot, JPA, Hibernate, JUnit, Mockito, and REST API development. · Front-end development expertise using React JS, Redux, JavaScript, HTML, CSS, and Axios. · Experience working with SQL databases, preferably MS SQL, and microservices ...