1 to 25 of 297 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. ...

Senior Software Engineer - Tax Technology

Hiring Organisation
KPMG
Location
London, UK
Employment Type
Full-time
specifying and developing software. Programming Skills: Have heavily used modern object-oriented languages such as C# or Java. Enterprise Expertise: Know how to build REST APIs and have experience of messaging. Data Modelling: Have worked with defining data models and interacting with database. Proven Track Record: Have built software that ...

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 Engineering Manager

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
capacity estimates, and balance new features against architectural health.Excellent time management and proactive problem-solving skills.Technologies we work withBack end (primary): .NET/C#, REST APIs, event-driven and microservice architectures.Front end: React, TypeScript.Machine learning: Python, model training and serving, and the infrastructure to run models in production.Data & platform ...

Senior Software Developer

Hiring Organisation
Morgan Spencer
Location
Central London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£66,000 per annum
software engineering best practices, including testing and documentation • Excellent problem-solving and stakeholder communication skills • Experience mentoring or supporting more junior developers Desirable: • Django REST Framework • SCSS and Bootstrap • Azure experience • Nginx • Bash scripting • PostgreSQL • Docker, Kubernetes or other containerisation technologies • Experience with CI/CD pipelines, GitHub Actions, GitOps ...

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 ...

Test Automation Engineer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
roles• Strong programming skills in Java or Python• Experience with UI automation tools such as Selenium, Playwright, or Cypress• Strong API automation experience using REST Assured, Postman, or similar tools• Knowledge of BDD/TDD frameworks (Cucumber, TestNG, JUnit, PyTest)• Hands-on experience with CI/CD pipelines• Familiarity with ...

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 ...

Senior Full Stack Engineer - Vialto Rewards -

Hiring Organisation
Vialto Partners
Location
London, UK
Employment Type
Full-time
patterns, and operational best practices. Contribute to system architecture and technical design for multi-country payroll, compensation, and equity domains, including integration patterns using REST, file-based feeds, and event-driven approaches. Own production readiness for your work including logging, monitoring and alerting, reconciliation tooling, incident response support, and operational ...

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 ...

Java Engineer with AI

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
technical roadmapsRequired Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

Senior C++ Developer

Hiring Organisation
Coforge U.K. Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Design Patterns, Multithreading). Strong development experience in Python. Experience with Airline Operations Platform (AOP) solutions. Experience in Linux/Unix environments. Knowledge of REST APIs, Web Services, and system integrations. Experience with SQL databases. Hands-on experience with Git, Jenkins, and CI/CD pipelines. Strong debugging, performance tuning ...

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 ...

Solution Architect

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
Microsoft Azure (for example: AKS, Functions, API Management, Key Vault, Application Insights).Solid background in software engineering (ideally .NET) and modern integration patterns (REST, messaging, event-driven).Strong grasp of security fundamentals, including identity and access management, OAuth 2.0/OpenID Connect, secure API design and threat modelling.Ability to translate ...

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 ...

Full Stack Developer Azure Databricks: Global Energy Co

Hiring Organisation
Eaglecliff Recruitment
Location
London, UK
Employment Type
Full-time
technologies: React/Angular/Vue, HTML5, CSS3, JavaScript/TypeScript• Solid experience in back-end technologies: Node.js/.NET/Java/Python, REST APIs, GraphQL• Strong understanding of databases: SQL (PostgreSQL, MySQL, SQL Server)• Hands-on experience with cloud services, ideally Azure or AWSPreferred Experience• 5-6 years ...