1 to 25 of 489 REST Jobs in London

Fullstack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Grid Real-time communication using WebSockets or SignalR Strong experience building real-time trading or financial applications Back End C# .NET 8 Python REST APIs/Web APIs Microservices Architecture Messaging & Caching RabbitMQ Redis DevOps & Cloud Azure DevOps Git/Repos CI/CD Pipelines Azure and/ ...

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 ...

Java Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
production support activities.Optimize application performance, reliability, and scalability.Follow Agile development methodologies and DevOps best practices.Required Skills Core Technologies,Java 11/17+,Spring Boot,REST APIs,Microservices Architecture,dynatrace.Git,Databases,Oracle,PostgreSQL,SQL,Cloud & DevOps,Azure, AWS, or GCP,Docker,CI/CD Pipelines,Jenkins or GitHub Actions,Process Automation ...

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 Full Stack Engineer (Java & React)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
developer productivity platforms Experience mentoring engineers and contributing to technical leadership initiatives Technical Environment You will work with technologies including: Backend Java 11+ REST APIs Microservices Architecture Frontend React 18+ TypeScript JavaScript HTML5 CSS3 Cloud & Platform Microsoft Azure Azure API Management Azure Service Bus Azure Event Hub DevOps & Automation Terraform ...

Senior Engineering Manager Software engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
balance new features against architectural health. Excellent time management and proactive problem-solving skills. Technologies we work with Back 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. ...

Solution Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
handling large data volumes, with experience across cloud data platforms, data pipelines and SQL‐based technologies. Integration: Strong integration experience across external systems, including REST APIs, messaging and event‐driven architectures, and secure file and data exchange, with experience using canonical data models and anti‐corruption layers. Security: Strong grounding ...

Solution Architect (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
handling large data volumes, with experience across cloud data platforms, data pipelines and SQL-based technologies.* **Integration:** Strong integration experience across external systems, including REST APIs, messaging and event-driven architectures, and secure file and data exchange, with experience using canonical data models and anti-corruption layers.* **Security:** Strong grounding ...

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 ...

Solution Architect (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
driven design. Experience designing large data-volume solutions across cloud data platforms, pipelines, and SQL-based technologies. Proficiency in integration with external systems via REST APIs, messaging, event-driven architectures, secure file exchange, and use of canonical data models and anti-corruption layers. Strong foundation in security architecture, including authentication ...

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 ...

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 Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern .NET, cloud and full stack practices. Qualifications Back-end (Primary Focus), Expert in C# and .NET Core with strong experience in MVC, REST API design and best practices; deep knowledge of AWS/cloud computing, microservices, CQRS, event‐driven and message‐based architectures; experienced with SQL Server, PostgreSQL ...

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 ...

Sr Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
services using JavaScript or other relevant enterprise technologies such as Java or .NET. 7+ years of experience designing and developing complex web services using REST, TypeScript, JavaScript/NodeJS, Jest, Java, Python, or related technologies. 5+ years of experience designing and developing web applications using HTML5, CSS, and modern ...

Azure Infrastructure and Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Templates, Terraform, or equivalent automation technologies. Development Fluency Sufficient C#/.NET knowledge to debug, trace, and troubleshoot application issues, with awareness of REST APIs and modern front‐end frameworks such as React, Angular, or Blazor is desirable. Comfortable working with development teams as a technical peer, contributing to issue ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineering (Web & APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native ...

Director, Applied AI & Agentic Platform Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

Director, Applied AI & Agentic Platform Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

Power Platform Architect - SC Cleared

Hiring Organisation
17918
Location
London, United Kingdom
Power BI, and Power Pages. Cloud and Integration: Solid experience with Microsoft Azure services (Entra ID, API Management, Logic Apps) and enterprise integration patterns (REST APIs, webhooks, event-driven architectures). DevOps and ALM: Proven experience designing CI/CD pipelines and managing Power Platform ALM using Azure DevOps ...

Senior Java Developer IRC298565

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scalability by leveraging core microservices patterns (Service Discovery, Circuit Breaker, API Gateway, and CQRS). Design and build robust, secure, and well‐documented APIs (REST/gRPC) and manage inter‐service communication using synchronous and asynchronous (event‐driven) messaging patterns. Collaborate with cross‐functional teams (Product, DevOps, QA) to define ...

Lead Software Engineer - C#, SQL Server Database

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# with .NET Core or .NET frameworks Ability to develop, debug, and maintain code in a corporate environment using modern ...

Java Engineer with AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
roadmaps Required 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 Java Developer IRC298567

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leveraging core microservices patterns (e.g., Service Discovery, Circuit Breaker, API Gateway, and CQRS). Design and build robust, secure, and well-documented APIs (REST/gRPC) and manage inter-service communication using synchronous and asynchronous (event-driven) messaging patterns. Collaborate with cross-functional teams (Product, DevOps, QA) to define, design ...