176 to 200 of 843 RESTful Jobs in the UK

Software Engineer - Full Stack

Location
Greater London, England, United Kingdom
C#/.NET. Experience building user interfaces using a modern frontend framework such as React or Angular. Experience working with relational databases, SQL, RESTful APIs, and complex data models. Experience using source control, CI/CD pipelines, automated testing, and Agile development practices. Experience building and deploying applications ...

Senior Software Engineer Python

Location
United Kingdom
Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Senior Software Engineer Python

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Lead Software Engineer - Java, AWS

Location
Glasgow, Scotland, United Kingdom
priorities and adapt to changing requirements Uphold security and compliance standards in software development Use version control tools such as Git Apply knowledge of RESTful APIs and microservices Preferred Qualifications, Capabilities, and Skills: Bring experience with cloud platforms and containerization Apply familiarity with DevOps practices and CI/CD pipelines ...

Senior Frontend Engineer (React.js)

Location
Greater London, England, United Kingdom
Sass or Less. Experience with state management libraries/tools such as Redux, React Query, or Context API. Expertise in integrating frontend applications with RESTful APIs. Experience with testing frameworks such as Cypress, Playwright. Familiarity with asynchronous programming techniques. Familiarity with graphs libraries such as eCharts. Basic understanding ...

Software engineer, generative AI (UK)

Location
Greater London, England, United Kingdom
deploying generative AI applications, leveraging LLMs, vector databases like Pinecone, Weaviate, or pgvector, and modern open-source agentic frameworks Practical experience with microservices architecture, RESTful APIs, cloud platforms such as AWS, GCP, or Azure, and containerization with Docker and Kubernetes Solid grasp of modern web technologies including FastAPI, Asyncio, database ...

FULL STACK DEVELOPER

Location
Liverpool, England, United Kingdom
/or the Power Platform (e.g., Power Automate, Power Pages). Experience developing modern front-end applications using React. Strong understanding of RESTful Web API design and development. Experience working with Microsoft Azure services (e.g., App Services, Functions). Experience integrating with third-party systems and external APIs. Familiarity with ...

Technical Lead (Java/.Net)

Location
United Kingdom
experience building scalable APIs and services with Java or .NET (C#) and maintainable frontend applications with React (TypeScript). Experience with distributed systems, RESTful/GraphQL APIs, system performance trade-offs, load balancing, and high availability engineering. Experience with AWS (Azure or GCP welcome), Infrastructure as Code (Terraform), CI/ ...

.Net Developer

Location
City of Edinburgh, Scotland, United Kingdom
such as PostgreSQLor SQL Server, and ORMs like Entity Framework Core. Containerisation with Docker. Unit and integration testing using frameworks such as NUnitor xUnit. RESTful API design, including an understanding of HTTP verbs, status codes, and JSON. You will have a “secure by default” mind-set in all work ...

Lead AI Software Engineer

Location
Greater London, England, United Kingdom
within complex engineering environments. Strong hands‐on expertise in Java and Spring Boot, with experience in React or Angular. Proven experience designing and implementing RESTful APIs, microservices, integrations, platform services, and digital applications. Strong understanding of cloud‐native architectures, distributed systems, containerised environments, and modern integration patterns. Experience building event ...

Full-Stack Data Engineer

Location
Glasgow, Scotland, United Kingdom
structures, algorithms, and object-oriented design principles, while ensuring scalability, governance, and reliability. Design and develop full-stack applications, including responsive web user interfaces, RESTful APIs, backend services, and integrations with database and ETL platforms. Build self-service capabilities, operational dashboards, workflow automation, and metadata-driven solutions using modern ...

Lead AI Software Engineer London, United Kingdom Value Stream Engineering Posted 12 hours ago

Location
Greater London, England, United Kingdom
within complex engineering environments.* Strong hands-on expertise in **Java and Spring Boot,** with experience in **React or Angular.*** Proven experience designing and implementing RESTful APIs, microservices, integrations, platform services, and digital applications.* Strong understanding of cloud-native architectures, distributed systems, containerised environments, and modern integration patterns.* Experience building **event ...

Senior Software Engineer - ST&S

Location
Greater London, England, United Kingdom
multi-agent systems and Model Context Protocol (MCP) services.# **What you’ll do**Software engineering* Design and develop sophisticated backend services, platforms and RESTful APIs that support critical trading and middle-office workflows.* Build scalable, resilient and cloud-native applications using modern software engineering practices.* Develop high-quality, maintainable code ...

Staff Software Engineer, Liquidity Management (C#/.NET) New London, UK

Location
Greater London, England, United Kingdom
expertise with C#/.NET Expert in relational databases (SQL Server ideally), including query optimization, indexing strategies, and data modeling Experience building and maintaining RESTful APIs and understanding when to use alternative patterns (GraphQL, gRPC, webhooks) WHO WE ARE: Do Your Best Work The opportunity to build in a fast ...

Senior Full-Stack Java Developer (Remote UK, 6–12m Contract)

Location
Greater London, England, United Kingdom
Agile, cross-functional delivery team to build cloud-native applications using Java 21, Spring Boot, React, Next.js, OpenShift, PostgreSQL and AWS. Responsibilities include designing RESTful APIs, building microservices, delivering secure, scalable front-end and back-end features, and contributing to #J-18808-Ljbffr ...

Senior Java Contractors

Location
Greater London, England, United Kingdom
Strong commercial experience with Java Proven experience working as a Senior Java Developer Strong knowledge of Spring/Spring Boot Experience designing and developing RESTful APIs Solid understanding of microservices and distributed systems Experience with SQL and relational databases Strong knowledge of automated testing and software engineering best practices Experience ...

Full Stack Developer

Hiring Organisation
Chameleon IT Solutions Limited
Location
Surrey, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
include: Frontend: ReactJS, Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira/Confluence/M365 Additional Requirements Excellent written and verbal ...

Full Stack Developer

Hiring Organisation
Chameleon IT Solutions Limited
Location
East Anglia, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
include: Frontend: ReactJS, Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira/Confluence/M365 Additional Requirements Excellent written and verbal ...

Senior Software Developer (Microservices - GoLang)

Location
Cambridge, England, United Kingdom
Strong understanding of microservice architecture, principles, and design patterns. Should have knowledge of developing microservice using Agile Methodology. Experience in designing, developing, and consuming RESTful APIs (OpenAPI 3.0). Proficiency in writing unit, integration, functional tests and System test using GoLang testing frameworks. Experience using Atlassian tools for project management ...

Python / Fullstack Developers

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£650.00 - £750.00 per day
site at the client's London office. Responsibilities Design, build and maintain full stack web applications with a Python backend Develop and consume RESTful APIs Work across both backend services and frontend interfaces Collaborate with cross-functional teams including product, QA and other engineers Write clean, tested, maintainable code ...

Java Developer Contract

Location
Greater London, England, United Kingdom
Frameworks: Extensive experience with Spring Boot, Spring Cloud, and Hibernate/JPA. Architecture: Proven track record with microservices, event-driven design (Kafka, RabbitMQ), and RESTful APIs. Database & Caching: Strong relational database knowledge (PostgreSQL) alongside Redis or Hazelcast. Cloud & DevOps: Hands-on experience with AWS (EKS, Lambda, S3), Docker, Kubernetes ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
transaction processing engine hosted on AWS. Key Responsibilities Lead technical design, system architecture, and C# code delivery. Build low-latency, real-time microservices and RESTful Web APIs. Implement multithreaded and asynchronous processing for high-volume data streams. Maintain high test coverage (NUnit/Moq) and automated CI/CD pipelines. ...

AI & ML Systems Engineer

Hiring Organisation
Logix Resourcing
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
ingestion pipelines and database architectures using Python, PostgreSQL (with PostGIS for spatial data), Redis, or time-series databases. API & Middleware Development: Experience building robust RESTful APIs and WebSocket pipelines (using FastAPI, Flask) for streaming low-latency data and alert triggers between processing backends and Front End applications. Experience with cloud ...

Senior Back-end Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
applications . Experience building, deploying and supporting software in live production environments. Strong understanding of backend architecture, scalability and distributed systems . Experience developing RESTful APIs and backend integrations . Knowledge of CI/CD pipelines and deployment automation . Experience working within Agile development environments . Strong debugging, analytical ...

Senior Frontend Developer - £50K - £60K DOE

Hiring Organisation
Reed
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
confidence supporting legacy applications Strong JavaScript and/or TypeScript skills Excellent knowledge of HTML5, CSS3 and modern frontend development practices Experience integrating with RESTful APIs Understanding of component-based architecture and scalable frontend systems Experience using Git, CI/CD pipelines and Agile delivery practices Passion for creating high ...