1 to 25 of 1,689 REST Jobs in the UK

Senior AI Software Developer

Location
Greater London, England, United Kingdom
/JavaScript and/or C#/.NET development experience. Experience with Hapi.js and/or ASP.NET Core. Full Software Development Lifecycle (SDLC) experience. REST APIs and Microservices. Cloud-native application development. Distributed Systems. Event-Driven Architectures. Automated Testing and Test-Driven Development (TDD). Docker and Containerisation. MongoDB ...

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Linux Tools/Technologies/Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira Design : API, HTTP/REST, JSON, micro-services and distributed systems SDLC : Agile, Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic ...

Senior Java Full Stack Developer

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
pipelines. You will collaborate closely with global engineering counterparts, product managers, and enterprise architects to deliver high-throughput data reconciliation, automated ingestion, and robust REST APIs.If you are an experienced senior backend technologist who thrives on building scalable distributed data systems, mentoring talented engineers, and leveraging modern GenAI tools (e.g. ...

Java Full Stack Developer

Hiring Organisation
Cyberteam
Location
South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
Up to £600 per day
experience in Java (8/11/17) and Spring Boot, Kafka , Spring MVC, Spring Security. - Strong in Python work experience - Solid experience with REST APIs, Microservices Architecture, and messaging systems (Kafka/RabbitMQ). - Proficiency in frontend technologies: Angular/React, JavaScript/TypeScript, HTML5, CSS3. - Experience with relational ...

Senior Software Engineer - Elements

Location
United Kingdom
optimisation and component architecture OR working knowledge with focus on backend specialisation Backend Development : Strong proficiency with .NET Core, C#, ASP.NET Core Web APIs, REST, application architectures, and distributed systems Database Systems and Data Architecture : Strong knowledge of SQL, NoSQL and data architecture decisions. AI-Assisted Software Engineering : Experience with ...

Senior Full Stack Engineer (Java + Angular/React + Python)

Location
United Kingdom
application issues and drive continuous improvement initiatives. SKILLS Must have 7+ years of experience in Full Stack Application Development.Strong experience in Java, Spring Boot, REST APIs, and Microservices architecture.Proven expertise in Python development for AI/ML and Generative AI solutions.Experience building AI-enabled applications, chatbots, AI agents ...

Senior AI-Driven Full-Stack Engineer (Java/Python)

Location
Scotland, United Kingdom
application issues and drive continuous improvement initiatives. SKILLS Must have 7+ years of experience in Full Stack Application Development.Strong experience in Java, Spring Boot, REST APIs, and Microservices architecture.Proven expertise in Python development for AI/ML and Generative AI solutions.Experience building AI-enabled applications, chatbots, AI agents ...

Software Developer (Java & Typescript)

Hiring Organisation
Sanderson Government and Defence
Location
South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
Negotiable
. Strong commercial experience developing applications using Java . Strong experience developing services and APIs using TypeScript and Express.js . Experience building and supporting REST API and micro service-based architectures. Strong understanding of secure software engineering principles and best practices. Experience with version control, automated testing and code quality ...

Java Full Stack Developer

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
Devin, GitHub Copilot, Cursor) to automate boilerplate, accelerate unit testing, and achieve high engineering velocity.Key Responsibilities:Backend Microservices: Design, build, and maintain production-grade REST APIs and microservices using Java 21/25 and Spring Boot.Data Ingestion & Processing: Build resilient ETL and reconciliation services that ingest, validate, and deduplicate complex ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
Query, alongside HTML5, CSS3 and modern JavaScript frameworks. Experience developing backend services and APIs using TypeScript or another object-oriented language. Strong knowledge of REST APIs, GraphQL, WebSockets and microservices architecture. Commercial experience with AWS services, ideally Lambda, Fargate, API Gateway and AppSync. Experience with SQL and NoSQL databases, messaging ...

Full Stack Engineer

Location
Glasgow, Scotland, United Kingdom
demonstrable experience. Experience with a modern frontend framework such as React, Vue or Angular; experience with React would be particularly useful. An understanding of REST APIs and how frontend and backend applications interact. Experience working with relational databases and SQL. An understanding of source control using Git. Familiarity with automated ...

Lead Software Developer

Location
Leatherhead, England, United Kingdom
solutions. Adaptable Learner: Comfortable learning new languages, tools and observability technologies as required. Nice to Have: Experience with AWS or GCP; GraphQL, gRPC or REST API design; OWASP and GDPR; or mobile and web performance optimisation. MEASURES & GOALS: (HOW WILL THE SUCCESS OF THE PERSON IN THIS POSITION BE MEASURED ...

Senior Backend Engineer - Investment Technology

Location
City Of London, England, United Kingdom
ability to support, debug and enhance existing services written in those languages.API Design - Strong experience designing and versioning well-structured, secure and reusable APIs (REST required; gRPC, GraphQL or event-driven APIs a plus), with a focus on backward compatibility and consumer experience.Service Architecture - Experience with microservices, distributed systems ...

AWS Integration Developer

Location
Birmingham, England, United Kingdom
servers. Proficiency in at least one programming language (Python, Java, JavaScript/TypeScript, or Node.js). Solid understanding of JSON, HTTP/HTTPS, REST, OAuth 2.0, JWT, and IAM concepts. Experience with Git, CI/CD pipelines, and automated testing frameworks. Strong troubleshooting, debugging, and problem-solving skills. Familiarity with ...

.Net / React Developer

Location
Milton Keynes, England, United Kingdom
using React. Strong experience with TypeScript. Previous experience within Financial Services, Banking, Consumer Finance, Insurance, or other highly regulated environments. Experience developing and consuming REST APIs. Experience with SQL and/or NoSQL databases. Experience with Docker and Kubernetes. Experience working with AWS and/or Azure. Strong understanding ...

Net / React Developer

Hiring Organisation
Experis
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
using React. Strong experience with TypeScript. Previous experience within Financial Services, Banking, Consumer Finance, Insurance, or other highly regulated environments. Experience developing and consuming REST APIs. Experience with SQL and/or NoSQL databases. Experience with Docker and Kubernetes. Experience working with AWS and/or Azure. Strong understanding ...

Senior Salesforce Developer

Hiring Organisation
Chroma Recruitment Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent Contract, On-site
automation and Custom Metadata Building scalable integrations between Salesforce and other platforms (Informatica, ERP, MDM, marketing automation, eCommerce, customer support and data platforms) using REST, SOAP, Platform Events and middleware Supporting Informatica Customer 360 and master data management initiatives Developing reports, dashboards, KPIs and analytical solutions Unit testing, deployment ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
client stakeholders to translate business requirements into robust technical solutions. Design and implement integrations with internal client systems and external third-party APIs using REST, webhooks, and event-driven integration patterns. Apply software engineering best practices, including SOLID principles, Clean Architecture, Repository Pattern, Factory Pattern, Strategy Pattern, Dependency Injection ...

Senior Lead Full-Stack Software Engineer

Location
Greater London, England, United Kingdom
HTML5, CSS3, and JavaScript. Hands-on experience with React.js and its core principles. Strong understanding of API protocols and asynchronous request handling, including REST and GraphQL. Experience with relational (SQL) and NoSQL databases, including data modelling and optimization. Experience in Java and Spring Boot for backend development and system architecture. ...

Senior Backend Engineer - Investment Technology

Location
Greater London, England, United Kingdom
support, debug and enhance existing services written in those languages. API Design - Strong experience designing and versioning well-structured, secure and reusable APIs (REST required; gRPC, GraphQL or event‐driven APIs a plus), with a focus on backward compatibility and consumer experience. Service Architecture - Experience with microservices, distributed systems ...

Developer - CDM

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
survivorship and data quality. Strong experience with Informatica PowerCenter, IDMC, Cloud Data Integration, Cloud Application Integration and Data Quality . Experience building integrations using REST/JSON APIs , business entity services and ETL/ELT methodologies. Strong SQL/PL-SQL , data modelling and data warehousing skills, with the ability ...

Salesforce Marketing Cloud Next and Data 360 Developer

Location
Manchester, England, United Kingdom
writing and troubleshooting SQL queries and working with structured data formats such as CSV, JSON and XML. • You’ll have experience integrating systems using REST APIs, SOAP APIs, file-based interfaces, middleware solutions, connectors or event-driven approaches. • You’ll understand software development lifecycle practices including requirements gathering, user stories ...

Salesforce Marketing Cloud Next and Data 360 Developer

Location
Birmingham, England, United Kingdom
writing and troubleshooting SQL queries and working with structured data formats such as CSV, JSON and XML. • You’ll have experience integrating systems using REST APIs, SOAP APIs, file-based interfaces, middleware solutions, connectors or event-driven approaches. • You’ll understand software development lifecycle practices including requirements gathering, user stories ...

Salesforce Marketing Cloud Next and Data 360 Developer

Location
Greater London, England, United Kingdom
writing and troubleshooting SQL queries and working with structured data formats such as CSV, JSON and XML. • You’ll have experience integrating systems using REST APIs, SOAP APIs, file-based interfaces, middleware solutions, connectors or event-driven approaches. • You’ll understand software development lifecycle practices including requirements gathering, user stories ...

Salesforce Marketing Cloud Next and Data 360 Developer

Location
Woking, England, United Kingdom
writing and troubleshooting SQL queries and working with structured data formats such as CSV, JSON and XML. • You’ll have experience integrating systems using REST APIs, SOAP APIs, file-based interfaces, middleware solutions, connectors or event-driven approaches. • You’ll understand software development lifecycle practices including requirements gathering, user stories ...