76 to 100 of 880 REST Jobs in the UK

Node.js/TypeScript Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
through collaboration, communication, and shared ownership Technical Expertise Experience working with microservices architecture Experience handling large-scale datasets (millions of rows) Strong knowledge of REST, JSON, and SOAP APIs Experience writing unit, integration, and end-to-end tests Hands-on experience with CI/CD pipelines (GitHub Actions) Experience using ...

Senior VP Credit Risk SME/Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Redis, Apache Kafka, Spark, HBASE and HDFS. Risk technology are using Kubernetes to deploy fraimWRX with a Python based Coordinator and Job Runner REST components. An in-house .NET based application layer integrates the FRA into MUFG proprietary systems. The successful candidate’s primary role as leader of the Credit ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
codebases, using modern tooling to improve reliability and evolve architecture pragmatically. Strong system design fundamentals across scalability, performance, and distributed systems, including API design (REST, GraphQL). Hands‐on experience with observability tooling (Datadog, Grafana, or similar) and a data‐informed approach to system health and reliability. Solid ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/annum
stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial experience building enterprise-grade frontend applications using ...

S&T Credit Systematic Trading Developer - AVP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
latency services, concurrency, messaging Python for research, analytics, data processing FIX protocol experience Front‐end engineering experience JavaScript/TypeScript React Real‐time dashboards (REST/WebSocket) Modern UI state management Distributed systems experience Kafka/Chronicle PostgreSQL/KDB+ Caching strategies Avro/Protobuf DevOps skills Linux Docker/ ...

Java Developer - Government Experience Needed

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£400 per day 400 Inside IR35
Essential Skills Strong commercial experience with Java (11/17+). Extensive experience with Spring Boot and Spring Framework. Microservices architecture and distributed systems. REST API design and development. SQL and relational databases such as PostgreSQL or Oracle. Automated testing using JUnit and Mockito. Git version control. Agile/Scrum ...

NET Developer (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
Taunton, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£470/day 470/day (Outside IR35)
Cloud environments including: Azure PaaS services (App Services, Azure Functions, Storage Accounts, Service Bus + Azure Key Vault). Technical Skills: C#, .NET, Azure, REST APIs, service integration, object-oriented design principles (OOD), Git source control, GitHub Copilot AI tools, Agile delivery teams, CI/CD pipelines + SW Engineering ...

Python Developer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
technical design discussions Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern ...

Senior Automation Engineer

Hiring Organisation
Jobleads-UK
Location
Wrexham, Wales, United Kingdom
environments. Ability to independently drive automation initiatives and improve quality engineering processes. Preferred Qualifications Experience with API test automation using tools such as Postman, REST Assured, or similar frameworks. Experience working with containerized environments using Docker and Kubernetes. Familiarity with test reporting and visualization tools such as Allure or custom ...

Senior Full-Stack Developer

Hiring Organisation
Airtask Group
Location
Milton Keynes, England, United Kingdom
working arrangement. Key responsibilities are: • Design, build, and maintain full-stack web applications using Angular and Spring Boot • Develop and integrate secure, high-performance REST APIs • Work with Docker and Kubernetes to support scalable, containerized environments • Apply reactive programming principles (RxJS/Project Reactor) • Contribute to system architecture, performance ...

Technical Consultant - C# and VB.NET - London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technologies including ASP.NET, HTML5, CSS3, JavaScript, and modern application integration practices. Experience working with data interchange formats such as XML, JSON, AJAX, and REST‐based integrations. Strong understanding of Software Development Life Cycle (SDLC), application architecture, design patterns, and coding best practices. Experience leading development activities, performing code reviews, troubleshooting ...

Dynamics 365 Developer

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
with Microsoft Dataverse and SQL-based data structures. Understanding of relational database concepts and data modelling principles. Experience designing and consuming integrations using APIs, REST/SOAP services, and cloud-based technologies. Strong analytical and troubleshooting skills with the ability to diagnose complex technical issues. Ability to produce high-quality ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

Software Engineer

Hiring Organisation
TREND Networks Limited
Location
HP11, Loudwater, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
Quick/QML). Developing cloud-connected functionality supporting our AnyWARE Cloud platform. Designing and developing services hosted within Microsoft Azure. Implementing REST API integrations between products and cloud services. Applying secure software development and cybersecurity-by-design principles. Supporting compliance with the RED Cybersecurity requirements and Cyber Resilience ...

Developer

Hiring Organisation
Parity Network
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£475/day
responsibilities include: Developing and supporting modern software solutions using Java, Spring Boot and React. Enhancing automation and digital case management tooling. Building secure REST APIs and event-driven microservices. Developing responsive web applications using React and Next.js. Supporting CI/CD pipelines and cloud-native deployments. Designing and implementing scalable ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience working as a Full Stack Engineer. 5+ years of relevant experience in coding in Typescript/JavaScript, using Node.js to architect and create REST and/or GraphQL APIs. Preferred experience working with eCommerce systems and platforms. Strong technical experience in modern front-end Typescript/JavaScript libraries ...

Principal Technology Architect - LLMs, agentic coding systems, intelligent IDEs, AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
research workflows where permitted; govern enterprise knowledge ingestion. Architecture & Integration Distributed systems, microservices, cloud‐native (Azure/AWS/GCP); secure API design (REST/GraphQL). MLOps & AIOps: CI/CD for AI, model lifecycle (eval, versioning, rollout/rollback), guardrails, telemetry, drift monitoring, prompt safety. DevSec & Responsible ...

Fullstack Software Engineer III - Java

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
languages Hands-on experience in server-side Core Java, XML, JSON, J2EE programming, Spring Framework, and associated design techniques Experience developing web applications and REST APIs, with exposure to relational databases (Oracle/Sybase) or non-relational databases (MongoDB) Working knowledge of version control using Git, continuous integration tools such ...

Principal Java Engineer

Hiring Organisation
Jobleads-UK
Location
Wallingford, England, United Kingdom
Spring Framework 6/Spring Boot 3.5 Hibernate ORM 6.6+, JPA Apache Tomcat 11, IntelliJ IDEA AI Tooling (Claude, Codex, Gitlab Duo, etc) REST APIs, OpenAPI, Microservices, Event-driven architecture (RabbitMQ) Containers, Docker, AWS, Linux CI/CD with GitLab Pipelines & Jenkins Observability: logging, metrics and monitoring MySQL, Apache Solr ...

C++ Software Engineer (Remote)

Hiring Organisation
Hope Macy
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
background (at least one role in work history involving substantive C++ development) Comfortable working daily in TypeScript and Python alongside C++ Solid understanding of REST APIs and microservice architecture Comfortable with CMake build systems Proficient with Git (branching, rebasing, pull requests) Good testing habits (unit tests, integration tests) A private ...

Tech Lead - Optimisation Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
batching/warm starts, parameter management, sensitivity analysis. Languages: Python and/or Java/C#/C++ (based on team stack). Services: REST/gRPC APIs, microservices and/or modular monoliths, asynchronous job orchestration. Data: SQL, data pipelines/ETL/ELT, caching strategies, data quality checks ...

Intermediate Java Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
delivery. Some experience with Apache Kafka, including working on distributed messaging systems for real-time data processing and managing Kafka-based solutions. Experience developing REST-based APIs. Some experience with SQL is required, and exposure to SQL stored procedures and indexes is preferred. Knowledge with DevOps principles and CI/ ...

Senior Forward Deployed ML Engineer, Agents

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Optimize for sub-500ms latency, natural conversation flow, turn detection, and interruption handling in real-time systems Integrate agents directly into customer codebases via REST/GraphQL/WebSocket APIs and custom SDKs (Python, TypeScript) Act as trusted technical advisor to customers, shaping AI strategy and guiding roadmap decisions from ...

Forward Deployed Solution Engineer - Applied AI FDE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Proven ability to design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) LLM tooling: Familiarity with LangChain, Semantic Kernel, prompt chaining, vector search, and context management Performance & observability: Skilled in debugging distributed systems, tuning ...

Software Engineering Software Engineer - Confluent Stream Processing & Analystics Professional [...]

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engineering practices:Writes readable, maintainable code, uses Git effectively, and follows code review and testing best practices. Backend/API and database basics:Understands REST APIs, HTTP fundamentals, SQL, and basic system design concepts such as client-server architecture and caching. Ownership and learning mindset:Takes initiative, seeks feedback, learns ...