26 to 50 of 816 REST Jobs in London

Senior AI Automation Engineer

Location
Greater London, England, United Kingdom
agents, or workflows (e.g. Azure OpenAI, Copilot Studio, or equivalent) Understanding of agent patterns, orchestration, tool use, and LLM limitations Integration & APIs Experience with REST/GraphQL APIs, authentication, and system integration Experience building reusable services and connectors MCP or similar integration patterns desirable Cloud & Platforms Microsoft Azure experience ...

Junior Solution Architect

Location
Greater London, England, United Kingdom
technical role. Good understanding of software architecture, APIs, databases, and application development. Exposure to cloud platforms such as AWS, Azure, or GCP. Understanding of REST APIs, microservices, integrations, and distributed systems. Familiarity with Docker, CI/CD, Git, and modern development practices. Understanding of at least one programming language such ...

Java Engineer

Location
Greater London, England, United Kingdom
following; Strong proficiency in Java (Java 12+ preferred). Experience with Spring Boot, Spring Framework, and microservices architecture. Strong understanding of REST APIs, distributed systems, and event-driven architectures. Experience with relational databases such as PostgreSQL, MySQL, or Oracle. Experience with cloud platforms such as AWS, Azure, or Google Cloud ...

Senior Platform Software Engineer

Location
Greater London, England, United Kingdom
connectivity, telemetry, or edge-to-cloud systems AI/ML platforms, model training, model serving, RAG, evaluation harnesses, AI agents, or MCP Familiarity with REST APIs, source control, code review, automated testing, CI/CD, containers, or cloud services. Bachelor’s degree in Computer Science , Engineering, or related field ...

Site Reliability Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
similar. Experience supporting change control, incident management, and audit-ready documentation. Technical Skills Preferred experience with: Python, PowerShell, Bash, Go, JavaScript, C#, or SQL REST APIs and backend service automation GitHub Actions, Azure DevOps, Jenkins, or similar CI/CD tools Azure App Services, Azure Functions, virtual machines, storage, networking ...

Quality Assurance Engineer

Location
Greater London, England, United Kingdom
Test automation in TypeScript, ideally with the Serenity/JS framework and the Screenplay pattern (any strong page-object/BDD automation background transfers) REST APIs — manual and automated testing, working from OpenAPI/Swagger contracts, and best practice in API testing Web application testing with Playwright Python — unit ...

Software Engineer

Location
Greater London, England, United Kingdom
cloud, mobile, AI/machine learning, data, API, or full-stack product development Familiarity with Java, JavaScript, React, TypeScript, Python, C#, Go, Kotlin, Node.js, REST APIs, SQL, Spring, or similar frameworks and tools Exposure to cloud-native development, microservices, containerization, CI/CD, DevOps, automated testing, accessibility, or secure software ...

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 ...

Lead /Principal Full stack Developer 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 £120,000 - £160,000 base salary Equity package Hybrid working ...

Software Engineer with C# Java and Azure

Location
Greater London, England, United Kingdom
withone of theprogramming languages: C#/Java/JavaScript/Python, and PowerShell. In-depth knowledge and thorough experience of using Serverless, SOAP, XML, REST, JSON, EDI, XSLT, Async/Sync, Request/Response, Service Bus, Publish/Subscribe, Batch/Real-time, Scheduling, Event triggers, etc. In-depth knowledge ...

Software Engineer (Next.js Playwright)

Location
Greater London, England, United Kingdom
patients alike Requirements Must-haves 3+ years of professional software development experience. Strong experience with Next.js, React and TypeScript. Experience building and consuming REST APIs. Experience working with relational databases (SQL Server preferred). Familiarity with modern source control and CI/CD practices. Strong problem-solving skills and attention ...

Java Developer (SC Eligible/ Cleared)

Location
Greater London, England, United Kingdom
colleagues informally), and understands how their work contributes to broader team and organisational objectives. Key Responsibilities Design, develop, test, and maintain backend services and REST/GraphQL APIs using Java/Spring Boot (or equivalent modern backend stack). Contribute to system architecture and data model design in collaboration with ...

Forward Deployed AI Developer - Senior Associate - UK Wide

Location
Greater London, England, United Kingdom
Automate, Power Pages and Dataverse, together with solution management, environments and application lifecycle management. Integrate AI tools with enterprise systems through APIs, including Graph, REST, SQL, SharePoint and dedicated business systems. Develop cloud native skills on platforms such as Azure and AWS, and understand the AI offerings within them. Work ...

Consultant

Location
Greater London, England, United Kingdom
products, and business domains. Experience with one or more modern programming languages and frameworks, such as Java, C#, JavaScript, Angular, React, Spring Boot, Python, REST APIs, Shell Scripting, HTML5, XML, or similar technologies. Familiarity with cloud-native technologies, including Docker and Kubernetes, and experience with public cloud platforms such ...

Senior Developer

Location
Greater London, England, United Kingdom
resilience. Mentoring other engineers through code reviews and knowledge sharing. Essential 5+ years' experience building backend applications using C# .NET. Experience designing and developing REST APIs. Experience working with Microsoft Azure. Experience building and supporting production cloud applications. Good understanding of distributed systems and modern software architecture. Experience working with ...

AI Engineer-Anthropic-University/Graduate Level - UK

Location
Greater London, England, United Kingdom
token usage, embeddings, vector search, RAG, tool use/function calling, structured outputs, and model evaluation. Familiarity with tools or frameworks such as Git, REST APIs, SQL, Docker, LLM APIs, LangChain, LangGraph, LlamaIndex, or cloud AI services. Foundational understanding of responsible AI concepts, including data privacy, model limitations, human oversight ...

Polyglot Engineer (JS/Python/Go)

Location
Greater London, England, United Kingdom
security) and performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC) and event-driven architectures; Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes ...

Technical Lead

Location
London, United Kingdom
approach, writing unit and integration tests to ensure high-quality code, and maintaining a robust testing suite for continuous integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/CD tools (such as Jenkins, Ansible, Packer, Docker) Experience with Docker, Kubernetes or OpenShift for containerisation ...

Technical Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
approach, writing unit and integration tests to ensure high-quality code, and maintaining a robust testing suite for continuous integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/CD tools (such as Jenkins, Ansible, Packer, Docker) Experience with Docker, Kubernetes or OpenShift for containerisation ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
device workflows, menus, orders, payments, receipts, and hotel‐system integrations Design reliable APIs, data models, caching, synchronization, and recovery paths using PostgreSQL, Valkey, REST, and service integrations across the Cloudbeds platform Own observability, automated testing, release quality, performance, security, and production support for customer‐critical workflows Own changes across ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350 per day + Hybrid
using Angular and .NET technologies. Key Skills Required Strong commercial experience with Angular Good knowledge of TypeScript, JavaScript, HTML and CSS Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest Experience using Claude Code or similar ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £350.00 per day
using Angular and .NET technologies. Key Skills Required Strong commercial experience with Angular Good knowledge of TypeScript, JavaScript, HTML and CSS Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest Experience using Claude Code or similar ...

java developer for high-load microservices

Location
Greater London, England, United Kingdom
ensure high availability, performance, and scalability using Service Discovery, Circuit Breaker, API Gateway, and CQRS Design and build secure, robust, and well-documented REST/gRPC APIs Manage synchronous and asynchronous event-driven inter-service communication Collaborate with Product, DevOps, and QA teams to define, design, and ship new features ...

Principal Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per day + Inside IR-35
documentation. Supporting the continuous improvement of engineering capability and delivery processes. Essential Skills Java & Software Engineering Strong commercial Java development experience. Spring Boot. Maven. REST and SOAP services. Experience delivering large-scale enterprise systems handling high transaction volumes. Strong understanding of software engineering best practices and modern development approaches. ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration patterns Experience working with cloud-native platforms and containerised environments Exposure to AWS, Azure, Kubernetes, Docker, and CI/CD pipelines ...