51 to 75 of 816 REST Jobs in London

Senior Software Developer

Location
City Of London, England, United Kingdom
Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical day-to-day use of AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 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 ...

Insights Tech Lead

Location
Greater London, England, United Kingdom
analytics solutions Expert Power BI development, including semantic models and Power BI Service administration Expert Python development for data, analytics and automation Experience integrating REST APIs and multiple data sources Knowledge of traditional machine learning techniques, including tree-based models (e.g. Random Forest, CatBoost), feature engineering techniques such ...

Senior Software Developer

Hiring Organisation
Young's Employment Services Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum, Negotiable
Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical day-to-day use of AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code ...

Power Platform Architect /Developer

Location
Greater London, England, United Kingdom
integration. Agentic AI : design LLM agents with LangChain/LangGraph/AutoGen ; retrieval strategies; vector search . Programming: Python and/or .NET; SQL ; REST/Graph; eventing; strong integration patterns. CI/CD & ALM: Azure DevOps or GitHub Actions; source control; pipeline gating; automated deployment. Security & Governance: DLP, RBAC ...

Senior Software Developer

Hiring Organisation
Youngs Employment Services
Location
WC2H, Covent Garden, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum Bonus
Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical day-to-day use of AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Microsoft development background. Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular. Experience designing and building REST APIs and integrating AI capabilities into enterprise applications. Strong knowledge of Microsoft Azure, including Azure AI Foundry, Azure AI Services and cloud-native application development. ...

DevOps Engineer - SC Clear

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day £550 per day via UMB
SageMaker Python scripting and automation Container orchestration platforms Infrastructure security and hardening Cloud networking and connectivity Application Support Knowledge C# .NET JavaScript React REST APIs Microservices architecture COTS Product Experience Supporting Commercial Off-The-Shelf products within secure environments Troubleshooting intelligence, analytical or partner-provided systems Exposure to SOLAR ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
engineering output meets stakeholder expectations, security, resiliency and compliance standards. Technical Skills Strong hands-on experience with Java and/or Kotlin. Expertise in REST APIs, microservices, and distributed systems. Experience with AWS/multi-cloud cloud-native environments. Hands-on experience with messaging frameworks and event-driven architectures. Strong ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
experience across frontend and backend technologies. Strong expertise in technologies such as: TypeScript/Node.js React or modern web frameworks Java/Kotlin (desirable) REST APIs and event-driven architectures Experience with AWS, Docker, Kubernetes, and modern DevOps practices. Experience working in financial services or other highly regulated environments. Strong ...

Senior Microsoft Power Platform and AI Developer

Location
Greater London, England, United Kingdom
developing MCP servers and tools, or equivalent tool-based agent integration patterns, including troubleshooting identity,permissionsand data flow. Strong API and integration skills, including REST/JSON, custom connectors, OAuth 2.0, Microsoft EntraIDand securesecretsmanagement. Pro-code engineering capability in one or more languages such as TypeScript/JavaScript,C#or Python ...

Junior Software Engineer (Data Products)

Location
Greater London, England, United Kingdom
Problem-Solving Mindset: A proactive approach to debugging and a genuine curiosity about how data flows through a system. API Awareness: Basic understanding of REST APIs and how microservices communicate. Educational Background: A degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Preferred Skills ...

Enterprise Software Architect

Location
Bromley, England, United Kingdom
/RFP responses and Proofs of Concept, shaping credible, scalable, and secure technical propositions. Qualifications Core Engineering: .NET Framework and C#, SQL, MVC, REST and SOAP APIs, with strong experience in designing maintainable, testable systems. AI‐Assisted Engineering: Practical use of GenAI to accelerate development whilemaintainingquality, security, and governance standards. ...

Principal Data Scientist - Optimisation Engineering

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 ...

Technology support I

Location
Greater London, England, United Kingdom
technical specifications, control implementations, and API/service contracts. Hands-on experience with modern application stacks and API tooling — e.g., Node/Express, React, REST API design and integration, and API testing with Postman/Insomnia — applied to building LLM-assisted microservices and internal tooling. Familiarity with treating prompts ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
GitLab (or equivalent); infrastructure-as-code (e.g. Terraform); observability and monitoring stacks.* Solid understanding of database systems, SQL, data modelling, ETL pipelines, REST/gRPC APIs and microservices architecture; identity and access management with OIDC/SAML and Azure Entra ID.* Experience with LLMs, RAG systems, prompt engineering ...

Forward Deployed Product Engineer

Location
Greater London, England, United Kingdom
Svelte, Vue) Experience with cli application development or local software development is a plus Backend & Systems Experience with backend development Experience designing and consuming REST APIs Developer Experience Experience working with developer tooling Familiarity with CI/CD pipelines Experience with containerization Programming Languages Strong experience with TypeScript and modern ...

Senior Platform Engineer (United Kingdom)

Location
Greater London, England, United Kingdom
secure CI/CD pipelines and integrating security throughout the SDLC. Hands-on experience implementing or managing SIEM, monitoring, and alerting systems. Understanding of REST APIs, authentication flows, event-driven architecture, and microservice patterns. IAC and technical experience with Pulumi, Terrraform, argo and flux is highly desired. Excellent written ...

Senior Fullstack Engineer (Java/React/Python)

Location
Greater London, England, United Kingdom
hooks-based development and state management Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging technologies such as Kafka or RabbitMQ ...

Full Stack Python Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
database and automation, developing scalable services and user-facing applications while supporting production environments and continuous improvement. Key Skills: Advanced Python and Flask development REST API development and object-oriented programming JavaScript with React.js or Angular MongoDB and NoSQL database design Linux/Unix and Bash/Shell scripting ...

Full Stack Developer

Location
City of Westminster, England, United Kingdom
DevOps : Familiarity with CI/CD tools (GitHub Actions, GitLab), IaC (Terraform, Ansible), and monitoring tools (Datadog, Grafana). Containerization : Docker and Kubernetes. APIs : REST, GraphQL, OpenAPI. Databases : SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Testing : Unit and functional testing (Jest, Cypress, Mocha). Soft Skills Strong communication skills ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
development processes and engineering standards Requirements Commercial experience developing applications with C# and .NET Experience building frontend applications with React Strong understanding of REST APIs and modern web development practices Experience working with SQL databases Familiarity with cloud platforms such as Azure or AWS Understanding of software engineering best practices ...

Lead Software Engineer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working with databases Experience shipping user-facing web applications A collaborative, Agile mindset ...

Azure Lead Integration Developer

Hiring Organisation
Cognitive Group | Part of the Focus Cloud Group
Location
Greater London, England, United Kingdom
Azure Logic Apps Azure Functions & Durable Functions Azure Service Bus API Management Event Grid and/or Event Hub Development & Architecture .NET/C# REST APIs Microservices architecture Secure application design Git CI/CD pipelines 🔹 The kind of person we’re looking forYou’re a hands-on technical leader ...

Lead Software Engineer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
experience with a modern object-oriented language, ideally C# or Java Deep understanding of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working with databases Experience delivering user-facing web applications A collaborative Agile mindset ...