1 to 25 of 806 Permanent REST Jobs in London

/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 ...

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 ...

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. ...

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 ...

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 ...

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. ...

delivering integrations between Power Platform, Dynamics 365, and external systems using APIs, middleware, and third-party platforms. Azure Integration Services: Strong knowledge of REST and SOAP APIs, Azure Logic Apps, Azure Functions, Azure Service Bus, and Azure Event Grid, with the ability to design scalable and resilient integration solutions. Microsoft ...

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 ...

Service Bus, Key Vault and API Management Hands-on experience with Azure DevOps and CI/CD pipeline implementation Experience building and consuming REST APIs Understanding of Agile development practices, SOLID principles and automated testing Experience using Claude AI or similar AI development tools to improve delivery and productivity Desirable ...

Experience Experience in any of the following areas would be advantageous: Test Automation: Selenium, Playwright, Cypress or similar tools. API Testing: Postman, SoapUI or REST APIs. Database Testing: SQL, data validation and reconciliation. ERP Testing: SAP, Oracle, Workday or Microsoft Dynamics. Financial Services, Banking, HR, Payroll or Finance Transformation. Performance ...

professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with Redis, Kafka, RabbitMQ, or similar backend technologies. Experience with Docker, CI/CD, and at least one cloud ...

technical roadmapsRequired Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

roadmaps Required Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

architectures.Experience with LangChain, LangGraph, LlamaIndex, Semantic Kernel, or similar frameworks.Expertise in Azure OpenAI, OpenAI, AWS Bedrock, Vertex AI, or open-source LLM ecosystems.Knowledge of REST APIs, microservices, cloud platforms (Azure/AWS/GCP), Docker, Kubernetes, and CI/CD.Strong problem-solving, stakeholder management, and communication skills.PreferredExperience delivering AI solutions ...

foundation in object-oriented design, development, and standard design patterns. Expert-level development experience using Java, Spring Boot and Web Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS. Ability ...

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 ...

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 Platform. ...

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 ...

deploying and supporting software across the full development lifecycle.Developing front-end applications using TypeScript, React and Redux.Building back-end services using Java, Node.js and REST APIs.Developing analytics and data processing components using Python.Designing data models and working with relational and document databases.Writing automated unit, integration and end-to-end tests.Contributing ...

supporting software across the full development lifecycle. Developing front‐end applications using TypeScript, React and Redux. Building back‐end services using Java, Node.js and REST APIs. Developing analytics and data processing components using Python. Designing data models and working with relational and document databases. Writing automated unit, integration ...

with your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

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 ...

Experience with/eager to learn Swift/iOS Demonstrable experience in TDD, pair programming Agile development methods such as Scrum or Kanban REST API development and/or consumption Deep understanding of MVVM and MVP Significant experience leading teams of people or technical decisions Desirable skills Postman or similar ...

quality, robust, and scalable solutions.Expertise in building back-end services using Kotlin with Spring Boot and the wider Spring Framework (Spring MVC, Spring Security, REST APIs), leveraging Kotlin idioms and coroutines where applicable.Experience in Microservices design and architecture, including RESTful API services and Kotlin-based microservice patterns.Expertise in public cloud ...

Strong understanding of both high level and low level software design. Expertise in: Core Java, Python Building highly distributed, data intensive systems Microservices, REST APIs RDBMS (Oracle/SQL Server/Postgres) CI/CD tools (Jenkins/GitLab), DevOps automation Docker, Kubernetes JVM profiling & performance optimisation Prior exposure ...