1 to 25 of 892 REST Jobs in London

Python development Experience building AI-enabled or agentic applications Experience with Azure AI Services, OpenAI, LangChain, or similar platforms Experience designing and developing secure REST APIs and enterprise integrations Strong understanding of SQL, relational databases, and data-intensive applications Experience with Git-based development practices, automated testing, and CI/ ...

software development lifecycle, including requirements analysis, estimation, design, development, testing, deployment, hypercare and break-fix support. Integrate applications with internal and external services using REST, SOAP or GraphQL APIs where appropriate. Work with Product, Development, Test, Architecture and Service teams to clarify requirements and deliver solutions that meet agreed standards. ...

Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication ...

balance new features against architectural health. Excellent time management and proactive problem-solving skills. Technologies we work with Back end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. ...

advantage. Solid experience with object-oriented design and applying standard design patterns. Experience designing, building, and deploying scalable microservices using API-first principles with REST and/orgRPC. A strong appreciation for best practices, attention to detail, and building secure and stable systems. A collaborative mindset, with a drive ...

development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient; Familiarity with state management using Redux or Context API and experience integrating REST APIs into front-end applications; Good knowledge of SQL and experience working with relational databases such as PostgreSQL, SQL Server, or MySQL; Experience working with ...

handling large data volumes, with experience across cloud data platforms, data pipelines and SQL-based technologies.* **Integration:** Strong integration experience across external systems, including REST APIs, messaging and event-driven architectures, and secure file and data exchange, with experience using canonical data models and anti-corruption layers.* **Security:** Strong grounding ...

security.Work with relational databases (SQL Server preferred), including schema design, query optimisation and stored procedures where appropriate.Integrate with internal and third-party systems using REST and messaging patterns.Write clean, testable code; create unit and integration tests and support automated CI/CD pipelines.Participate in code reviews, technical design discussions ...

capacity estimates, and balance new features against architectural health.Excellent time management and proactive problem-solving skills.Technologies we work withBack end (primary): .NET/C#, REST APIs, event-driven and microservice architectures.Front end: React, TypeScript.Machine learning: Python, model training and serving, and the infrastructure to run models in production.Data & platform ...

Angular or Vue.js would also be considered). Inter-Application Communication: Solid understanding of building applications that handle real-time data, using technologies like REST APIs, WebSockets, or middleware (e.g., Solace, Kafka, TIBCO). Engineering Excellence: Proficiency in modern software engineering practices, including CI/CD, automated testing, application resiliency ...

with Angular or Vue.js would also be considered).Inter-Application Communication: Solid understanding of building applications that handle real-time data, using technologies like REST APIs, WebSockets, or middleware (e.g., Solace, Kafka, TIBCO).Engineering Excellence: Proficiency in modern software engineering practices, including CI/CD, automated testing, application resiliency, performance ...

software engineering best practices, including testing and documentation • Excellent problem-solving and stakeholder communication skills • Experience mentoring or supporting more junior developers Desirable: • Django REST Framework • SCSS and Bootstrap • Azure experience • Nginx • Bash scripting • PostgreSQL • Docker, Kubernetes or other containerisation technologies • Experience with CI/CD pipelines, GitHub Actions, GitOps ...

software engineering best practices, including testing and documentation • Excellent problem-solving and stakeholder communication skills • Experience mentoring or supporting more junior developersDesirable: • Django REST Framework • SCSS and Bootstrap • Azure experience • Nginx • Bash scripting • PostgreSQL • Docker, Kubernetes or other containerisation technologies • Experience with CI/CD pipelines, GitHub Actions, GitOps ...

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 ...

technology controls. Support production readiness reviews and regulatory initiatives. Required Technical Skills Engineering & Architecture Java/GoLang/.NET/Python Microservices Architecture REST APIs Event-Driven Architecture Domain Driven Design (DDD) Cloud Platforms AWS/Azure Kubernetes Docker OpenShift DevOps & Automation Jenkins GitHub/Bitbucket Terraform Ansible CI/ ...

Bring:Experience developing automated test frameworks using C# (.NET) (preferred) or Java, with Behaviour Driven Development frameworks such as SpecFlow or Reqnroll.Strong experience automating REST API and UI testing using tools such as Playwright, Selenium WebDriver, or similar technologies.Knowledge of CI/CD pipelines, GitHub Actions, version control, and modern ...

compliance and operational requirements into pragmatic technical designs. Required skills Skill Area Technologies/Capabilities Engineering leadership Java, Spring Boot, .NET or Node.js, microservices, REST APIs, event‐driven architectures, OpenAPI/Swagger, integration patterns Front‐end engineering Data & integration SQL, NoSQL, data integration, streaming/event platforms such as Kafka ...

Engineering (Web & APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). 3. Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java ...

roles• Strong programming skills in Java or Python• Experience with UI automation tools such as Selenium, Playwright, or Cypress• Strong API automation experience using REST Assured, Postman, or similar tools• Knowledge of BDD/TDD frameworks (Cucumber, TestNG, JUnit, PyTest)• Hands-on experience with CI/CD pipelines• Familiarity with ...

design principles, and enterprise application architecture.Proven experience designing and building RESTful services and microservices-based solutions.Strong experience with Java 17, Spring Boot, Kafka, PostgreSQL, REST APIs, and event-driven architectures.Good understanding of frontend integration patterns and experience collaborating across user interface and backend delivery teams.Strong knowledge of Agile delivery methodologies ...

equivalent orchestration, Data Lake/Apache Iceberg, and advanced SQL for large‐scale transformations. Microservices & APIs: experience building modular, production‐grade microservices and REST APIs using Python (FastAPI, Flask, or equivalent); understanding of service design principles including versioning, fault tolerance, and observability. Cloud platforms: working knowledge of cost and usage ...

patterns, and operational best practices. Contribute to system architecture and technical design for multi-country payroll, compensation, and equity domains, including integration patterns using REST, file-based feeds, and event-driven approaches. Own production readiness for your work including logging, monitoring and alerting, reconciliation tooling, incident response support, and operational ...

Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with messaging and event-driven technologies such ...

contracts, transactions and wallet integrationsProficient in using test automation frameworks and tools such as:UI Testing: Selenium, Cypress/JavaScript/Typescript, AppiumAPI Testing: REST Assured, Postman, SoapUIBDD Tools: Cucumber, SerenityDatabase TestingSolid experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions)Familiarity with cloud-native architectures ...

Agile ceremonies. Required Skills & Experience Technical Expertise Strong proficiency in front-end technologies: React/Angular/Vue Solid experience in back-end technologies: REST APIs, GraphQL Strong understanding of databases: Hands-on experience with cloud services, ideallyAzure or AWS. Experience with CI/CD pipelines (GitHub Actions,Azure DevOps ...