1 to 25 of 754 REST Jobs in London

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 ...

languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

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. ...

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 ...

other engineers Technical Environment You'll work across a modern engineering stack including: C#/.NET/.NET Core TypeScript & JavaScript React Python Node.js REST APIs & Microservices SQL & NoSQL databases Docker & Kubernetes CI/CD pipelines Highly Desirable Experience We're particularly interested in engineers who have experience with ...

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 ...

Architecture Enterprise Architecture Solution Architecture Microservices Architecture Event-Driven Architecture Domain-Driven Design (DDD) API-First Design Cloud Platforms Azure AWS GCP Integration Technologies REST APIs SOAP Services Kafka MQ Series APIGEE MuleSoft Azure Integration Services Application Technologies Java/Spring Boot .NET Core Node.js Containerization (Docker) Kubernetes/OpenShift ...

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 ...

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 ...

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). Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native ...

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 ...

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 ...

Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

oriented languages such has C# or JavaEnterprise Expertise: Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging.Data Modelling: Worked with defining data models and interacting with databaseProven Track Record: Built software that includes user facing ...

streaming via KafkaBackend & Distributed SystemsLanguages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus)Architecture: Microservices, domain-driven design, event-driven systemsAPIs & Integration: REST/gRPC; Apigee, KongData & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, KafkaCloud & DevSecOpsCloud Platforms: Strong experience with GCP (preferred); working knowledge of AWS; Azure exposure ...

Thrive in this Role, You’ll need Core skills and Experience Commercial experience developing production software using Node.js and TypeScript. Strong understanding of REST APIs and distributed systems. Experience working with PostgreSQL or other relational databases. Familiarity with AWS cloud services. Experience using Git and modern CI/CD pipelines. ...

within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

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 ...