51 to 75 of 750 REST Jobs in London

practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s): Java, Spring Boot, JPA, SQL, REST, Python Strong understanding of Agile methodology and leveraging SDLC tools (JIRA, Jenkins, GIT, JUnit) to achieve CI/CD, Application Resiliency and security. Proficiency ...

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 ...

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 ...

Experience Expert QA experience, including test planning and automation. Expert experience with JavaScript or TypeScript and Cypress for front-end testing. Strong knowledge of REST/SOAP APIs, JSON, XML. Proficient in tools like JIRA, Postman, ReadyAPI, or JMeter. Experience with SDLC, QA methodologies, and scripting (Python, etc.). Excellent ...

with your peers on technical direction within your team Requirements/knowledge (you don't need everything) JavaScript frameworks (React, NextJS) TypeScript Python 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) Elasticsearch ...

software development experience, with Python as your main language. Solid knowledge of Python, from the fundamentals to more advanced concepts. Hands‐on experience building REST APIs with Flask. Experience with background jobs and asynchronous processing using Celery and a message broker such as RabbitMQ. Hands‐on experience with MongoDB, ideally ...

expert in every area above - we can support with training and development in some areas! JavaScript frameworks (React, NextJS) TypeScript Python 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) Elasticsearch/Opensearch ...

including Streams, Lambdas and Optional Spring Boot and the wider Spring ecosystem NodeJS 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 ...

would be great if you hadExperience working with technologies such as Django, Flask, PostgreSQL, DynamoDB, Redis, Docker, Kubernetes and Terraform.Experience with event-driven architecture, REST and GraphQL APIs, messaging services and cloud-native infrastructure.A background in observability, automated testing and incident management, using tools such as PyTest, CloudWatch, New Relic ...

JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs/custom connectors Azure Integration Knowledge - Azure Functions, Logic Apps, Service Bus ALM and CI/CD experience Azure DevOps + Agile Practices Comprehensive ...

have strong commercial experience with: 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 Docker ...

failures caught and results achieved. Strong critical code-review skills and clear written communication to produce precise specifications for agents. Strong PostgreSQL, relational design, REST API and cloud-native fundamentals (AWS preferred), with depth in at least two of Go, Python and TypeScript. Experience in automated testing, CI/ ...

taking prototypes towards production. Applied AI: LLM APIs and SDKs, prompt orchestration, structured outputs, agentic workflows and tool/function calling. Integration and data: REST APIs, webhooks, system integrations, SQL and working with structured and unstructured data. AI architecture: retrieval, RAG, search and vector approaches where appropriate, alongside cloud environments ...

Proven ability to design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) Machine Learning: Foundations of MLflow, Weights & Biases, LoRA, PEFT, SageMaker, Vertex AI, AzureML, Kubeflow, Airflow, Prefect, TorchServe, Triton, vLLM, SHAP, LIME, pandas, Spark ...

Proven ability to design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) Machine Learning: Foundations of MLflow, Weights & Biases, LoRA, PEFT, SageMaker, Vertex AI, AzureML, Kubeflow, Airflow, Prefect, TorchServe, Triton, vLLM, SHAP, LIME, pandas, Spark ...

Depth on either the client side, in a component framework such as React, Angular, or Vue, or on the service side. Builds and consumes REST and event-driven interfaces, and knows when each is the right choice. Public cloud experience with AWS, Azure, or Google Cloud, including managed and serverless ...

based event streaming, schema management, asynchronous processing, replayability, idempotency, dead-letter handling, and integration resilience patterns. Hands‐on architecture experience with Microsoft .NET ecosystems, REST/gRPC APIs, middleware platforms, enterprise messaging, MSSQL, PostgreSQL, and application modernization technologies. Strong understanding of cloud-agnostic and hybrid architecture principles including Kubernetes, Docker ...

Confidence reading, navigating and contributing to application code; this is not a role limited to executing manual test scripts. Experience testing modern web applications, REST APIs and backend workflows. Ability to reason through complex business workflows, state changes, edge cases and failure modes. A track record of building or improving ...

Platform Developer I as a minimum; Platform Developer II, Application Architect, or System/Technical Architect certifications are highly desirable. Strong integration experience using REST/SOAP APIs, event‐driven patterns, and middleware such as MuleSoft to connect Salesforce with the wider technology estate. Proven experience of DevOps ...

codebases, using modern tooling to improve reliability and evolve architecture pragmatically. Strong system design fundamentals across scalability, performance, and distributed systems, including API design (REST, GraphQL). Hands-on experience with observability tooling (Datadog, Grafana, or similar) and a data-informed approach to system health and reliability. Solid ...

frontend development (e.g., React/TypeScript ecosystem, Micro-frontends, Design Systems, State Management) with strong working competency in backend integration (Node.js, Java, Python, or REST/GraphQL APIs). System Analysis & Implementation: Extensive experience in software systems analysis, programming, and architecture of enterprise web applications. Project & Delivery Track Record: Proven ...

programming, clean architecture, and production-grade code System design skills - you can design scalable, maintainable systems and articulate trade-offs clearly API design expertise - REST, WebSockets/SSE, and understanding of distributed systems patterns Database proficiency - SQL and NoSQL (DynamoDB, PostgreSQL, OpenSearch), including query optimization and data modeling Testing mindset ...

this role. Design and develop homogenous data repositories to deliver data led decision making. Ingest data from various sources, including on premise SQL databases, REST API’s, Apache Kafka streams, etc. Define and apply cleansing rules to the data to ensure meets quality expectations. Define and model data ...

commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...

commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...