26 to 50 of 750 REST Jobs in London

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 ...

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 ...

token usage, embeddings, vector search, RAG, tool use/function calling, structured outputs, and model evaluation. Familiarity with tools or frameworks such as Git, REST APIs, SQL, Docker, LLM APIs, LangChain, LangGraph, LlamaIndex, or cloud AI services. Foundational understanding of responsible AI concepts, including data privacy, model limitations, human oversight ...

frameworks such as LangChain, LangGraph, Semantic Kernel, AutoGen or CrewAI; practical knowledge of RAG patterns, vector databases and embeddings; API design and integration using REST, event-driven and workflow-based patterns; CI/CD, automated testing and infrastructure-as-code; containerisation and deployment using Docker and Kubernetes; and hands ...

Core code‐first migrations and data modelling. Strong front‐end engineering skills in React and TypeScript, including component architecture, state management, and integration with REST/SignalR backends. Solid understanding of event‐driven architectures. Hands‐on experience with PostgreSQL or comparable relational databases. Experience with API and application security. Practical ...

security) and performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC) and event-driven architectures; Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes ...

.NET. Experience developing applications using ASP.NET/ASP.NET Core. Good understanding of object-oriented programming and software development principles. Experience developing and consuming REST APIs/web services. Strong understanding of software development lifecycle and coding best practices. Experience working with relational databases such as SQL Server. Ability to troubleshoot ...

approach, writing unit and integration tests to ensure high-quality code, and maintaining a robust testing suite for continuous integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/CD tools (such as Jenkins, Ansible, Packer, Docker) Experience with Docker, Kubernetes or OpenShift for containerisation ...

real-time views over WebSockets handle loading, empty, error and stale-data states with care. The services and data You design and build REST services in async Python with FastAPI or Django and Pydantic, with clear OpenAPI contracts and backwards-compatible changes. You model domain data in PostgreSQL, covering schema ...

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 ...

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 ...

opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React or Vue. The company is continuing to modernise its established software platforms, creating an opportunity ...

opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React or Vue. The company is continuing to modernise its established software platforms, creating an opportunity ...

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 ...

skills in English. Nice-to-Have (or “Good to Grow Into”) Experience with testing libraries (pytest, unittest, mock, Playwright, MochaJS, ...). Exposure to REST API testing , Selenium , or other automation tools. Familiarity with Azure DevOps , Docker , Linux environments , or cloud-based CI/CD systems . Interest in site ...

optimisation, and query tuning. Experience delivering front‐end functionality using HTML, JavaScript, and Razor. Experience building and supporting integrations with third‐party systems using REST APIs or similar technologies. Practical experience working with Azure Cloud Services and Azure DevOps, or equivalent CI/CD tooling. Proficiency with Visual Studio ...

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 ...

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 ...

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 ...

experience developing modern full stack applications, with hands-on knowledge of React, JavaScript and TypeScript and experience designing or integrating back-end services and REST APIs.* Have experience developing and operating solutions in Microsoft Azure, alongside modern practices such as Git-based source control, automated testing and CI/CD. ...

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 ...

great if you had Experience 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 ...

Data access in Go using tools such as database/sql, sqlx, sqlc or GORM Authentication and authorisation including OAuth2, OIDC and JWT REST API design and implementation, with exposure to gRPC and Protocol Buffers Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging ...

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 ...

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 ...