. Testing and Debugging: Experience with testing tools like pytest , unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. Team Collaboration: Strong communication More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Profile 29
PostgreSQL, MongoDB. Front-End: Familiarity with HTML, CSS, JavaScript. Version Control: Proficiency in Git. GitHub Testing Tools: pytest, unittest. API Development: Building and integrating RESTful APIs. Containerization and Cloud Platforms: Experience with Docker, Kubernetes, AWS, Google Cloud. Beneficial Bachelors degree or Associates with experience in the field. Responsibilities Participating in More ❯
Responsibilities of the Contract .NET Developer (Commodities) Designing and developing C# .NET Core applications supporting real-time trading workflows and analytics. Developing and consuming RESTful and gRPC APIs in a microservices environment. Building distributed, event-driven services using Kafka or Azure Event Hubs. Implementing scalable cloud-native solutions on Azure More ❯
london, south east england, united kingdom Hybrid / WFH Options
X4 Technology
Responsibilities of the Contract .NET Developer (Commodities) Designing and developing C# .NET Core applications supporting real-time trading workflows and analytics. Developing and consuming RESTful and gRPC APIs in a microservices environment. Building distributed, event-driven services using Kafka or Azure Event Hubs. Implementing scalable cloud-native solutions on Azure More ❯
proficiency in ASP.NET and .NET (C#) and SQL. Experience with backend frameworks and libraries. Familiarity with database systems, both relational and NoSQL. Understanding of RESTful APIs and other web service technologies. Understanding of DevOps practices and CI/CD pipelines. Familiarity with testing frameworks and test-driven development. Security awareness More ❯
london, south east england, united kingdom Hybrid / WFH Options
Brown & Brown UK
proficiency in ASP.NET and .NET (C#) and SQL. Experience with backend frameworks and libraries. Familiarity with database systems, both relational and NoSQL. Understanding of RESTful APIs and other web service technologies. Understanding of DevOps practices and CI/CD pipelines. Familiarity with testing frameworks and test-driven development. Security awareness More ❯
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
london, south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
london (west end), south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Profile 29
PostgreSQL, MongoDB. Front-End: Familiarity with HTML, CSS, JavaScript. Version Control: Proficiency in Git. GitHub Testing Tools: pytest, unittest. API Development: Building and integrating RESTful APIs. Containerization and Cloud Platforms: Experience with Docker, Kubernetes, AWS, Google Cloud. Beneficial Bachelors degree or Associates with experience in the field. Responsibilities Mentoring junior More ❯
least 2 years experience of coding in a front-end capacity (preferably React) Container-related tools e.g., Docker, Docker Compose Databases e.g., SQL, PostgreSQL. RESTful API development and management. Proactive Performance Tuning. Solid understanding of design patterns and relevant implementation models. Solid understanding of DevOps tooling, GitLab, CI/CD More ❯
least 2 years’ experience of coding in a front-end capacity (preferably React) Container-related tools – e.g., Docker, Docker Compose Databases – e.g., SQL, PostgreSQL. RESTful API development and management. Proactive Performance Tuning. Solid understanding of design patterns and relevant implementation models. Solid understanding of DevOps tooling, GitLab, CI/CD More ❯
with an IT/tech based degree with a minimum 2:1 grade Strong expertise in Node.js, Express.js, and JavaScript/TypeScript. Experience with RESTful APIs, GraphQL, and WebSockets. Proficiency in database management (SQL & NoSQL - eg, PostgreSQL, MongoDB). Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation (Docker More ❯
Service . Experience with front-end frameworks: React, Angular, or Vue.js . Solid understanding of SQL Server and Azure Cosmos DB . Knowledge of RESTful and OData API development. Leadership experience: mentoring, code reviews, and team collaboration. Familiarity with CI/CD pipelines and application packaging/deployment (Docker, Azure More ❯
Service . Experience with front-end frameworks: React, Angular, or Vue.js . Solid understanding of SQL Server and Azure Cosmos DB . Knowledge of RESTful and OData API development. Leadership experience: mentoring, code reviews, and team collaboration. Familiarity with CI/CD pipelines and application packaging/deployment (Docker, Azure More ❯
in JavaScript frameworks like React, Vue.js, or Angular, with proficiency in HTML, CSS, and responsive design principles. Strong experience with Node.js, Express.js, and building RESTful APIs or microservices. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. CI/CD & DevOps: Experience with integrating automated tests into More ❯
frameworks (React, Next.js, TypeScript) or similar technologies Architect and build secure, scalable applications while iterating quickly in an agile startup environment Design and maintain RESTful APIs and third-party service integrations Collaborate with product, design, and business teams to understand user needs and develop high-impact features Maintain code quality More ❯
london, south east england, united kingdom Hybrid / WFH Options
Decant Group
frameworks (React, Next.js, TypeScript) or similar technologies Architect and build secure, scalable applications while iterating quickly in an agile startup environment Design and maintain RESTful APIs and third-party service integrations Collaborate with product, design, and business teams to understand user needs and develop high-impact features Maintain code quality More ❯
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯
across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices More ❯