1 to 25 of 106 Permanent REST Jobs in South Wales

methodologies. Experienced working with SPML, JavaScript, XML and JSON, Spring or Spring Boot, Hibernate, and web services architecture, such as SOAP and/or REST, HTML5, CSS. Experience working with relational database and SQL commands. Proven experience in exploring new technologies to develop and deliver innovative solutions. Good conceptual, analytical More ❯

methodologies. Experienced working with SPML, JavaScript, XML and JSON, Spring or Spring Boot, Hibernate, and web services architecture, such as SOAP and/or REST, HTML5, CSS. Experience working with relational database and SQL commands. Proven experience in exploring new technologies to develop and deliver innovative solutions. Good conceptual, analytical More ❯

need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge of relational databases (e.g., PostgreSQL, MySQL) Familiarity with cloud platforms (AWS, GCP, or Azure) Experience with CI/CD More ❯

need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge of relational databases (e.g., PostgreSQL, MySQL) Familiarity with cloud platforms (AWS, GCP, or Azure) Experience with CI/CD More ❯

Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban 🌳 Key Responsibilities 🌳 Full-Stack Development : Design, develop, and maintain complex full-stack applications across More ❯

Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban 🌳 Key Responsibilities 🌳 Full-Stack Development : Design, develop, and maintain complex full-stack applications across More ❯

in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication protocols (HTTP, TCP/IP, UDP, SMTP, DNS). Capable of applying best coding practices More ❯

in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication protocols (HTTP, TCP/IP, UDP, SMTP, DNS). Capable of applying best coding practices More ❯

a Full Stack Developer Strong experience with: Node.js , TypeScript , NestJS React.js and modern frontend frameworks AWS services : Lambda, API Gateway, DynamoDB, Cognito GraphQL or REST API design Hands-on experience with Serverless Framework for deployment and infrastructure Familiarity with Agile methodologies , Git , and CI/CD workflows (e.g., GitHub Actions More ❯

a Full Stack Developer Strong experience with: Node.js , TypeScript , NestJS React.js and modern frontend frameworks AWS services : Lambda, API Gateway, DynamoDB, Cognito GraphQL or REST API design Hands-on experience with Serverless Framework for deployment and infrastructure Familiarity with Agile methodologies , Git , and CI/CD workflows (e.g., GitHub Actions More ❯

Energy (Gas & Power) or commodities, and direct interaction with Traders is key. Required: Strong C#, .NET 7/8, Microservices, XML/JSON/REST APIs, Webservices, Design Patterns, SQL Server, Azure (DevOps, Pipelines, Functions, Security), Git/GitHub, Docker/Kubernetes, CI/CD. Advantage: Trayport API knowledge, Energy More ❯

Energy (Gas & Power) or commodities, and direct interaction with Traders is key. Required: Strong C#, .NET 7/8, Microservices, XML/JSON/REST APIs, Webservices, Design Patterns, SQL Server, Azure (DevOps, Pipelines, Functions, Security), Git/GitHub, Docker/Kubernetes, CI/CD. Advantage: Trayport API knowledge, Energy More ❯

scaling robust test practices across complex systems. Tech Stack & Experience: Automation Tools: Selenium, Appium, Cucumber, TestNG, JUnit Languages: Java (primary), Python, JavaScript API Testing: REST Assured, SOAP, Web APIs DevOps & CI/CD: Jenkins, Azure DevOps, Git, Maven Testing Approaches: BDD, continuous testing, performance testing (e.g., JMeter) Cloud: Exposure to More ❯

scaling robust test practices across complex systems. Tech Stack & Experience: Automation Tools: Selenium, Appium, Cucumber, TestNG, JUnit Languages: Java (primary), Python, JavaScript API Testing: REST Assured, SOAP, Web APIs DevOps & CI/CD: Jenkins, Azure DevOps, Git, Maven Testing Approaches: BDD, continuous testing, performance testing (e.g., JMeter) Cloud: Exposure to More ❯

support their development. Required Skills & Experience: Expert-level Java experience (Java 17+ preferred), including multithreading, concurrency, and performance tuning. Strong background with Spring Boot, REST APIs, and Microservices architecture. Proven experience designing and building scalable, high-performance software systems. Solid understanding of relational databases (e.g., PostgreSQL, MySQL). Familiarity with More ❯

in a weekly rotation for production monitoring during normal working hours Our Stack .NET Core (C#), PostgreSQL (AWS RDS) AWS (S3, RDS, OpenSearch) GraphQL & REST APIs GitLab CI/CD, Jira, Confluence DataDog for monitoring and alerting React (maintained separately by front-end developers) What We're Looking For Commercial More ❯

in a weekly rotation for production monitoring during normal working hours Our Stack .NET Core (C#), PostgreSQL (AWS RDS) AWS (S3, RDS, OpenSearch) GraphQL & REST APIs GitLab CI/CD, Jira, Confluence DataDog for monitoring and alerting React (maintained separately by front-end developers) What We're Looking For Commercial More ❯

Kubernetes AWS - Lambda, EC2, S3, RDS, DynamoDB) Demonstratable knowledge of DevOps culture, processes, technical practices and tools (IaC - Terraform) Experience with React and TypeScript REST Web services Experience of working in a Agile environment This role is on a remote basis with no requirement to be in the office. Salary More ❯

Kubernetes AWS - Lambda, EC2, S3, RDS, DynamoDB) Demonstratable knowledge of DevOps culture, processes, technical practices and tools (IaC - Terraform) Experience with React and TypeScript REST Web services Experience of working in a Agile environment This role is on a remote basis with no requirement to be in the office. Salary More ❯

and Field Service modules Expertise in C#, .NET, ASP.NET in modern environments (preferably .NET 6) What will set you apart: Experience with CRM SDK, REST/ODATA, SOAP , and Agile development in a Scrum environment Familiarity with Power Platform , AWS or Azure , and CICD pipeline processes Typescript experience is a More ❯

and Field Service modules Expertise in C#, .NET, ASP.NET in modern environments (preferably .NET 6) What will set you apart: Experience with CRM SDK, REST/ODATA, SOAP , and Agile development in a Scrum environment Familiarity with Power Platform , AWS or Azure , and CICD pipeline processes Typescript experience is a More ❯

Service (LDS), and complex form handling. Proficiency in Apex, SOQL, and JavaScript. Familiarity with external integrations using connected apps, Apex callouts, outbound messaging, and REST/SOAP APIs. Agile Experience: Comfortable working in an Agile environment, with experience using tools like JIRA or Linear. Problem-Solving Ability: Strategic thinker with More ❯

Service (LDS), and complex form handling. Proficiency in Apex, SOQL, and JavaScript. Familiarity with external integrations using connected apps, Apex callouts, outbound messaging, and REST/SOAP APIs. Agile Experience: Comfortable working in an Agile environment, with experience using tools like JIRA or Linear. Problem-Solving Ability: Strategic thinker with More ❯

enhancements to existing systems. The current technology stack includes Angular on the frontend and .NET/.NET Core (C#) on the backend, supported by REST APIs. Infrastructure is hybrid but undergoing migration to Azure. Tooling includes Git and Octopus Deploy. Agile delivery processes are in place, and DevOps practices are More ❯

. Proficiency with Postgr eS QL, R edis, and message queue systems (e.g., RabbitMQ, Kafka). Deep understanding of API design and best practices (REST, gRPC). Experience with CI/CD pipelines, monitoring tools (e.g., Prometheus, Grafana), and logging systems (e.g., ELK stack).Strong problem-solving, organizational, and communication More ❯