4 of 4 Permanent RESTful Jobs in Hemel Hempstead

high-volume and high-risk transactions globally. Key Responsibilities Architecture & Development Design scalable microservices architecture for payment routing and orchestration. Develop and maintain secure RESTful APIs for PSP and bank integrations. Implement high-availability systems for transaction processing. Optimize real-time transaction routing logic for maximum approval rates. Payment Integrations ...

applications. This is purely a tech-heavy role—business knowledge is helpful but not required. What You'll Be Doing: Design, develop, and maintain RESTful APIs using .NET technologies (C#, ASP.NET Core). Redesigning and refactoring high-activity tables to improve performance and maintainability Developing frameworks and tooling for real ...

Django or Ruby (with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability ...

navigating inefficient processes. Key Responsibilities Translate merchant and partner needs into high-quality, scalable backend solutions Design and build robust Java-based systems and RESTful APIs Improve development processes through automation, simplification, and applied engineering experience Collaborate to ensure technically sound, observable, and testable deliverables Contribute to estimation, planning … Spring Core (IoC and Dependency Injection) Strong experience with relational databases, schema design, complex queries, and performance optimisation Experience designing and implementing scalable RESTful APIs Hands-on experience building high-availability, high-concurrency systems at scale Strong understanding of Design Patterns, Refactoring, and Object-Oriented Design principles Experience with ...