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# Backend/API Engineer - Telecoms & Cloud

- **Company:** Northern Ireland
- **Location:** Cookstown, UK (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, User Authentication, Automation of Tests, Microsoft Azure, VoIP, Business Systems, C Sharp (Programming Language), Software as a Service, Cloud Computing, Continuous Integration, Relational Databases, Software Debugging, Distributed Systems, Electronic Data Interchange (EDI), Monitoring of Systems, Hypertext Transfer Protocols (HTTP), Interoperability, JSON, Session Initiation Protocols, Python (Programming Language), Enterprise Messaging Systems, Node.Js, OAuth, Systems Development Life Cycle, Standard Sql, Systems Integration, Management of Software Versions, Software Organization, Backend, Git, Event Driven Architecture, Kubernetes, Deployment Automation, Integration Frameworks, Api Design, Api Gateway, Restful APIs, Api Management, Docker, Microservices
- **Published:** September 21, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/backendapi-engineer-telecoms-cloud/47721664

## About the Role

APIs and business systems. Strong knowledge of SQL and relational databases. Experience with Git and modern software development practices. Understanding of CI/CD and automated deployment processes. Experience writing automated tests and supporting production applications. Strong debugging, troubleshooting and problem-solving skills. Good understanding of API authentication and security, ideally including OAuth2 and/or JWT. Experience working with cloud platforms such as AWS or Azure. Understanding of microservices and distributed systems. Experience with Docker and/or Kubernetes would be advantageous. Experience with API gateways or integration platforms would be beneficial. Strong communication skills with the ability to translate business requirements into technical solutions. Ability to work independently while collaborating effectively with wider technical and business teams. Experience working within Agile/Scrum development environments. Desirable Experience within telecommunications,
VoIP, SaaS or technology platforms. Experience working with CRM or ERP integrations. Exposure to telecoms APIs, SIP, VoIP or communications platforms. Experience with IoT platforms or connected devices. Familiarity with event-driven architecture and messaging technologies. Experience with monitoring and observability tools. Knowledge of API management, versioning and documentation. Experience working with third-party technology providers. Successful applicants may be required to satisfactorily complete pre-employment checks (such as references, criminal record checks, right to work checks) in line with the client or VANRATH's policy. #J-18808-Ljbffr

## Description

APIs and backend services that enable Clarity's internal platforms, customer systems and third-party applications to communicate effectively. You will work closely with technical teams and wider business stakeholders to understand integration requirements, design scalable solutions and deliver reliable data exchange between internal systems and external services. You will be involved across the full development lifecycle, including API design, development, testing, deployment, monitoring and ongoing support. You will also have the opportunity to contribute to the evolution of the wider technology estate, improving automation, system interoperability and operational efficiency. The Person Experience developing RESTful APIs and backend applications in a commercial environment. Strong understanding of REST, HTTP, JSON and API design principles. Experience with one or more backend development languages such as C#, Java, Python, Node.js or PHP. Experience developing and integrating third-party


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