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# API/Integration Developer

- **Company:** Advanced Resource Managers
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Application Services, Cloud Computing, Continuous Integration, DevOps, Software Engineering, Systems Integration, SC Clearance, Information Technology, Cloud Integration
- **Published:** August 13, 2026
- **Apply:** https://www.arm.co.uk/job-application/?job_id=130509_1786618304

## About the Role

The ideal candidate will have strong experience across Azure and C#/.NET, alongside a proven background in developing and supporting complex integration solutions. Candidates with strong integration experience using Python or other comparable programming languages will also be considered., * Active SC Clearance.

 * Strong commercial experience in bespoke systems integration.
 * Proven experience integrating systems with third-party applications/services.
 * Strong Microsoft Azure experience.
 * Strong development experience with C# / .NET or a comparable programming language.
 * Experience working with APIs and web services.
 * Good understanding of integration patterns and software development principles.
 * Strong problem-solving and troubleshooting skills.
 * Ability to work effectively within a collaborative Agile environment.

Desirable

 * Experience with Python.
 * REST / SOAP APIs.
 * Microservices and cloud-native development.
 * Azure integration services.
 * CI/CD and DevOps practices.
 * Experience integrating legacy and modern systems.
 * Experience working within large, complex or highly regulated organisations.

## Description

We are currently looking for a Senior API/Integration Developer to join a major public sector technology programme on an initial 7-month contract., * Design and develop bespoke integration solutions between multiple systems and platforms.

 * Develop and maintain integrations with third-party applications and services.
 * Build and support cloud-based solutions using Microsoft Azure.
 * Develop integration components and applications using C#/.NET or another suitable programming language.
 * Work with APIs, web services and other integration technologies.
 * Troubleshoot and resolve complex integration and application issues.
 * Work closely with developers, architects, technical teams and stakeholders to deliver integration solutions.
 * Contribute to technical design, documentation and development standards.
 * Support testing, deployment and ongoing maintenance of integration services.
 * Ensure solutions are secure, scalable, reliable and maintainable.


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