Software Developer (Azure/.Net)
Summary
Location: Crawley
Day Rate: Negotiable
Duration: 3 months initially (16 weeks)
Availability: ASAP
About the Role
As a Software Developer within Mastercard's Digital Development & Delivery team, you will contribute to the development, maintenance, and support of backend services and APIs that underpin Virgin Atlantic’s customer experience platforms.
You will be responsible for building secure, scalable, and cloud-native microservices, hosted in Microsoft Azure and integrating with both internal and third-party systems.
Collaborating closely with technical leads, platform engineers, QA, and product teams, you will follow best practices in software design, observability, security, and DevOps principles. You will also contribute to L3 support activities, ensuring the stability and reliability of production systems.
Key Responsibilities:
Backend Service Development
* Design, build, and maintain secure and performant .Net-based microservices.
* Implement RESTful APIs and GraphQL integrations for internal and external consumption.
* Ensure services are cloud-native, scalable, and resilient in Azure.
Collaboration and Agile Delivery
* Work closely with Technical Leads, QA Engineers, and Product Owners to deliver sprint goals.
* Contribute to estimation, technical design discussions, and documentation.
* Participate in DevOps practices including CI/CD automation and deployment activities.
Operational Support and Continuous Improvement
* Support production systems through L3 incident triage and root cause analysis.
* Proactively monitor service health using observability tools.
* Identify opportunities for refactoring, performance improvements, and technical debt reduction.
Security, Compliance, and Observability
* Develop secure APIs and backend services adhering to best practices.
* Embed monitoring, logging, and tracing into all developed services.
* Ensure all solutions meet security and compliance standards.
Required Skills & Experience:
* Bachelor's degree in Computer Science, Software Engineering, or relevant experience.
* 2+ years of professional backend development experience.
* Strong proficiency in .Net CORE.
* Hands-on experience with Azure cloud services (Azure Functions, API Gateway, Cosmos DB, Application Insights etc.).
* Experience developing RESTful APIs and exposure to GraphQL services.
* Knowledge of microservices architecture and event-driven patterns.
* Familiarity with CI/CD pipelines (e.g., Azure DevOps, GitHub Actions,).
* Knowledge of unit testing, integration testing, and automation testing.
* Awareness of security best practices, OAuth2/JWT authentication.
* Awareness of AI assisted development, Codex, GitHub CoPilot