Senior .NET, Azure developer (100% remote within Spain)

We are looking for a Senior .NET, Azure developer, to join our Policy as Code Team, helping to build and evolve a next-generation platform that automates compliance, governance, and release controls across a large enterprise technology landscape.

You’ll work at the intersection of Software Engineering, DevOps, Cloud, Security, and Compliance, building services that connect engineering platforms such as GitHub Enterprise Cloud and Azure DevOps to policy evaluation and control systems.

This is an exciting opportunity for engineers who enjoy solving complex integration challenges, working with APIs and webhooks, and building highly reliable solutions that operate within regulated environments.

Main Tasks And Accountabilities Will Be

As part of a small, highly skilled engineering team, you will design, develop, and operate the services that:

• Capture evidence from software delivery pipelines.
• Evaluate software changes against codified compliance policies.
• Automate release and deployment approvals.
• Deliver reliable allow/deny decisions in real time.
• Generate complete audit trails for governance and regulatory purposes.
• Integrate with our Continuous Compliance Framework (CCF).

You’ll be working in an event-driven, API-first environment that relies heavily on webhooks, REST integrations, cloud-native services, and automation.

Integration Engineering (Primary Focus)

• Design, build, and maintain REST APIs, webhook receivers, and API clients.
• Integrate GitHub Enterprise Cloud and Azure DevOps with policy evaluation and evidence management systems.
• Define and own API contracts, including:
• Authentication and authorization flows
• Payload validation and enrichment
• Retry and resiliency patterns
• Idempotency and timeout handling
• Failure management and observability

Policy as Code & Release Governance

• Develop services that collect and process compliance evidence.
• Build solutions that evaluate compliance policies and automate deployment decisions.
• Contribute to the implementation of policy-driven release governance.

Software Development

• Build clean, scalable, testable, and maintainable services.
• Apply modern engineering practices including:
• Test Driven Development (TDD)
• Pull Request workflows
• Automated testing
• Event-driven architectures
• Serverless development
• Documentation-first engineering

Security, Risk & Compliance

• Design systems with security, auditability, compliance, and operational resilience as core requirements.
• Ensure solutions are transparent, explainable, and defensible during internal and external audits.

10 years of professional experience:

Strong development experience with C# and .NET

Proven Experience Building

Solid hands-on experience with Microsoft Azure (mainly Azure functions)

• REST APIs
• Webhook integrations
• Distributed and event-driven systems
• Cloud-native applications

Strong Knowledge Of

• Modern SDLC practices
• CI/CD pipelines
• DevOps tooling
• Integration engineering

Understanding Of

• Authentication & authorization
• HTTP protocols and API design
• Resiliency and fault tolerance patterns
• Testing and quality engineering practices

English B2+/C1

• Nice to have:

Python development experience

Experience With

• Azure Functions
• Azure API Management
• Azure Key Vault
• Azure Table Storage

Knowledge Of

• Open Policy Agent (OPA)
• Rego
• Continuous Compliance Framework (CCF)
• OSCAL
• Policy-as-Code approaches

Experience within regulated environments such as banking, finance, or insurance, Policy as Code, .NET, CI/CD, Python, REST, Azure DevOps

`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan…)

Free access to several training platforms

Professional stability and career plans

UST also, compensates referrals from which you could benefit when you refer professionals.

The option to pick between 12 or 14 payments along the year.

Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)

UST Club Platform discounts and gym Access discounts

More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies., provider of digital technology and transformation, information technology and services