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Senior API Software Engineer

Job in Phoenix, Maricopa County, Arizona, 85003, USA
Listing for: Stelvio Inc.
Full Time, Seasonal/Temporary position
Listed on 2025-12-21
Job specializations:
  • Software Development
    Senior Developer, Cloud Engineer - Software, Software Engineer
Job Description & How to Apply Below

Senior API Software Engineer

Hybrid - 2-3 days on site

Phoenix, AZ

We’re looking for a Senior API Software Engineer to help design and build the scalable, cloud-native services that power critical transportation technology used nationwide. In this role, you’ll architect distributed systems, lead technical initiatives, and mentor developers while collaborating closely with product, architecture, and Dev Ops teams.

What You’ll Do
  • Design and develop .NET 8–based APIs and event-driven services
  • Build distributed, cloud-native systems using Azure Functions, Service Bus, Event Grid, and other PaaS tools
  • Implement RESTful APIs and asynchronous communication patterns
  • Lead CI/CD pipeline design and deployment automation
  • Apply SOLID principles, DDD, and clean architecture
  • Conduct code reviews, guide engineering best practices, and mentor junior developers
  • Work cross-functionally in an Agile, fast-paced environment
What You Bring
  • 6+ years of .NET (C#) development experience
  • Strong background in SOA, microservices, and distributed systems
  • Extensive experience with Azure PaaS services
  • Proficiency with SQL Server and Cosmos DB
  • CI/CD experience (Git Hub Actions or Azure Dev Ops)
  • Strong understanding of REST, asynchronous messaging, and clean architecture

Bonus: IaC (Terraform/Bicep), Kubernetes/AKS, CQRS/DDD, NService

Bus/Rabbit

MQ, Azure certifications, observability tools.

Who You Are

A strategic, proactive engineer who thrives in complex systems, enjoys mentoring others, communicates clearly, and takes ownership from design through delivery.

Benefits
  • Medical, dental, and vision coverage starting day one
  • PTO, holidays, and floating holidays
  • 401(k) with employer match
  • Company-funded lifestyle account
  • Voluntary benefits & Employee Assistance Program
  • Well-being programs, culture initiatives, and community involvement

Seniority Level: Mid-Senior level

Employment Type: Full-time

Job Function: Information Technology>p>

Industries: Technology, Information and Media

Referrals

Referrals increase your chances of interviewing at Stelvio Inc. by 2x.

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Position Requirements
10+ Years work experience
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