Senior Software Engineer (.NET, Architecture focus)

We’re seeking a Senior Software Engineer to help design, build, and deliver mission‑critical solutions across our enterprise application stack using Azure tooling. You’ll own features end‑to‑end—from architecture and design through implementation, testing, deployment, and operations—partnering with product, security, and DevOps to ship high‑quality software.

Location:  LATAM 100% Remote. Working hours are based on the US Central-Pacific Time Zone, with at least 6 working hours of overlap.

About Us:

Abstra is a fast-growing, Nearshore Tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. Founded by U.S.-bred engineers with over 15 years of experience, Abstra specializes in sourcing skilled professionals across a wide range of technologies to meet our clients’ needs, driving innovation and efficiency.

Key Responsibilities

• Lead solution architecture and technical design for cloud‑native applications on Microsoft Azure (e.g., App Services, Functions, Event Grid, Service Bus, Cosmos DB, SQL).
• Develop high‑quality, testable software primarily in .NET (C#) and related Azure technologies; mentor teammates on coding standards and design patterns.
• Own services from concept to production: requirements refinement, API/interface design, implementation, automated testing, CI/CD pipelines, observability, performance tuning, and cost optimization.
• Collaborate with security and platform teams to implement authentication/authorization (Azure AD/Entra ID), secrets management, compliance, and secure SDLC practices.
• Drive engineering excellence: code reviews, documentation, threat modeling, and design reviews; promote reusable components and platform capabilities.
• Partner with product managers and stakeholders to translate business needs into technical solutions; estimate, plan, and deliver iteratively.
• Troubleshoot complex production issues, perform root‑cause analysis, and implement resilient designs leveraging Azure reliability patterns.

Required Qualifications

• 10+ years of professional software engineering experience, including ownership of production systems and services.
• Expertise in .NET/C# (or languages commonly used on Azure such as Node.js/TypeScript, Python, or Java) and modern application architectures (REST/gRPC, microservices, event‑driven).
• Hands‑on experience with Azure services (compute, storage, networking) and infrastructure‑as‑code (ARM/Bicep or Terraform).
• Strong grasp of relational and NoSQL data stores (Azure SQL, Cosmos DB) and data modeling; performance and scalability best practices.
• Proficiency with CI/CD (Azure DevOps or GitHub Actions) and automated testing.
• Solid understanding of identity and security (OAuth/OIDC, Entra ID/Azure AD), secret management (Key Vault), and secure coding standards.
• Excellent communication skills and the ability to lead design discussions, code reviews, and cross‑functional collaboration.

Preferred Qualifications

• Experience with Microsoft Dynamics 365 (Dataverse, CE/Finance & Operations) and extending solutions via SDKs, plugins, or integration patterns. Not necessary, but good to have.
• Hands‑on development with Microsoft Power Platform (Power Apps, Power Automate, Power Pages) and ALM best practices.
• Experience building secure APIs and integrations with Microsoft Graph and other Microsoft services.

Core Competencies

• Architectural thinking and pragmatic decision‑making
• Quality‑first engineering (testing, observability, automation)
• Ownership mindset and accountability
• Effective communication and stakeholder partnering
• Mentorship and technical leadership

What We Offer:

• Flexible working hours and remote work options.
• Opportunities for professional growth and development.
• A collaborative and inclusive work environment.
• The chance to work on impactful projects with a talented team.
• Excellent compensation in USD.
• Hardware and software setup (mandatory).