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Sourceability is building a new Global Engineering Organization (GEO) to strengthen internal software delivery, improve production ownership, and build long-term engineering capability inside the company.

We are looking for a Senior Full Stack .NET Engineer to help design, build, maintain, and improve business-critical internal software platforms. This role will work across backend services, frontend applications, APIs, integrations, databases, testing, and production support.

This is a hands-on engineering role working hybrid from our Austin, TX office. The engineer will work closely with Product / Delivery Managers, Product Group Team Leads / Architects, QA, DevOps, DBA, Infrastructure, and business stakeholders to deliver reliable software changes and support production systems.

The right candidate should be comfortable working with both new development and existing systems, including legacy code, complex business workflows, production defects, integrations, and technical debt.

Insight on Your Impact:

In this role, you will:

• Design, develop, test, and maintain full-stack applications using .NET / C# on the backend and modern web technologies on the frontend.
• Build and maintain APIs, services, integrations, user interfaces, background jobs, and data-driven application features.
• Work with SQL Server-backed systems, including data access, query performance, stored procedures where applicable, and production data behavior.
• Translate engineering-ready backlog items and acceptance criteria into practical, maintainable technical solutions.
• Partner with Product / Delivery Managers to clarify requirements, edge cases, user workflows, and release expectations.
• Partner with Product Group Team Leads / Architects on technical design, implementation approach, estimates, dependencies, and risks.
• Write clean, maintainable, testable, and well-documented code that follows GEO engineering standards.
• Participate in code reviews and provide practical feedback to improve quality, maintainability, security, and performance.
• Write and maintain automated tests where practical, including unit, integration, API, and UI tests depending on the system.
• Support QA and Product / Delivery teams during defect triage, regression testing, UAT support, release readiness, and post-release validation.
• Investigate and resolve production defects, performance issues, integration failures, and other business-impacting application problems.
• Contribute to root cause analysis and corrective actions after production incidents or recurring defects.
• Identify technical debt, maintainability risks, and areas where refactoring or modernization can reduce production risk.
• Document important technical decisions, implementation notes, support procedures, and system behavior for future maintenance.
• Mentor mid-level and junior engineers through code reviews, technical guidance, and practical engineering examples.

Your Qualifications, Your Influence:

To be successful in this role, you should have:

• 5+ years of professional software development experience with strong hands-on experience in .NET / C# and ASP.NET Core or similar Microsoft-based backend technologies.
• Strong frontend development experience using Angular; experience with other modern JavaScript / TypeScript frameworks (e.g., React, Vue.js) is a plus.
• Strong understanding of HTML, CSS, JavaScript / TypeScript, browser behavior, API integration, and frontend application structure.
• Experience designing, building, and maintaining RESTful APIs and integrations with internal and external systems.
• Strong experience with relational databases, especially SQL Server; PostgreSQL, MySQL, or other relational databases are also helpful.
• Solid understanding of software design patterns, SOLID principles, object-oriented programming, testability, maintainability, and secure coding practices.
• Experience working with existing enterprise applications, production systems, legacy code, or complex business workflows.
• Experience using Git-based workflows, CI/CD pipelines, and standard software development lifecycle practices.
• Practical experience with Azure DevOps, Jira, or similar systems for work tracking, backlog execution, code collaboration, and delivery visibility.
• Ability to troubleshoot complex application issues across frontend, backend, APIs, databases, integrations, and environments.
• Ability to work independently in a distributed team while communicating clearly about progress, blockers, risks, and tradeoffs.
• Strong ownership mindset and willingness to support production systems, not only write new code.

Preferred Skills and Technical Familiarity:

The following experience will be helpful in this role:

• Experience with SourceCore-like enterprise platforms, ERP-adjacent systems, warehouse systems, sales / purchasing workflows, finance workflows, or B2B transaction platforms.
• Experience with Azure cloud services, AWS, GCP, or hybrid cloud / on-prem environments.
• Experience with Docker, Kubernetes, or containerized deployment models.
• Experience with message queues, event-driven systems, background processing, scheduled jobs, or integration middleware.
• Experience with automated testing frameworks such as xUnit, NUnit, Playwright, Selenium, Cypress, or similar tools.
• Familiarity with observability concepts such as logging, metrics, tracing, monitoring, alerting, and production diagnostics.
• Experience improving legacy systems through safe refactoring, modernization, performance tuning, and technical debt reduction.
• Experience in electronic components, technology distribution, supply chain, logistics, manufacturing, e-commerce, or similar B2B environments.
• Interest in AI-assisted development tools and practical ways to improve engineering productivity and quality.

Success in the First 90 Days:

Within the first 90 days, the Senior Full Stack .NET Engineer should be able to:

• Understand the assigned product group, key business workflows, architecture, codebase, integrations, databases, and production risks.
• Become productive in the active engineering backlog and deliver meaningful software changes with appropriate quality.
• Build working relationships with Product / Delivery Managers, Team Leads / Architects, QA, DevOps, DBA, Infrastructure, and other engineering team members.
• Participate effectively in code reviews, technical discussions, defect triage, release readiness, and production issue investigation.
• Identify practical improvements in code quality, maintainability, test coverage, performance, or production support.
• Demonstrate strong ownership by communicating progress, blockers, risks, and dependencies clearly.
• Contribute to at least one meaningful feature, stabilization effort, defect fix, integration improvement, or technical debt reduction activity.

What This Role Does Not Own:

This role does not own formal people management for other engineers. Engineering Managers remain responsible for hiring, performance management, compensation input, team structure, and capacity planning.

This role does not own business prioritization or user acceptance. Product / Delivery Managers and business stakeholders remain responsible for intake, priority alignment, backlog readiness, UAT coordination, and business acceptance.

This role does not independently make architecture decisions for the product group. Technical direction will be aligned with Product Group Team Leads / Architects, Engineering Managers, and GEO leadership.

This role does not independently commit delivery dates without alignment with Product / Delivery Managers and engineering leadership.

Benefits:

• Competitive salary
• Ongoing training and professional development opportunities
• Collaborative global work environment
• PTO