> Markdown version of [/jobs/ext/4382184-senior-full-stack-developer-net](https://www.wearedevelopers.com/jobs/ext/4382184-senior-full-stack-developer-net). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer (.NET) - **Company:** AiQualTest LLC - **Location:** United States - **Experience:** Expert - **Salary:** $104,000.0 - $166,400.0 - **Contract:** Temporary contract - **Skills:** Clean Code Principles, ASP.NET, HTML, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Data Analysis, JIRA, Automation of Tests, Software Bug Management, C Sharp (Programming Language), Code Review, Computer Engineering, Data Validation, JSON, JQuery, Python (Programming Language), Microsoft SQL Server, Model View Controller (MVC), Object-Oriented Software Development, Regression Testing, Azure DevOps Pipelines, Selenium, Software Engineering, SQL Stored Procedures, SQL Databases, Test Data, Transact-SQL, Extensible Markup Language (XML), Git, Specflow, Git Flow, Information Technology, Playwright, Api Management - **Published:** October 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=03eaab1a74c38fbf ## About the Role * 10+ years (within last 12 months) as a Software Developer delivering complex web applications using Microsoft .NET / ASP.NET (MVC and/or ASP.NET Core), C# with solid OOP, and UI with jQuery, JavaScript, HTML, XML/JSON - including unit/SIT test utilities you built or owned. * 10+ years (within last 12 months) with Microsoft SQL Server: interpreting complex data models, advanced T-SQL (joins, grouping, windowing), stored procedures, views, and practical performance awareness. * 7+ years implementing automated testing in large organizations: converting manual cases, shared step libraries, tooling for reuse, evangelizing regression automation; languages such as C#, Java, Python, or Shell as part of automation. * 7+ years building/maintaining test harnesses, environments, test data, and cases across system, functional, performance, and regression testing. * 7+ years authoring test requirements, platform/test architecture notes, test plans/strategies, and specs. * 5+ years data validation/reporting with SQL; 7+ years defect tracking (JIRA or enterprise ALM). * 7+ years translating business/functional/technical requirements into testable requirements and cases; analyzing results and tuning data/cases. * 5+ years requirements elicitation, use cases, business rules, and functional/non-functional documentation. * Bachelor's degree (or higher) in Computer Science, Computer Engineering, or related field (diploma available on request). * Committed to hybrid onsite 2-3 days/week at West Sacramento, CA (or as required). Strongly preferred (differentiators) * Pension, retirement, insurance, banking, or large MOTS/COTS financial systems experience * Azure DevOps pipelines, Git branching strategies, code review culture * Selenium / SpecFlow / Playwright + API testing experience * Exposure to multi-tier .NET apps with SQL Server deployment/configuration awareness * Excellent written and verbal communication; comfortable in daily triage and stakeholder reviews ## Description About the Engagement Our public-sector client is building a modern MOTS pension administration platform (Sagitec Neospin / Microsoft .NET). We are sourcing Senior Full Stack Developers who can lead design and development while partnering closely with QA on automation, defect triage, and release readiness., * Design and develop .NET web components for Benefit Connect and related enterprise apps * Contribute Application Design / technical documentation and maintainable code * Build tests/utilities; support automated regression; participate in defect triage and releases * Partner with client's technical leadership; report weekly status and hours