> Markdown version of [/jobs/ext/568906-winforms-developer](https://www.wearedevelopers.com/jobs/ext/568906-winforms-developer). 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). --- # Winforms Developer - **Company:** Insight Global - **Location:** Chantilly, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Business Logic, Software Applications, C Sharp (Programming Language), Client/Server Application Language (C/AL), Code Review, Databases, Database Design, Microsoft SQL Server, Performance Tuning, SQL Stored Procedures, Windows Desktop, Windows Forms, Enterprise Software Applications, Data Analytics, Legacy Systems - **Published:** June 14, 2026 - **Apply:** https://dejobs.org/x/x/21E6670E27FE48ED9E5A5339B6C7E3D1/job/ ## About the Role 3-5 years professional experience with C# in production systems -Solid experience building and maintaining WinForms desktop applications -Strong experience with Microsoft SQL Server, including: -Writing and optimizing complex queries and stored procedures -Database design and performance tuning Fintech background ## Description We are seeking a Software Engineer to design, build, and maintain data-intensive, client/server enterprise applications in a complex, data-driven environment. This role is centered on C#, WinForms desktop applications, and Microsoft SQL Server systems that power core business workflows. Success in this role requires strong problem-solving skills, the ability to work within established architectures, and ownership of delivering reliable, performant solutions in real-world production environments. What You'll Do * Design, develop, and maintain core application logic using C# * Build and support Windows desktop applications using WinForms * Develop and optimize SQL Server database objects including stored procedures, queries, and schema design * Troubleshoot and resolve complex production issues across database, application, and UI layers * Work within and improve complex legacy systems while maintaining production stability * Contribute to ongoing enhancements and modernization of existing client/server applications * Collaborate with QA, Product, and cross-functional teams to deliver high-quality releases * Participate in code reviews and contribute to improving development standards and practices * Support testing efforts and improve deployment and release processes We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. ## Related Videos - [Useful AI friends for developers – building a multilingual app](https://www.wearedevelopers.com/videos/622-useful-ai-friends-for-developers-building-a-multilingual-app) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [WinForms Meets WPF: The Hybrid Path to Modern Desktop Applications](https://www.wearedevelopers.com/videos/2040-winforms-meets-wpf-the-hybrid-path-to-modern-desktop-applications) - [Making Documentation AI-Ready: Preparing Your Docs for the LLM Era](https://www.wearedevelopers.com/videos/100199-making-documentation-ai-ready-preparing-your-docs-for-the-llm-era) - [Build a CI/CD pipeline to automate code reviews and ensure code quality](https://www.wearedevelopers.com/videos/349-build-a-ci-cd-pipeline-to-automate-code-reviews-and-ensure-code-quality) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)