Job Description Insight Global is looking for a Senior C# / Full‑Stack Developer to support a major financial client on a high‑impact application modernization initiative. This role is ideal for a seasoned engineer with 10+ years of hands‑on development experience and a proven ability to build microservices from scratch. What you’ll do: • Design and develop C#‑based microservices end‑to‑end • Contribute across the full stack (UI → application → backend) • Work with SQL Server, APIs, and application‑layer components • Support and troubleshoot backend services in a production environment • Collaborate with senior developers and architects in an agile delivery model 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/. Skills and Requirements • Advanced C# mastery (real‑world experience, not just theoretical) • Strong SQL Server + SQL skills • Experience building and deploying microservices independently • Broad background across small, medium, and large companies Strong communication and interpersonal skills Minimum of 10 years experience - WebAPI - Databricks - Python/PySpark