Sr. Software Engineer / C#.Net / Python/ CICD Tools / Financial / Austin TX

Our client located in Austin Texas is a software and consulting company with long-standing client relationships and an emerging products division. Their primary expertise is in application development, data visualization, Information Technology (IT), and Their clients include large financial firms, utilities and Federal customers.
They are urgently seeking an experienced Senior Software Developer to support, enhance, and modernize critical legacy applications. This role is ideal for someone who enjoys solving complex problems, improving system performance, and bridging legacy systems with modern technologies.
The right candidate will also have exposure to other backend technologies like C#.Net and Python, API, SQL and CI/CD Pipelines
They are one of the top financial trading and asset management companies in the US and offer a wide variety of skills development, big financial industry knowledge and the ability to expand your career and growth within the financial sector. This position would require working onsite 5 days a week in Austin Texas.

This is a 12-18-month CTH opportunity. Candidates MUST be able to work directly on a W2 basis with us without sponsorship and NOT through another organization or C2C.

Required Skills & Experience

• Minimum of 6 years of professional software development experience
• Expertise in .NET (C#) and Python
• Proven experience maintaining and modernizing legacy systems
• Solid understanding of SQL databases, APIs, and system integrations
• Experience with Git and CI/CD pipelines
• Strong analytical, debugging, and problem-solving skills

Desired Skills & Experience

• Experience migrating legacy systems to modern architectures
• Exposure to performance tuning and security hardening

What You Will Be Doing
Tech Breakdown

• 70% C#.Net & Python
• 15% API
• 15% Jira, Git, CI/CD pipelines

Daily Responsibilities

• Maintain and enhance legacy applications built with .NET (C#) and Python
• Troubleshoot and resolve application issues to ensure stability and performance
• Refactor and optimize code for scalability, security, and long-term maintainability
• Integrate legacy systems with modern platforms and APIs
• Collaborate with cross-functional teams including QA, business analysts, and project managers
• Participate in code reviews and document technical changes