.net/C# Developer - Senior
Location: Austin, Texas (Onsite) Alternate Location: Southlake, TX
About the role
As a .NET Developer with AI experience, you will contribute to AI-assisted workflows across the System Development Life Cycle. You will work with .NET engineering, event-driven architecture, cloud-native platforms, and Generative AI-assisted delivery to build reliable business solutions within a complex financial domain.
Responsibilities
- Contribute to the design and implementation of scalable, resilient, and event-driven applications using .NET, Kafka, and cloud-native architecture patterns.
- Build and modernize high-volume services, APIs, and distributed application capabilities that support reliable transaction processing and business-critical workflows.
- Partner with architects, product owners, developers, and adjacent technology teams to convert business capabilities into high-quality technical solutions.
- Use GenAI coding assistants to accelerate implementation, refactoring, unit testing, regression support, code reviews, scripting, automation, troubleshooting, and documentation.
- Use agentic workflows, prompt engineering, custom instructions, and spec-driven development practices to improve productivity.
- Strengthen engineering quality through automated testing, code reviews, performance analysis, observability, and resiliency practices.
- Support modernization initiatives by moving legacy capabilities toward distributed .NET services, cloud-native platforms, and modern data stores.
- Collaborate with engineers in a team-oriented environment and help adopt repeatable, responsible AI-assisted development practices.
Requirements
Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
Experience:
- 5+ years of professional software engineering experience developing scalable .NET, cloud-based, or web services applications in high-volume environments.
- 4+ years of experience building and deploying cloud-native applications using GCP, Docker, Kubernetes, microservices, and CI/CD practices.
- 2+ years of experience working with databases such as MongoDB, Aerospike, PostgreSQL, or comparable relational and NoSQL platforms.
- 1+ years of hands-on experience with AI/ML implementation, production deployment, or AI-assisted engineering practices.
- Experience owning technical components or features and collaborating within a software delivery team.
- Experience contributing to IT transformation or system modernization initiatives.
Skills
- Hands-on experience with .NET and Kafka, with knowledge of distributed systems, stream processing, and performance optimization.
- Working experience with IBM MQ, Splunk, JSON/XML, caching, performance analysis, and Twelve-Factor App methodology.
- Experience with cloud platforms such as PCF, AWS, or GCP.
- Hands-on experience or practical exposure to Large Language Models such as GPT, Claude, Gemini, or PaLM.
- Experience using GenAI coding assistants (e.g., GitHub Copilot, Claude Code) across the SDLC.
- Working knowledge of agentic workflows, spec-driven development, custom instructions, and prompt engineering.
- Knowledge of Agile methodology and experience with tools like Jira and Confluence.
Qualifications
Other Qualifications: Understanding of broker-dealer domain capabilities and operations is required; experience in the financial services industry is preferred. Effective communication and collaboration skills. A collaborative mindset and a bias for action to drive outcomes.
Preferred Qualifications
- Master’s degree in Information Technology, Computer Science, Software Engineering, Artificial Intelligence, or a related field, or equivalent practical experience.
- Experience in Test-Driven Development (TDD), Behavior-Driven Development (BDD), and QA automation.
- Proficiency in