Sr. Full Stack Engineer

Who We Are

Thermon is a global industrial technology leader and the world’s foremost provider of mission-critical heating solutions. From power generation and semiconductors to oil & gas and food processing, our systems keep essential industries running safely, efficiently, and reliably.

We don’t just make heaters—we deliver complete, end-to-end solutions that include design, installation, controls, and monitoring. Our people and products transfer the warmth needed to make life work .

Headquartered in Austin, Texas, and operating in 18 countries, Thermon is built on the values of Care, Commit, and Collaborate . We’re a team of innovators and problem-solvers, united by our mission and driven by a culture of ownership and impact.

Who We Want

We’re looking for a Senior Full-Stack Software Engineer to join our R&D Platforms Team and help build Genesis, our next-generation IIoT controls and monitoring platform. Genesis provides real-time visibility into the performance of industrial heating systems, enabling smarter, safer, and more sustainable operations.

This role is ideal for someone who thrives in the backend—fluent in C#/ASP.NET Core, SQL Server, and system architecture—but who can also move up the stack to shape APIs and contribute to a modern React front-end. You’ll work to deliver scalable, high-performance solutions that power critical infrastructure around the world.

You’ll thrive here if you:

• Want to make a real impact on a small, empowered team.
• Enjoy building a product that solves real-world problems and improves continuously through customer feedback.
• Are energized by the challenge of integrating industrial controls hardware into a modern software platform.
• Love designing elegant systems and modeling complex data.
• Take pride in writing clean, maintainable, and performant code.

What You'll Do

• Contribute to a robust C#/ASP.NET Core codebase with architectural insight and hands-on development.
• Design and evolve scalable, performant system architecture.
• Model relational data in SQL Server , optimizing schema and queries for efficiency.
• Build and maintain RESTful APIs that expose well-structured data models.
• Implement asynchronous messaging patterns (e.g., MQTT , pub/sub) for real-time telemetry and control.
• Drive best practices through code reviews, mentorship, and continuous improvement.
• Collaborate with hardware teams to integrate legacy and modern control protocols.
• Contribute to system documentation (UML, C4) and architectural clarity.
• Develop CI/CD pipelines and automated testing systems.

What You Bring

• 5+ years of professional experience building full-stack web applications.
• Strong expertise in C#/ASP.NET Core , SQL Server , and web technologies, e.g., React .
• Solid understanding of software architecture, best practices and design patterns (MVC, repository/unit-of-work, CQRS, Domain-Driven Design).
• Experience with asynchronous/event-driven architectures (e.g., MQTT).
• Familiarity with DevOps best practices, unit testing, and agile development.
• Bachelor’s degree in Computer Science, Engineering, or related field.

Bonus Points For

• Experience with containerization and orchestration ( Docker , Kubernetes ).
• Familiarity with cloud-native services and serverless patterns ( Azure Functions , AWS Lambda ).
• Experience with front-end testing and C# testing frameworks.
• Knowledge of security best practices (OAuth, LDAP).
• Understanding of industrial control protocols (Modbus, CAN Bus).
• Experience with microservices.
• Experience with DevOps tools (e.g., Jenkins).

Why You’ll Love Working at Thermon

• Team Impact : Small, agile team where your contributions matter.
• Global Reach : Your work will power critical infrastructure around the world.
• Collaborative Culture : Cross-functional teams that value creativity, feedback, and growth.
• Comprehensive Benefits : Competitive salary, health coverage, 401(k) with match, and more.
• Austin-Based : Work in one of the most vibrant tech hubs in the country.