Senior .NET Full Stack Software Engineer (Austin)

At Frontier Energy, were more than just engineers and professionalswere a team of innovators, problem-solvers, and visionaries dedicated to advancing clean energy solutions. Our mission is to pioneer the intelligent use of energy for a sustainable and resilient future.

We offer a collaborative and dynamic workplace where your ideas are heard, nurtured, and transformed into impactful solutions. With a flat hierarchy and open-door policy, every team member is empowered to experiment, take ownership, and make a real difference.

Beyond fostering an inspiring culture, we provide competitive compensation, comprehensive benefits, and opportunities for growth. Join us and be part of a team thats shaping the future of energy while leaving a positive impact on the world.

The Senior .NET Full Stack Software Engineer will need to balance strong technical depth with practical problem-solving. This role will help shape the next generation of our software products, including modernizing existing systems, building new greenfield services, and delivering stable, scalable features for our clients in the clean energy and municipal sectors. You will join a collaborative team that values clarity, ownership, craftsmanship, and continuous improvement.

Responsibilities

• Design, build, and maintain reliable full stack applications using C#, .NET Core, and modern front-end frameworks such as Blazor or React.
• Develop scalable APIs, microservices, and cloud-native components within Azure.
• Own feature development from concept to deployment, including architecture, implementation, documentation, and testing.
• Collaborate closely with product management, business analysts, and other engineers to break down complex problems into clear, actionable work.
• Write clean, maintainable, well-tested code and participate in peer reviews that emphasize long-term quality and resilience.
• Contribute to CI/CD pipelines (GitHub Actions or Azure DevOps), observability (logging, metrics, tracing), and infrastructure automation.
• Mentor junior and mid-level engineers by offering guidance, pairing, and constructive feedback.
• Participate in backlog refinement, estimation sessions, and sprint ceremonies.
• Help drive architectural discussions, propose solutions, and influence engineering best practices across the department.

Required Qualifications

• 10 or more years of professional software engineering experience.
• Strong proficiency in C#, .NET Core, and API development.
• Experience with modern JavaScript/TypeScript frameworks (Blazor, React, Angular, or Vue).
• Hands-on experience with Azure services such as App Service, Functions, Key Vault, Service Bus, Storage, and Azure SQL.
• Strong understanding of relational databases, SQL, and ORMs such as EF Core or Dapper.
• Proficiency with Git, CI/CD pipelines, and modern DevOps workflows.
• Strong grounding in software engineering fundamentals including design patterns, clean architecture, and test automation.
• Experience working in Agile environments with cross-functional collaboration.

Preferred Qualifications

• Experience with distributed systems, messaging, or event-driven architecture.
• Familiarity with infrastructure as code (Bicep, ARM, Terraform).
• Knowledge of cloud cost optimization, reliability engineering, or monitoring frameworks.
• Experience mentoring engineers or serving in a technical lead capacity.
• Experience in the energy, utilities, or public sector domains.