Full Stack Software Engineer

About the role

Teraswitch engineers are responsible for designing, building, and maintaining the high-performance infrastructure services that power critical workloads globally. This role focuses on owning the systems behind the customer portal and APIs, ensuring they meet stringent reliability and security standards. You will partner closely with Infrastructure, Operations, Support, and other internal stakeholders to deliver solutions that scale. The position requires a backend-first mindset with the flexibility to contribute across the entire stack, including front-end user experiences. Success in this role means taking strong ownership, exercising good judgment, and following through on complex problems from discovery to resolution. You will be expected to improve systems over time by identifying inefficiencies and driving practical enhancements. Collaboration is central, and you will engage with production issues when needed to support reliability and customer impact resolution.

Key facts

What you'll do

• Design, build, and maintain backend services and APIs using C# and modern .NET to support core infrastructure services.
• Own features across customer-facing systems, billing workflows, and internal tooling, ensuring alignment with business and operational goals.
• Build APIs and application workflows that support account management, permissions, billing, and service lifecycle operations with attention to accuracy and scalability.
• Contribute to front-end applications in React and TypeScript, as well as internal applications built with Blazor, to deliver cohesive user experiences.
• Integrate with third-party systems and infrastructure platforms that support core business and operational workflows, maintaining reliability and performance.
• Work with asynchronous, real-time, and event-driven application patterns to meet demands for responsive and resilient systems.
• Contribute to analytics and data workflows across transactional and high-volume systems, ensuring data quality and insight accuracy.
• Improve software quality through code reviews, testing, documentation, and shared engineering standards to maintain high reliability.
• Support production readiness through observability, troubleshooting, and operational improvements that reduce risk and downtime.
• Collaborate across engineering, operations, support, and other stakeholders to deliver practical solutions that balance technical and business needs.

Requirements

• 3+ years of professional experience building production software with C# and modern .NET, demonstrating consistent delivery in real environments.
• Strong backend engineering fundamentals, including API design, data modeling, debugging, performance, and secure coding practices that scale.
• Experience building and maintaining APIs and integrating with external systems, including handling authentication, error cases, and data consistency.
• Experience working with SQL databases, including schema design and query optimization, to support efficient and reliable data access.
• Ability to contribute across the stack, including front-end development in React and TypeScript, to collaborate effectively with UI and frontend teams.
• Familiarity with modern engineering workflows including Git, code reviews, testing, and CI/CD practices to maintain high software quality.
• Strong ownership mindset, including the ability to work through ambiguity and follow through on improvements that benefit users and operations.
• Comfortable collaborating across functions and supporting production systems responsibly, with attention to reliability and security.
• Comfortable working in a fast-paced, results-oriented environment where priorities can shift based on business and operational needs.

Nice to have

• Experience with distributed systems, microservices, or asynchronous workflows that enhance scalability and resilience.
• Experience with messaging, background processing, or event-driven systems to support real-time and asynchronous operations.
• Experience with real-time application patterns that ensure timely delivery and responsiveness under load.
• Experience building applications with Blazor to maintain and extend rich internal user interfaces.
• Experience with analytics or high-volume data systems to support insight generation and operational reporting.
• Familiarity with containerized deployments and modern delivery practices, including Kubernetes, Helm, GitOps, and CI/CD pipelines for reliable releases.
• Experience with observability and production diagnostics, including logs, metrics, traces, and related tooling to guide troubleshooting.
• Experience integrating with identity, billing, or other external platforms to streamline workflows and reduce integration risk.
• Exposure to infrastructure, hosting, cloud, or hardware-adjacent software systems to support complex deployment scenarios.
• Experience working in environments with security and compliance expectations to uphold operational standards.
• Curiosity and willingness to work in a primarily C# ecosystem that occasionally touches adjacent technologies to address evolving needs.
• Product-minded approach to engineering, with an understanding of how technical decisions shape user and operator experience in production.

Practical notes

Preference given to full-time onsite candidates in Pittsburgh, PA, followed by hybrid candidates.