Who We AreTetraScience is the Scientific Data and AI Cloud company. We are catalyzing the Scientific AI revolution by designing and industrializing AI-native scientific data sets, which we bring to life in a growing suite of next gen lab data management solutions, scientific use cases, and AI-enabled outcomes. TetraScience is the category leader in this vital new market, generating more revenue than all other companies in the aggregate. In the last year alone, the world’s dominant players in compute, cloud, data, and AI infrastructure have converged on TetraScience as the de facto standard, entering into co-innovation and go-to-market partnerships:<a href="https://www.tetrascience.com/company/news"> Latest News and Announcements | TetraScience Newsroom</a>In connection with your candidacy, you will be asked to carefully review the Tetra Way letter, authored directly by Patrick Grady, our co-founder and CEO. This letter is designed to assist you in better understanding whether TetraScience is the right fit for you from a values and ethos perspective. It is impossible to overstate the importance of this document and you are encouraged to take it literally and reflect on whether you are aligned with our unique approach to company and team building. If you join us, you will be expected to embody its contents each day. Job Description We are seeking a highly skilled Senior .NET Engineer to join our dynamic team. The ideal candidate will have extensive experience in designing and developing high-performance, scalable applications using C#, the .NET Framework, and TypeScript. The role involves implementing automated testing and leveraging GitHub Actions for CI/CD pipelines. The candidate should also be proficient in production debugging and possess excellent communication skills. Knowledge and experience with AWS cloud services are also essential.Key Responsibilities<ul> <li> High-Performance, Distributed, and Scalable Application Design: Architect, design, and maintain distributed applications, ensuring high performance, scalability, and security.</li> <li> Full-Stack Development: Develop backend services (primarily C#/.NET and TypeScript) and cloud APIs, as well as modern, responsive front-end applications using TypeScript / React.</li> <li> Microservices Architecture:</li> <ul> <li>Design and implement loosely coupled, independently deployable services using AWS services such as DynamoDB, RDS, SQS, Lambda, API Gateway, and others.</li> <li>Build, deploy, and manage applications using AWS services such as DynamoDB, RDS, SQS, Lambda, API Gateway, and others.</li> </ul> <li> Automated Testing: Create and maintain automated unit, integration, contract, and end-to-end tests across microservices and UI layers.</li> <li> CI/CD Pipelines: Use GitHub Actions to implement and maintain CI/CD pipelines for both backend services and front-end applications.</li> <li> Production Debugging &amp; Optimization: Diagnose and resolve production issues in distributed systems, including service-to-service communication, CPU/memory/network bottlenecks, and AWS service performance.</li> <li> Collaboration &amp; Communication: Work closely with product managers, tech leads, and other engineers to deliver reliable, maintainable, and scalable solutions. Communicate technical decisions clearly to both technical and non-technical stakeholders. </li> </ul>Qualifications:<ul> <li> Experience: Proven track record in designing and building distributed applications.</li> <li> Required Technical Skills:</li> <ul> <li>Strong proficiency in backend service development (C#/.NET preferred, but open to other modern server-side languages).</li> <li>Strong proficiency in TypeScript and React for front-end UI.</li> <li>Hands-on experience with AWS DynamoDB, RDS, SQS ( or an equivalent cloud provider) in production environments.</li> <li>Experience with microservices patterns (service discovery, API gateway, messaging/queueing, data partitioning).</li> <li>Experience with automated testing at multiple levels.</li> <li>Strong Git skills and hands-on experience with GitHub Actions for CI/CD.</li> <li>Strong troubleshooting skills for distributed systems in production.</li> <li>Solid understanding of cloud-native architecture and AWS best practices.</li> </ul> <li> Soft Skills:</li> <ul> <li>Excellent verbal and written communication.</li> <li>Strong collaboration skills in cross-functional teams.</li> <li>Analytical mindset with high attention to detail.</li> </ul> </ul>Preferred Qualifications:<ul> <li>Familiarity with containerization (Docker) and experience defining AWS infrastructure using CloudFormation (or AWS CDK) to support predictable and repeatable environments.</li> <li>Experience with performance tuning and designing scalable solutions.</li> </ul>