• Break down large or complex problems into smaller parts, design clean solutions, and implement the core framework. • Build and maintain RESTful APIs and backend services using C#, .NET Core, Entity Framework, and Web API. • Apply software architecture patterns like Domain-Driven Design (DDD) and CQRS to build modular and scalable systems. • Work directly with SQL Server—designing databases, writing stored procedures, optimizing queries, and tuning performance. • Use Entity Framework (EF Core or EF6) for ORM and data access. • Write clean, testable, and maintainable code with proper documentation. • Take full ownership of testing your own code—unit, integration, and performance testing—as part of a Shift Left / No QA team setup. • Collaborate with product managers and other teams to understand requirements and deliver customer-focused features. • Use AI development tools (required)—including GitHub Copilot, Claude, or similar—to assist with code generation, refactoring, documentation, and development speed.

• Designing, developing, and maintaining scalable full-stack applications using Angular and .NET • Partnering closely with product owners, business analysts, and technical teams to understand existing processes and system dependencies • Translating mainframe-era workflows into clean, well-documented APIs and services • Building and maintaining RESTful and GraphQL APIs to support front-end and back-end integration • Creating Angular-based single-page applications with strong attention to usability and performance • Contributing to event-driven and workflow-oriented solutions, including asynchronous processing, reconciliation, and backfill scenarios • Writing clean, testable, and maintainable code aligned with engineering best practices • Owning engineering solutions end-to-end and proactively identifying opportunities to improve reliability, observability, and scalability • Ensuring applications meet security, performance, and compliance expectations • Participating in code reviews and mentoring junior engineers to support team growth and continuous improvement

• Own, maintain, and improve scalable data pipelines that empower Antenna’s recently launched Subscriber Views product. Proactively identify failures, troubleshoot root causes, and implement corrective actions to prevent recurrence • Develop a deep understanding of Antenna's core data models in order to collaborate effectively with Data Operations and Data Science • Partner with the Data Science and Data Operations teams to maintain datasets that teams trust, understand, and use for self-service • Collaborate with a wide range of cross-functional stakeholders to gather and define requirements • Document, simplify, and explain complex problems to diverse audiences • Establish best practices to develop specialized datasets for analytics and modeling

• Build and ship features end-to-end using TypeScript across backend and frontend • Develop and maintain serverless APIs (AWS API Gateway + Lambda) • Work on a modern frontend with Next.js, deployed via S3 + CloudFront • Design and implement systems that process biomarker and health data • Integrate and apply AI/ML models to generate user-facing insights • Use Supabase for authentication and database interactions • Collaborate directly with the founder(s) on product and technical decisions • Continuously improve performance, reliability, and developer experience