Senior Full Stack Engineer (React/.NET)

Senior Full Stack Engineer (Frontend-Focused)Compensation: $120,000-$140,000Fully Remote (Must reside in the U.S.)About the OpportunityOur client is a growing SaaS company modernizing a mature enterprise platform into a cloud-native, service-oriented architecture. They are seeking a Senior Full Stack Engineer with a strong frontend focus to help drive the evolution of their product suite while maintaining high standards for performance, scalability, and user experience.This is a fully remote position within the United States with occasional travel.What You'll DoDesign and build modern web applications using React and TypeScript.Develop end-to-end features across frontend and backend systems.Help modernize a legacy platform into a Kubernetes-based SaaS architecture.Collaborate with product, engineering, and customer-facing teams to deliver high-quality solutions.Lead technical initiatives and contribute to architectural decisions.Mentor engineers through code reviews, design discussions, and best practices.Support production issues and continuously improve application reliability.What We're Looking ForFrontend (Most Important)Expert-level React and TypeScript experience.Experience building complex enterprise or SaaS applications.Strong understanding of frontend architecture, component design, state management, and performance optimization.BackendStrong C# and .NET Core experience.Experience with Node.js and API development.Cloud & InfrastructureAzure experience.Kubernetes and containerized application experience (AKS preferred).Experience with distributed systems, microservices, and cloud-native architectures.Additional ExperienceREST APIs, GraphQL, or WebSocket architectures.SQL Server, PostgreSQL, or MongoDB.Messaging technologies such as RabbitMQ, Azure Service Bus, or Kafka.Git, Azure DevOps, CI/CD pipelines.AI-assisted development tools such as Cursor, Claude Code, or GitHub Copilot.Ideal BackgroundFull-stack engineer whose recent experience is primarily focused on React/TypeScript development.Experience leading frontend architecture and building scalable enterprise applications.Comfortable working in a distributed, highly collaborative remote environment.Benefits include: Medical insuranceDental insuranceVision insurance401(k)HSA (Health Savings Account)FSA (Flexible Spending Account)Transportation benefitsUnlimited PTO100% remote workOccasional travel only (1-2 trips per year)Prime Team Partners is an equal opportunity employer. Prime Team Partners does not discriminate on the basis of race, color, religion, national origin, pregnancy status, gender, age, marital status, disability, medical condition, sexual orientation, or any other characteristics protected by applicable state or federal civil rights laws.