Senior Full-Stack Developer (.NET\React) US Time Zone Offline

We are looking for an experienced Senior Full-Stack Developer with strong expertise in .NET backend technologies and modern React-based frameworks (Next.js with TypeScript).

In this role, you will help design, develop, and scale a biotech platform that includes functionality for storage management, billing, and patient-related workflows. The position requires a hands-on engineer who is comfortable making architectural decisions, writing high-quality, maintainable code, and collaborating within a small, highly efficient team.

You will also work directly with clients to gather requirements, participate in system architecture discussions, and ensure that the platform delivers secure, scalable, and high-performance solutions across the full technology stack.

Responsibilities

Backend Development (.NET / Azure)

• Build and maintain scalable backend services using C#, ASP.NET, and .NET Core
• Design and implement RESTful APIs and backend components
• Structure and optimize relational databases (SQL Server, PostgreSQL, or similar)
• Integrate external services such as DocuSign and payment platforms (Stripe, Square)
• Deploy and manage applications within the Microsoft Azure ecosystem
• Ensure high availability, scalability, and system reliability
• Apply strong security and data protection standards

Frontend Development (React / Next.js)

• Develop responsive web interfaces using React, Next.js, and TypeScript
• Create reusable UI components and shared front-end libraries
• Implement state management solutions such as Redux
• Optimize web performance, scalability, and SEO using SSR and modern routing
• Follow secure coding practices and OWASP recommendations
• Work closely with designers to convert UI/UX concepts into production-ready code
• Integrate frontend applications with backend services and APIs

Collaboration & Engineering Practices

• Work closely with developers, QA engineers, product managers, and business stakeholders
• Contribute to architecture design and technical decision-making
• Communicate directly with customers to clarify needs and improve solutions
• Review code and support the growth of junior engineers
• Participate in CI/CD pipelines and deployment processes
• Operate effectively within a fully remote team working in US time zones

Requirements

• 5+ years of professional experience in software engineering
• Strong hands-on experience with:
  • .NET ecosystem (C#, ASP.NET, .NET Core)
  • React with TypeScript
  • Next.js (SSR, routing, performance optimization)
• Proven experience designing RESTful APIs and scalable backend systems
• Practical experience with Microsoft Azure
• Strong knowledge of SQL database design and optimization
• Experience integrating third-party services (DocuSign, Stripe, Square, etc.)
• Experience with Redux or similar state management tools
• Familiarity with modern CSS frameworks (e.g., Tailwind CSS)
• Solid understanding of web security principles and common vulnerabilities
• Experience working with Git and version control workflows
• Strong communication skills and ability to collaborate in a small distributed team
• Ability to work independently in a remote environment

Nice to Have

• Experience in biotech, healthcare, or regulated industries
• Familiarity with patient management, billing, or storage-related platforms
• Experience with frontend testing tools such as Jest or React Testing Library
• Experience integrating analytics and tracking tools (Google Tag Manager, Segment)
• Background in startups or small product teams
• Knowledge of CI/CD automation and DevOps practices

What We Offer

• Opportunity to work on innovative solutions in the biotech sector
• Influence on technical architecture and product development
• Close collaboration with customers and decision-makers
• Flexible remote work environment
• The chance to contribute to the growth of a scalable technology platform