Senior .NET Developer - Fully remote, New England preferred

Senior .NET Engineer
Join a fast-growing software company that is transforming how organizations manage and leverage large-scale scientific and operational data. This is a full-time opportunity for a Senior .NET Engineer to build cloud-native applications and distributed systems using C#, .NET, React, TypeScript, and AWS. You'll work on highly scalable products that process complex datasets, integrate with external platforms, and support mission-critical business workflows. Based remotely within the United States.

This is an opportunity for an engineer who enjoys solving difficult technical challenges rather than simply maintaining applications. You'll help design modern microservices, improve platform reliability, drive architecture decisions, and contribute to products that have a direct impact on customers. The team is looking for someone who can operate across the stack, troubleshoot production systems, and help scale a rapidly evolving cloud platform.

Required Skills & Experience
6+ years of software engineering experience
Strong experience with C# and .NET
Experience building distributed systems and microservices
React and TypeScript development experience
AWS cloud platform experience
Strong understanding of REST APIs and backend services
Experience with SQL and NoSQL databases
Automated testing experience CI/CD experience using GitHub Actions or similar tools
Production troubleshooting and performance optimization experience

Desired Skills & Experience
Docker and containerization
Infrastructure as Code experience
Event-driven architecture and message queues
Observability and monitoring tools
Large-scale SaaS platform experience
Experience working with scientific, healthcare, or regulated systems
What You Will Be Doing Tech Breakdown
40% Backend Development (.NET/C#)
25% Cloud & Microservices (AWS)
20% Frontend Development (React/TypeScript)
15% Testing, Performance & DevOps Daily Responsibilities
80% Hands-On Development
10% Architecture & Technical Planning
10% Cross-Functional Collaboration
The Offer
Competitive base salary
Bonus eligible
Equity participation
Flexible remote work environment
You will receive the following benefits:
Medical, Dental, and Vision Insurance
Flexible PTO
401(k) Life and Disability Insurance
Professional development opportunities
Career growth within a highly technical engineering organization
Applicants must be currently authorized to work in the United States on a full-time basis now and in the future.

No sponsorship is available for this position.