Principal Full Stack Engineer Jobs in Bellevue, WA

About Rivet

Rivet is an American company building integrated task systems — fusing hardened hardware with software, sensors, AI, and networking — for industrial workforces and defense personnel. We create capabilities that multiply the effectiveness of every individual and withstand the world’s toughest environments.

We serve the people who build, operate, maintain, and defend our way of life. From technicians and engineers to first responders and service members, they embody the hard work, ingenuity, and meritocratic values that drive Western prosperity. Yet too often they are forced to rely on outdated tools that fail under modern pressures. Rivet exists to reset that priority.

At Rivet, you’ll join a mission-driven team that fuses disciplines to deliver decisive outcomes where they matter most. Whether shaping our technology, strengthening our partnerships, or building our culture, every role here contributes to equipping the front lines with the modern systems they deserve.

Work Authorization Requirement: Due to the nature of our business and compliance with federal regulations, all candidates must be a "U.S. Person". Upon hire, you will be required to provide documentation verifying your status as a U.S. Citizen, a lawful permanent resident, or a protected individual under 8 U.S.C. 1324b(a)(3).

Role: Software Engineer, Full-Stack

Location: Bellevue, WA or San Jose, CA

Compensation*: $180,000-$240,000 + benefits

Summary

Build the platform that defines the future of work at the front line. You’ll own development end to end across a modern .NET stack: web UI, APIs, database, media pipelines, and deployment to the cloud and to the edge. We are a small team that places a high value on craft, quality, and velocity.

Responsibilities

• Ship and maintain full-stack end to end: UI, API, database, tests, and docs
• Design APIs consumed by both web clients and on-device software
• Build data integration pipelines involving large-file sync, integrity verification, and processing
• Harden the system: testing, failure recovery, data integrity, observability
• Run full software development life cycle
• Uphold and maintain a high-quality codebase over time

Requirements

• 5+ years building full-stack web applications that shipped to production
• Strong C# and ASP.NET Core, or deep experience in a comparable stack with willingness to work in .NET
• SQL fluency: schema design, migrations, and optimizing queries
• Docker-based packaging and deployment to Linux servers
• Comfortable owning a system solo: debugging across UI, API, database, and host
• BS in CS, CE, or a related field, or equivalent demonstrated experience

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  Total compensation may vary within this range and is determined by years and level of relevant experience, job-related skills, education, and other factors. In addition to base salary, this role may be eligible for equity grants and other forms of compensation. Eligible employees also receive a competitive benefits package, including unlimited PTO.

EOE