Senior .NET Full-Stack Engineer — Hybrid & AI-Driven

GEICO; Seattle (WA); Hybrid; USD 105,000 - 215,000; Full time

Job summary

GEICO is seeking a Senior Software Engineer to design and deliver scalable full-stack solutions. You will work across the stack with .NET or Java backends and React front-ends, leveraging SQL and NoSQL data stores.

The role emphasizes cloud-native architectures, AI-powered tooling, observability, and secure, reliable software delivery. The hybrid Seattle-based position combines hands-on development with architectural leadership, cross-team collaboration, and mentoring of junior engineers to

Qualifications

• 5+ years of professional software development experience in large-scale enterprise environments.
• 4+ years of backend experience with .NET, Java, ASP.NET Core, or Spring Boot.
• Strong front-end skills: HTML5, CSS3, JavaScript, ReactJS, Redux, Hooks.
• Experience with cloud platforms and RESTful microservices.

Responsibilities

• Provide technical leadership and architectural input for complex initiatives.
• Design and maintain scalable full-stack applications across .NET/Java backends and React front-ends.
• Implement observability, security, and reliable CI/CD pipelines.
• Collaborate with teams across the software development lifecycle.
• Mentor junior engineers and review designs and code.
• Develop APIs and microservices and maintain associated documentation.

Skills

Full-Stack development

Front-end development

Back-end development

Cloud architectures

Education

Bachelor’s or Master’s in CS or related

Tools

ReactJS

TypeScript

Java

ASP.NET Core

Spring Boot

Docker

Kubernetes

Azure/AWS/GCP

SQL/NoSQL

Job description

GEICO is seeking a Senior Software Engineer to design and deliver scalable full-stack solutions. You will work across the stack with .NET or Java backends and React front-ends, leveraging SQL and NoSQL data stores.

The role emphasizes cloud-native architectures, AI-powered tooling, observability, and secure, reliable software delivery. The hybrid Seattle-based position combines hands-on development with architectural leadership, cross-team collaboration, and mentoring of junior engineers to