
Principal Software Development Engineer, Full Stack
WillHire
full-time
Posted on:
Location Type: Hybrid
Location: Seattle • California • Washington • United States
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Salary
💰 $163,800 - $245,800 per year
Job Level
About the role
- Build and deliver full stack features that power AI agents embedded in HR and Financial workflows
- Own services and experiences from development through production—you build it, you run it
- Collaborate in an iterative, team-first environment that values strong engineering practices and continuous learning
- Share knowledge, mentor teammates, and help raise the technical bar across the pod
Requirements
- 12+ years of experience in software engineering
- 7+ years experience with a web development framework (Python preferred: Flask, Django, or FastAPI)
- 7+ years of experience with React and Typescript for Front End / Full stack development
- 7+ years with a Relational DB (PostgreSQL preferred)
- Bachelor's degree in a computer related field or equivalent work experience
- Experience building and operating SaaS products in cloud environments (AWS preferred)
- Familiarity with the tradeoffs and architecture of modern distributed systems
- Knowledge of software development best practices (DevOps, CI/CD, automated testing, observability)
- Hands-on experience with containerization technologies (Docker, Kubernetes)
- Exposure to additional programming languages like Java (backend) and TypeScript (frontend/fullstack) is a plus
- Proven success working within fast-paced, agile environments and cross-functional teams
Benefits
- Workday Bonus Plan
- Role-specific commission/bonus
- Annual refresh stock grants
- Health insurance
- 401(k) matching
- Flexible work arrangements
- Professional development
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
PythonFlaskDjangoFastAPIReactTypescriptPostgreSQLSaaSDockerKubernetes
Soft Skills
collaborationmentoringcontinuous learningteamworkcommunication
Certifications
Bachelor's degree in computer related field