
Staff Software Engineer – Backend-Focused Fullstack
StartupTAP
full-time
Posted on:
Location Type: Hybrid
Location: Seattle • Washington • United States
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Salary
💰 $230,000 - $270,000 per year
Job Level
About the role
- Lead end-to-end development of major features across the full stack, from database design through frontend implementation
- Set architectural direction for backend systems and drive technical strategy across multiple teams
- Build high-performance APIs that support millions of transactions
- Design data models and services for complex business workflows
- Scale systems to handle growing user demand and transaction volume
- Create seamless user experiences across web platforms
- Ensure security and compliance in a fintech environment
- Champion backend architecture, performance, and accessibility best practices
- Partner with product and design leaders to translate customer needs into elegant, scalable technical solutions
- Drive technical decision-making and execution on complex, cross-functional initiatives
- Define and evolve engineering standards, architecture patterns, and tooling
- Mentor engineers across the organization and help build a strong engineering culture focused on quality and growth
- Make smart tradeoffs between shipping quickly and building for the long term
- Improve frontend component systems, backend infrastructure, and testing strategies
- Optimize system performance and reliability
Requirements
- 8+ years of professional software engineering experience with proven leadership on high-impact projects
- Strong track record of driving technical direction and architecture across multiple teams
- Deep backend expertise with Java/Kotlin (SpringBoot), Node.js, or similar server-side frameworks
- Expert-level experience designing and building REST/GraphQL APIs
- Proficiency with databases (MongoDB, PostgreSQL, or similar)
- Solid frontend capabilities with React, TypeScript, and modern JavaScript
- Proven ability to ship complete features end-to-end in production environments
- Strong product thinking and focus on user experience
- Experience mentoring engineers and growing technical capabilities across teams
- Excellent at collaborating across functions and communicating technical decisions to diverse audiences
- Comfortable in fast-moving environments where priorities shift
Benefits
- Equity options
- Comprehensive health coverage (medical, dental, vision) for you and dependents
- HSA/FSA options
- Flexible PTO policy
- 12+ paid holidays
- Parental leave and fertility benefits
- Retirement plan with company match
- Life and disability insurance
- Professional development support and mentorship programs
- Mental health resources and wellness perks
- Home office stipend and internet reimbursement
- Transit benefits
- Regular team events and recognition programs
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
JavaKotlinSpringBootNode.jsREST APIsGraphQL APIsMongoDBPostgreSQLReactTypeScript
Soft skills
leadershiptechnical directionproduct thinkinguser experiencementoringcollaborationcommunicationadaptability