Staff Software Engineer (Backend-Focused Fullstack)

StartupTAP•Seattle, WA

16h•$230,000 - $270,000•Hybrid

About The Position

Our client is a high-growth PropTech company transforming how the residential rental market operates. Their platform streamlines the entire rental lifecycle, from applications and screening to payments and property management, serving agents, property owners, and renters across the country. Founded by entrepreneurs who experienced firsthand the inefficiencies in the rental process, they've built a comprehensive digital solution that's now trusted by millions of users nationwide. With strong venture backing and consistent year-over-year growth, they've established themselves as a category leader in the single-family rental technology space, partnering with hundreds of major real estate organizations nationwide. Role Overview: We're hiring a Staff Software Engineer to lead development of core product features that directly impact millions of users. You'll set architectural direction, drive complex technical initiatives from concept through launch, and build scalable backend systems and polished user experiences. This is a senior technical leadership role where you'll shape engineering standards, mentor the team, and work closely with product, design, and engineering leaders to deliver exceptional experiences at scale. This is a hybrid position (2 days/week onsite) based in Seattle, WA.

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

Nice To Haves

Background working with high-traffic consumer applications
Experience with large-scale infrastructure and cloud platforms
Familiarity with A/B testing, analytics, and data-driven product development
Deep knowledge of CI/CD practices, monitoring tools, and production operations
Previous work in fintech, PropTech, or marketplace platforms

Responsibilities

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