Senior Full Stack Engineer
Windfall
Software Engineering
San Francisco, CA, USA
USD 180k-215k / year + Equity
Posted on Sep 2, 2025
As a Senior Full Stack Software Engineer at Windfall, you’ll be making things work from start to finish. When we say “full stack”, we really mean it. You’ll be connecting services, creating API’s, and building out UI’s across multiple products in a fast-paced, collaborative, and highly iterative environment. At our offices in San Francisco, you’ll be working in close proximity to senior leadership that can provide you with a wealth of technical, product, and business knowledge to help you grow your career.
As a member of our Platform Team, which historically has been all backend engineers, you’ll be bringing to life innovative and complex tooling for our internal teams, including Customer Success, Business Development, and Engineering.
We’re on a mission to change how organizations perceive and use people data. And we hold true to our core values of: (1) Be an excellent communicator; (2) Operate with transparency; (3) Provide leverage, not optimization; (4) Make a difference every day; and (5) Act with integrity and trust.
What you will do:
- Improve, extend, and tie together existing backend services to support our internal facing applications
- Rapidly prototype new tools and features that will make an immediate impact on the business
- Contribute to a highly collaborative, feedback-driven, fast-paced engineering team
- Develop broad ownership over our internal applications including setting coding patterns, best practices, and guidelines
- Collaborate closely with our product team to plan and execute projects at rapid speed
Some technologies you will use:
- Backend: Java, Kotlin
- Frontend: JavaScript/Typescript, React
- Cloud platform - GCP
- Data warehouse & databases - Postgres, BigQuery
- Kubernetes & Docker
Requirements:
- 6+ years of professional experience designing, building, and maintaining web applications
- Willingness to work a hybrid onsite schedule in our San Francisco or Denver office
- Experience developing server-side using an object-oriented approach, building API’s, and working with a modern frontend framework.
- Experience using transactional databases
- Ability to move quickly in a startup environment
- Impeccable attention to detail
Additional Information:
The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across California. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. We also offer a comprehensive benefits package, which you can explore on our careers site.
California: Salary range is $180k - $215k + Equity
Colorado: Salary range is $160k - $180k + Equity
About Windfall
Windfall is a people intelligence and AI company that gives go-to-market teams actionable insights. By democratizing access to people data, organizations can intelligently prioritize go-to-market resources to drive greater business outcomes. Powered by best-in-class machine learning and artificial intelligence, Windfall activates insights into workflows that engage the right people for each respective organization. More than 1,500 data-driven organizations use Windfall to power their business. For more information, please visit www.windfall.com.