Kikoff
Senior Fullstack Engineer - User Retention & App Ecosystem
San Francisco · Senior
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DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- The User Retention and App Ecosystem team focuses on sustainable, long-term, and interconnected customer growth at Kikoff.
- We help customers stay around longer and get more value from their subscriptions.
- We ensure that customers are excited to explore the different consumer fintech apps across Kikoff's growing ecosystem, with as little cross-app friction as possible.
Responsibilities
- Lead and implement data-driven and impact-focused projects around user-retention and ecosystem integration end-to-end, affecting millions of users.
- With record revenue growth in 2025 and a unicorn valuation, we've built a suite of products that help millions of people build credit, access liquidity, and save money.
- Join us if you want to build something meaningful and help millions of people move forward financially.
- We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships.
Requirements
- 6+ years of industry experience, or high-slope growth, with demonstrated breadth and depth of product impact
- An ideal candidate also shows
- Experience with classical ML model training and production deployment
- Experience with observability, monitoring, and alarms in customer-facing systems
- Experience with using business metric focused A/B tests and experiments for new features
Nice to have
- Ruby on Rails, React, Flutter, MySQL
- We know great candidates sometimes hold back if they don't meet every qualification listed.
- If you're excited about this role and believe you can do the work, we encourage you to apply.
- Equal Employment Opportunity Statement
- Kikoff Inc. is an equal opportunity employer.
- Please reference the following for more information.
- Good judgment in identifying and choosing trade-offs between business impact, delivery speed, and long-term operational excellence
- Experience with financial infrastructure or regulated environments (credit bureau data, PII, SOC2)
Compensation
- $244,000 - $292,000 USD
Company info
- Be the definitive technical owner for 1 to 2 large product areas across credit report retrieval, credit disputes, customer off-boarding experience, and cross-app integration.
- Enhance observability, reliability, and operational excellence across existing services.
- Kikoff is a profitable, pre-IPO fintech company on a mission to empower everyone to achieve financial security.
- We're looking for a Senior Fullstack Engineer to drive user-facing projects, improve existing core services, and own product domains.
Equal opportunity
- We are committed to complying with all federal, state, and local laws providing equal employment opportunities and considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
Visa & Work Authorization
- in, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class
This listing is sourced directly from Kikoff's careers page and normalized into a canonical job model.