Jobs / United States / Kikoff INC
Senior Fullstack Engineer - User Retention & App Ecosystem
Kikoff INC · 🇺🇸 San Francisco
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 21 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Kikoff INC paid sponsored hires in similar roles2 certified filings for “Data Engineer” (Database Architects) in CA: $152k–$190k, median $171k. Most were filed at wage level I (50%) — 1 lottery entry, ≈15% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Kikoff INC
The US Department of Labor certified 21 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Kikoff INC →
About the role
Kikoff: The Fintech Powering Financial Security at Scale Kikoff is a profitable, pre-IPO fintech company on a mission to empower everyone to achieve financial security. 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. We're scaling fast. Join us if you want to build something meaningful and help millions of people move forward financially. Why Kikoff: This is a consumer fintech startup, and you will be working with serial entrepreneurs who have built strong consumer brands and innovative products. We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships. Yes, you can build an exciting business AND have real-life real-customer impact. About the team 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. We’re looking for a Senior Fullstack Engineer to drive user-facing projects, improve existing core services, and own product domains. If you like owning both the work and the outcome of a complex project end-to-end, we’d like to talk to you! What you’ll be doing • Lead and implement data-driven and impact-focused projects around user-retention and ecosystem integration end-to-end, affecting millions of users. • 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. What we’re looking for • B.A. / B.S. / M.S. or strong self-taught fundamentals in computer science • 6+ years of industry experience, or high-slope growth, with demonstrated breadth and depth of product impact • Strong fullstack development experience with a backend focus: proficient or highly proficient on the backend, and experienced in either web frontend (React) or mobile (Flutter preferred) • Strong cross-functional communication and coworking skills with product, data, design, and legal partners • Demonstrated ability to own and drive complex projects end-to-end, coordinating focused teams through ideation, requirements, design, implementation, launch, and post-launch. • Good judgment in identifying and choosing trade-offs between business impact, delivery speed, and long-term operational excellence • Strong system design skills for both new and existing systems An ideal candidate also shows • Experience with financial infrastructure or regulated environments (credit bureau data, PII, SOC2) • Background in fintech, payments, or lending infrastructure • Experience integrating third-party APIs reliably and communicating with technical vendors • 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 • Experience in leveling up the team through code reviews, design docs, and technical guidance • Thoughtful use of AI tools to accelerate delivery while maintaining operational excellence • Eagerness for product and feature ideation • Experience with our stack is a plus: Ruby on Rails, React, Flutter, MySQL Base Range $244,000 — $292,000 USD A note on applying: We know great candidates sometimes hold back if they don’t meet every qualificat