Founding Full Stack Engineer

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Company: Cadre

Location: San Francisco, CA 94112

Description:

Founding Full Stack Engineer

Location: San Francisco (Hybrid)
Type: Full-time
Compensation: $170k-$200k base + 0.2%-0.6% equity (flexible for exceptional candidates)
Visa sponsorship: Available
Reports to: Ankur Dahiya, Co-Founder & CEO
About Us

At Fifteenth, we're reimagining the future of personal taxes - starting with the people who are building the future: founders, investors, and employees at high-growth startups. Taxes today are painful, opaque, and error-prone. We're building an intelligent, seamless platform that handles everything from planning to filing, so our users never have to stress about taxes again.

Backed by $8.3M in funding and based in San Francisco, we're a team of 10 builders on a mission to disrupt the $40B+ personal tax industry. Now we're hiring a Founding Full Stack Engineer to help us move fast and scale up.
Who You Are
  • Customer-Obsessed: You build with users in mind - the experience is as important as the functionality.
  • Pragmatic: You focus on what really matters and prioritize for maximum impact.
  • Curious Generalist: You're fast to pick up new technologies and don't shy away from unfamiliar challenges.
  • Technically Strong: You're fluent in modern web technologies and frameworks.
  • Experienced: You have 5-8 years of hands-on engineering experience, ideally in fast-moving environments.
Minimum Requirements
  • 5-8 years experience as a fullstack software engineer, building and iterating on real products
  • Proven track record leading 0 1 product development at startups or high-growth companies
  • Senior or staff-level engineer at a top-tier company (e.g. Stripe, Rippling, Brex, Harvey)
    - FAANG experience is welcome if paired with early-stage product-building experience
  • Deep expertise in your preferred languages and frameworks (we care more about skill than stack)
  • Experience working with cloud platforms (GCP, AWS, Azure)
  • Fullstack capabilities with a frontend-leaning edge - comfortable designing clean UIs and component libraries
  • Strong product sense - you refine things until they're right, not just until they work
Bonus Points
  • Interest in the personal finance or tax space
  • Familiarity with secure data handling, document parsing, or integrations with IRS/tax software
  • Desire to grow into a leadership role as the company scales
Why Join Fifteenth?
  • Help define the technical foundation of a category-defining fintech product
  • Ship fast in a low-ego, high-ownership culture
  • Build something that removes pain and confusion from millions of people's lives
  • Work closely with an exceptional founding team in hybrid onsite setup in SF
  • Join at a stage where your impact is deeply felt - across product, culture, and company direction

If you're an experienced, product-focused builder excited about reshaping personal taxes, we'd love to meet you. Apply now or reach out directly.

Let's fix taxes. Together.

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