Founding Engineer (Ruby)

Finta

Finta is the simplest way for startups to automate bookkeeping and see their finances in real time. We help smart teams ditch manual accounting work and focus on what matters.

We raised $2M from Y Combinator and leaders at Mercury, Brex, and Ramp. Since launching in 2023, hundreds of startups use and love us. See what they say on our website.

Role

We’re a lean team looking for a Founding Engineer (Ruby) to join as employee #5. In this role, you will:

• Own core backend systems in Ruby (Rails or services), from design to production
• Ship features end-to-end across APIs, data models, background jobs, and performance
• Build reliable integrations with banking/accounting data sources
• Raise the bar on testing, observability, security, and deployment practices
• Work directly with users, design, and ops to turn problems into simple solutions
• Establish engineering standards and help hire the early team

Fit

This role is a great fit for you if:

• Have 5+ years building production systems in Ruby
• Have strong SQL/Postgres skills and experience with queues/background processing
• Move fast, own outcomes, and care about craft and reliability
• Can simplify complex workflows into clear, maintainable code
• Communicate crisply and thrive in a high-agency startup

Our Values

• Simplicity: Be thoughtfully concise, clear, and efficient
• Endurance: Have integrity, discipline, and think long-term
• Decisive: Be biased for action and learn quickly
• Passion: Have dedication and enthusiasm in what you do
• Open-minded: Have conviction and critically question it
• Selflessness: Set egos aside to win or lose as a team

Why Join

• Ship consequential work used by hundreds of startups
• A small, mission-driven team that values craftsmanship and truth
• 10+ years of runway with backing from top investors
• Ownership over architecture, quality bar, and early hiring

Why You Shouldn’t Join

• You prefer heavy structure and narrow scope
• You need step-by-step direction
• You avoid hands-on building or ambiguity

Compensation

• Salary: $175-$250K plus 1-5% equity
• Hybrid in San Francisco preferred; remote possible
• Visa sponsorship and relocation support available
• Medical, dental, and vision insurance

1. Intro interview (30 mins)
2. Technical review (40 mins)
3. Technical exercise (3 hrs)
4. Culture interview (40 mins)