San Francisco, United States of America On-site USD 205,000 – 265,000 / year

Quanta is hiring a Senior Product Engineer

Responsibilities

  • Build and evolve the core infrastructure that runs Quanta’s accounting and finance platform in production, including ledgers, reconciliation pipelines, and automation workflows.
  • Model how businesses actually work by working closely with accountants and engineers to apply, stress-test, and evolve abstractions in real use.
  • Take responsibility for problems from first signal to shipped solution, solving them first for the internal team and then turning validated solutions into scalable product capabilities.
  • Design modular systems that make customization possible without sacrificing stability, enforcing clear guardrails around data integrity and system behavior.
  • Work alongside other engineers to explore how new AI tools, workflows, and agentic systems can change how software is designed, implemented, and maintained.
  • Ship quickly without cutting corners, contributing to production systems and real design decisions from day one.

Requirements

  • 6–7+ years of full-stack engineering experience, ideally on small, high-impact B2B teams
  • Strong technical fundamentals across modern backend and frontend systems
  • Systems thinking, including API design, data modeling, and reliability
  • Product mindset with good judgment around tradeoffs
  • Comfort with ambiguity, ownership, and self-direction
  • Strong collaboration skills

Nice to Have

  • Experience with financial systems, ledgers, or accounting workflows
  • Excitement about working in person with a collaborative team in San Francisco

Benefits

  • Competitive early-stage salary ($205K-265K)
  • Competitive early-stage equity
  • Health, dental, and vision insurance
  • 401(k)
  • Commuter benefits
  • Wellness stipend

Work Arrangement

On-site — downtown San Francisco

Team

Team size: 17. Structure: tight-knit team

Additional Information

  • Take-what-you-need paid vacation
  • Paid lunches and dinners in the office
  • All equipment and tools needed to be productive
About company
Quanta

At Quanta, we empower software companies with real-time financial clarity. Our vision is to automate all non-creative business accounting tasks, so finance teams and business owners need only do creative and strategic work.

We provide expert SaaS accounting services backed by software that shows its work, enabling accurate books and defensible financial analysis. Our platform offers continuous accounting, reconciliation, revenue insights, and up-to-date financial visibility tied directly to underlying transactions.

Founded by engineers and finance leaders from Stripe, Affirm, Notion, and Intercom, we are focused on building great product for startups and growing software businesses. Quanta is backed by top investors including Accel, Elad Gil, and Homebrew.

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Job Details
Department Engineering
Category other
Posted 4 months ago