Principal Software Engineer (Fintech)

TL;DR

Principal Software Engineer (Fintech): Leading the design and implementation of hirify.global's core money infrastructure, spanning pricing, billing, payments, and monetization with an accent on building flexible abstractions and APIs for new SKUs, plans, and monetization models. Focus on scaling global order-to-cash foundation supporting credit-based subscriptions, usage-based billing, marketplaces, in-app payments, and commerce for Agents.

Location: In office M,W,F in Foster City, CA

Salary: $250K - $340K

Company

hirify.global is the agentic software creation platform that enables anyone to build applications using natural language.

What you will do

• Lead the design, architecture, and implementation of hirify.global’s core money infrastructure, spanning pricing, billing, payments, and monetization.
• Own and scale the global order-to-cash foundation supporting credit-based subscriptions, usage-based billing, marketplaces, in-app payments, and commerce for Agents.
• Enable rapid pricing and packaging experimentation across the company by building flexible abstractions and APIs for new SKUs, plans, and monetization models.
• Build high-converting, localized payment experiences across geographies — thinking globally while enabling users to pay locally.
• Partner closely on data specifications with finance, accounting, and data teams to produce accurate, auditable, and reliable financial data.

Requirements

• 8+ years of professional software engineering experience, with strong backend expertise.
• Hands-on experience building or operating at least one of the following: subscription or recurring billing platforms, usage-based or metered billing systems, payment processing platforms, SaaS taxation or compliance systems, tokenization or credits-based systems.
• Strong system design skills, especially for high-reliability, high-correctness domains like money.
• Comfort working autonomously in ambiguous, fast-moving environments with high business impact.
• Excellent debugging and problem-solving skills, including handling complex billing edge cases and failure modes.

Nice to have

• Experience with usage-based billing platforms like Orb, Metronome, or Stripe Billing.
• Experience building coupons, referral programs, credits, or other monetization growth systems.
• Experience working on marketplaces, fintech integrations, or multi-party payment flows.
• Prior work on globally distributed payment systems with localization and compliance considerations.

Culture & Benefits

• Competitive Salary & Equity.
• 401(k) Program.
• Health, Dental, Vision and Life Insurance.
• Flexible Time Off (FTO) + Holidays.
• Autonomous Work Environment.