Senior Full-Stack Software Engineer (React, Node, MongoDB) - B2B SaaS

techtree • United State
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AI Summary

techtree is seeking a Senior Full-Stack Software Engineer with 4-10 years of B2B SaaS experience to build their modern construction operating system. The role requires expertise in React, Node, and MongoDB, with a strong product mindset and founder-style ownership. This is an urgent, high-headcount need with competitive compensation and equity.

Key Highlights
Develop and maintain a B2B SaaS platform modernizing the construction industry.
Requires a strong product mindset, user- and product-oriented decision making, and balance between backend/frontend.
Founder-style ownership, thriving in ambiguity, and clear communication of complex concepts are essential.
Technical Skills Required
React React Native Node.js Express.js MongoDB Modular Systems Architecture
Benefits & Perks
Competitive compensation package
Base salary: $190,000 - $250,000 USD
Equity: 0.05% - 0.5%
Hybrid work model (in-office Mon-Thu)
Relocation assistance to tech hubs (Austin, Seattle)
Fintech exposure (Render, Check, Stripe, Treasury APIs)

Job Description


About The Company

This organization is building the modern construction operating system. Their platform unifies HR, compliance, and financial tools for contractors, modernizing a $2T industry.

About The Role

Seeking a Full-Stack Software Engineer with 4-10 years experience in B2B SaaS, skilled in React, Node, MongoDB, for a fast-growing company modernizing construction industry.

The Full-Stack Software Engineer will be responsible for developing and maintaining the company's platform, which serves as a modern construction operating system. This platform integrates HR, compliance, and financial tools specifically designed for contractors, aiming to modernize the construction industry. The role involves working in a hybrid mode, primarily in-office from Monday to Thursday, with the flexibility of remote work or relocation to tech hubs like Austin or Seattle.

The engineer will be expected to have a strong product mindset, making user- and product-oriented decisions, and maintaining a balance between backend API and frontend UI development. The role requires clear communication skills to articulate complex concepts and a founder-style ownership mindset, thriving in ambiguous situations.

The position is urgent, with a high headcount need, and offers a competitive compensation package including a base salary and equity. The company is looking for candidates who have led complex product development projects with a high technical standard and have experience in fast-scaling B2B SaaS environments.

Requirements

  • 4–10 years full-stack engineering in fast-scaling B2B SaaS
  • CS degree from top-tier engineering school
  • Experience with leading tech companies or equivalent foundational training
  • Startup experience
  • Led complex product development with high technical bar

Required Skills

  • React
  • React Native
  • Node/Express
  • MongoDB
  • User- and product-oriented decision making
  • Strong backend API + frontend UI balance
  • Ability to articulate complex concepts clearly
  • Founder-style ownership
  • Thrives in ambiguity
  • Fintech exposure (Render
  • Check
  • Stripe
  • Treasury APIs)
  • Experience with modular systems architecture

Salary: 190000 - 250000 USD

Equity: 0.05–0.5%

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