Senior Full Stack MERN Developer — Founding Engineer (New SaaS Product)

🌍 Remote, USA 🎯 Full-time 🕐 Posted Recently

Job Description

Remote Leverage, a talent startup based in California, USA, is building and launching a new, independent SaaS platform backed by a proprietary talent dataset, and we’re hiring a Senior Full Stack MERN Developer to join as a founding engineer.

This is a remote role focused on building a standalone product with external customers, real scale, and long-term ambition — not client work and not internal tooling.

About the Product

We’re developing a proprietary software platform designed to transform how companies discover, evaluate, and hire remote talent at scale.

The product already has a functioning MVP and early validation. Your role will be to take it from “working” to production-ready — ensuring it is stable, scalable, secure, and polished enough for a public launch and real-world usage.

This is a hands-on, execution-heavy role with significant ownership and influence over the product’s technical direction.

    What You’ll Be Responsible For
  • Taking an existing MVP and bringing it to market-ready, production quality
  • Designing and refining backend APIs and data models
  • Improving frontend UX, usability, and performance
  • Ensuring the system is stable, secure, and scalable
  • Identifying and resolving edge cases, bugs, and technical debt
  • Making pragmatic architectural decisions that support long-term growth
  • Working closely with the founder to move fast while maintaining engineering discipline
  • Writing clean, maintainable, well-structured TypeScript
  • Applying a product-minded engineering approach, not just feature delivery
  • Thriving in an environment with ambiguity, iteration, and evolving requirements
    Must-Have Skills & Experience
  • 5+ years of professional experience as a Full Stack Developer or similar role
  • Strong experience with TypeScript across frontend and backend
  • Solid React experience building production-grade user interfaces
  • Experience building Node.js / Express APIs
  • Experience working with MongoDB in production environments
  • Proven track record of shipping and maintaining real-world SaaS products
  • Ability to move a product from “it works” → reliable, scalable, and usable
  • Strong product-minded engineering mentality
  • Comfortable working without rigid specs and iterating quickly
  • Fluent English, written and verbal
  • Professional, collaborative, and proactive
  • Open to feedback and continuous improvement
    This Role Is a Great Fit If You
  • Enjoy taking ownership of real products from early stages
  • Like working close to founders and decision-makers
  • Have shipped SaaS products before and know where MVPs tend to break
  • Care deeply about code quality, maintainability, and scalability
  • Want meaningful impact on a product with real market potential

Interested? Apply now!

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