The opportunity timeline

• Overview

  Square is hiring a Node.js Developer in Concord, NH.

• Role description

  This freelance Node.js Developer seat at Square pays $76,000 - $109,000 and comes with a backlog of genuinely interesting technology problems. Square frames it as a partnership — $76,000 - $109,000 for your 4 years, ownership of technology work, and growth shared both ways.

  Key Responsibilities

  • Untangle the GitHub Actions dependency knots that have slowed Concord releases for months
  • Hand off Node.js runbooks so the next on-call at Square sleeps better
  • Trace a technology number back through Node.js services until it finally adds up
  • Walk technology stakeholders through Flask tradeoffs in language Square execs grasp
  • Decide when to buy Flask versus build it for Square's Concord, NH stack
  • Mentor junior engineers and contribute to a strong code-review culture
  • Identify bottlenecks and propose architectural improvements proactively

  What You'll Bring

  • A communicator who can disagree without making it personal
  • 3 years of Attention to Detail práctica, plus a hunger for what's next
  • Proven leadership experience guiding mid-level-level initiatives
  • Real proficiency with Flask, plus willingness to learn Ruby fast
  • A history of leaving technology processes better than you found them
  • Track record that proves you can service-minded ship under deadline pressure

  People choose Square because we pair trust-the-team technology with a team that genuinely cares, right here in Concord. You'll find a flat structure where the best argument wins, regardless of title.

  Salaries here begin at $76,000 - $109,000, complemented by stock options, learning budgets, and weekly one-on-one coaching.

  Applications submitted this week are going straight into our current review cycle.

  Interested? click apply and tell us why you're the right person for this role.

• Required skills

  • Rust
  • GitHub Actions
  • Ruby
  • Agile
  • Webpack
  • Flask
  • Node.js
  • Analytical Thinking
  • Attention to Detail
  • Decision Making

• Benefits & perks

  • Equipment Allowance
  • Hybrid work schedule
  • Tenure-based rewards
  • 401(k) retirement plan
  • Tuition Reimbursement
  • Disability Insurance
  • Paid paternity leave
  • Quarterly all-hands meetings

• Apply before 2026-08-26

  Submit your application for this Freelance technology position.