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Senior Software Engineer

bareinsights
Posted 2 days ago, valid for 12 days
Location

Los Angeles, CA, US

Salary

$190,000 - $250,000 per year

Contract type

Full Time

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Sonic Summary

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  • Join a high-growth B2B SaaS company as a Senior Software Engineer on a cross-functional engineering team focused on the construction industry.
  • The role involves leading the design and delivery of complex technical products, with responsibilities spanning from frontend UI to backend API layers.
  • Candidates should have a minimum of 4 years of full-stack software engineering experience and a strong proficiency in Node.js, Express.js, MongoDB, and TypeScript.
  • The base salary for this position ranges from $190,000 to $250,000 USD annually, and visa sponsorship is not available.
  • The position is hybrid, with the primary location in Los Angeles, CA, though candidates from New York City or San Francisco may also be considered.

About the Role

Join a cross-functional engineering team at a high-growth B2B SaaS company building a modern operating platform for the construction industry. As a Senior Software Engineer, you'll lead the design and delivery of large, complex technical products end-to-end — shaping scalable infrastructure that directly impacts users and the business.

What You'll Do

  • Lead the design and implementation of large, complex technical features from conception to production.

  • Build and maintain modular full-stack infrastructure spanning frontend UI and backend API layers.

  • Develop data models and APIs, including integrations with financial and payroll services.

  • Collaborate closely with product, design, and business stakeholders to understand user needs and inform strategic decisions.

  • Deliver production-ready software using Node.js/Express.js, MongoDB, TypeScript, React, and React Native, deployed on Render.

  • Drive best practices in testing, performance, and security, and mentor peers to elevate engineering standards.

What We're Looking For

  • 4+ years of full-stack software engineering experience delivering production systems.

  • Proven track record of leading the end-to-end design and implementation of large, complex technical products.

  • Strong proficiency with Node.js, Express.js, MongoDB, JavaScript, and TypeScript.

  • Solid expertise in data modeling, API development, and building modular, scalable full-stack architecture.

  • Experience with React and React Native.

  • Familiarity with Stripe (Issuing, Treasury), Render, and Check is a strong plus.

  • Product- and user-oriented mindset with the ability to contribute to strategic product decisions.

  • Strong CS fundamentals and communication skills — able to articulate complex topics clearly to non-technical stakeholders.

  • Comfortable working independently in a fast-paced, early-stage environment with a founder's mindset.

  • No visa sponsorship available; must be authorized to work in the US.

Compensation & Benefits

Base salary range: $190,000 – $250,000 USD annually. Visa sponsorship is not available for this role.

Location

Hybrid — primary location is Los Angeles, CA. Candidates based in New York City or San Francisco may also be considered.




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