Full-Stack Software Engineer

Sitewire
Austin, USAFull-time$130,000–$200,000Posted Aug 27, 2026

About the role

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Software Engineer

Salary

$130k – $200k + Equity

Company Description

Sitewire is a profitable, PropTech VC-backed construction finance platform that recently raised a $3M Seed round to build the infrastructure for America's next housing boom. The company provides mission-critical software that helps lenders track project progress and automate work verification, currently growing 3x organically per year while serving top-tier private lenders.

Job Description

As a Full-Stack Software Engineer at Sitewire, you will build and ship mission-critical platform capabilities for construction lenders. Working in a hands-on IC capacity, you'll scope features, maintain alignment across web and mobile platforms, and help migrate a legacy monolith to a modern TypeScript/React stack while serving over a third of the nation's top private lenders.

Location

Austin, USA

Why this role is remarkable

Join a profitable startup backed by all-star PropTech VCs that is already growing 3x organically per year while solving high-stakes construction infrastructure problems.

Work directly with a mature founding team, including a CEO who is a serial entrepreneur with multiple exits and experience as a VC and corporate development professional.

Scale a mission-critical platform that is essential to its users' daily operations, cutting construction draw turnaround times from several days down to just hours.

What You Will Do

Scope, develop, and ship new product features end-to-end using TypeScript, React, and React Native to ensure seamless functionality across both web and mobile experiences.

Manage the complete application lifecycle, including rigorous automated testing, release management, and proactive performance monitoring to maintain high system reliability and engineering velocity.

Help migrate core services from a legacy Ruby on Rails monolith to a modern architecture while writing clean, maintainable code that keeps the codebase healthy as the team scales.

The ideal candidate

Brings roughly 7 years of professional experience with deep mastery of React and solid backend engineering skills in modern typed languages such as TypeScript.

Has a proven track record of shipping and maintaining production-grade application code in fast-paced environments where they successfully managed ambiguity and took high initiative.

Exhibits a customer-first mindset and the ability to collaborate effectively within a fully remote team during the core collaboration window of 11am-3pm Mountain Time.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

Jack's an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack's network.

If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

Responsibilities

  • Scope, develop, and ship new product features end-to-end using TypeScript, React, and React Native
  • Manage the complete application lifecycle, including rigorous automated testing and release management
  • Help migrate core services from a legacy Ruby on Rails monolith to a modern architecture

Qualifications

  • Roughly 7 years of professional experience with deep mastery of React
  • Solid backend engineering skills in modern typed languages such as TypeScript
  • Proven track record of shipping and maintaining production-grade application code

Benefits

  • Equity

Skills mentioned

TypeScriptReactReact NativeFrontend DevelopmentMobile DevelopmentBackend DevelopmentRuby on RailsSoftware TestingPerformance OptimizationSystem Design

About Sitewire

Meet Jack and Jill. Two AI agents that introduce remarkable people to remarkable companies. Jack is an AI agent that finds your next job and helps you land it. Already helping over 230,000 people take the next step in their career. Jill is an AI agent for recruiting. Already helping thousands of companies make their next great hire. Here's where it gets interesting. Jack and Jill work together. Jack knows what professionals are looking for, long before they're ready to move. Jill knows what thousands of companies need, far beyond what's written in the job description. When both sides match, they introduce the candidate and the decision maker directly. No cold outreach. No black hole. Just warm introductions that work.

Technology2-10 employees