Lead Full-Stack Engineer jobs in United States
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The Flex · 7 hours ago

Lead Full-Stack Engineer

The Flex is redefining the future of global living by creating a seamless rental experience powered by their proprietary automation engine, Base360.ai. As a Lead Full-Stack Engineer, you will own the architecture and technical direction of the platform, focusing on web applications, APIs, and cloud infrastructure while delivering critical features and establishing best practices.

Property ManagementReal EstateRental Property
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H1B Sponsor Likelynote

Responsibilities

Own the Architecture
Define and evolve the technical architecture powering bookings, payments, availability, pricing, and guest experience
Lead by Building
Deliver critical features end-to-end across frontend, backend, and infrastructure — setting the bar for quality and speed
Design API-First Platforms
Architect scalable, well-structured APIs that connect Base360.ai to internal tools and external partners
Automate the Business
Build event-driven services and intelligent workflows that replace manual operations across the company
Integrate at Scale
Own and evolve deep integrations with platforms such as Airbnb, Stripe, Hostaway, and Twilio
Ship with Confidence
Deploy and operate serverless infrastructure on AWS, ensuring reliability, security, and global performance
Solve the Hard Stuff
Lead solutions for real-time booking sync, pricing intelligence, keyless access logic, AI-powered alerts, and live operational dashboards
Raise the Bar
Establish best practices, review critical code, and mentor engineers through example and technical clarity

Qualification

Node.jsReactAWS (serverless)System architectureAPI-first platformsPythonFastAPICode qualityPerformanceBuilder's mindsetReliability

Required

Strong senior-level experience with Node.js, React, and AWS (serverless)
Proven ownership of system architecture and complex distributed systems
Deep experience designing and scaling API-first platforms
A history of building production-grade systems used at real scale
High standards for code quality, reliability, and performance
A builder's mindset — you execute fast, think long-term, and enjoy responsibility

Preferred

Experience with Python / FastAPI for automation or data services (bonus)

Benefits

Top-of-market compensation with meaningful upside for exceptional leaders.
Remote-First

Company

The Flex

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The Flex is a property management company that offers rental houses and furnished apartments for students, travellers, and local families.

H1B Sponsorship

The Flex has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)

Funding

Current Stage
Growth Stage

Leadership Team

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Michael Buggy
COO
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Company data provided by crunchbase