Full-Stack Engineer – Remote

Overview The Flex is on a mission to transform the rental sector globally. We believe renting a home should be as seamless as buying an item online. Our vision is to give tenants the freedom to rent anywhere in the world while enabling landlords to manage their properties with ease — without high fees or unnecessary complexity. We’re building a small, dynamic team of A-Players committed to growth and ready to scale The Flex into a global powerhouse. If you’re ambitious, hungry to learn, and want to play a pivotal role in shaping the future of rental operations, this is your opportunity. Position Summary As a Full-Stack Engineer , you will help build and maintain the digital backbone of The Flex — from booking workflows to automation of property operations. You’ll work on projects that span front-end and back-end development, cloud deployment, integrations with external systems, and the automation of key workflows. This role is ideal for a problem-solver who thrives in fast-paced environments and is excited about driving efficiency through technology. Responsibilities Full-Stack Development: Design, build, and maintain scalable applications that power reservations, guest communications, and operational workflows. Integrations: Develop and optimize APIs to connect with booking channels, payment processors, and communication tools. Automation & Scripting: Build tools to automate property management tasks (check-ins, check-outs, reporting, notifications). Deployment & Cloud Management: Manage serverless cloud infrastructure and ensure smooth deployment of new features. Problem-Solving & Debugging: Diagnose and resolve issues across the stack, from booking logic to third-party integrations. Collaboration & Communication: Partner with operations and product teams to ensure software solutions match real-world needs. Code Quality: Maintain clean, scalable code with CI/CD pipelines, testing frameworks, and code reviews. What We’re Looking For Strong proficiency in Node.js, React, and AWS Cloud. Experience with serverless applications and cloud infrastructure. Solid understanding of API design and integrations. Familiarity with FastAPI, Python, and scripting (a plus). Experience in automation for operational systems (preferably real estate, travel, or rentals). Excellent communication and collaboration skills. Adaptability and a proactive, solution-oriented mindset. Why Join The Flex Be part of an innovative, fast-growing company revolutionizing rental operations. Shape scalable digital solutions in a global market. Competitive salary with performance-based incentives. Hands-on experience in a high-growth entrepreneurial environment with opportunities to advance. You Should Not Apply If You are looking for a corporate 9 to 5 job You are political and enjoy gossiping and talking about people behind their backs. You are looking for a stable and slow dead-end job You do not aim to be one of the best in the world at what you do Seniority level Entry level Employment type Full-time Job function Engineering and Information Technology Referrals increase your chances of interviewing at The Flex by 2x Open roles Community Software Engineer (Remote Europe) Software Engineer Iii, Fullstack, Quickpack (Remote) Software Engineer - Integrations, Crawler Software Engineer, iOS Core Product - Europe Senior Software Engineer, AI Model serving (Europe) Senior Full Stack Frontend Engineer (React + PHP) Software Engineer, Data Infrastructure & Acquisition - Europe We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr