Full Stack Engineer (Java + React + AI-Accelerated Development)

About Stayflexi Stayflexi is a modern, all-in-one operating system for hotels and vacation rentals. We are building the next generation of hospitality technology — combining automation, intelligence, and seamless user experience to power properties globally. We move fast, solve real-world problems, and are deeply focused on building scalable, high-performance systems. Role Overview We are looking for a Full Stack Engineer who thrives in a fast-paced environment and is excited about building scalable products using modern technologies. This role requires strong backend fundamentals, frontend craftsmanship, and a curiosity to leverage AI-powered coding tools to accelerate development. Key Responsibilities • Design and develop scalable backend services using Core Java and Spring Boot • Build responsive and high-performance web applications using ReactJS and Next.js • Develop and maintain mobile applications using React Native • Work extensively with relational databases (MySQL/PostgreSQL) — schema design, optimization, and query efficiency • Collaborate with product and design teams to deliver intuitive user experiences • Write clean, maintainable, and production-grade code • Continuously improve performance, reliability, and scalability of systems • Leverage modern AI coding agents like OpenAI Codex and Claude to accelerate development workflows Required Skills • Strong proficiency in Core Java • Hands-on experience with Spring Boot • Solid experience in ReactJS and Next.js • Experience building mobile apps using React Native • Strong understanding of relational database fundamentals • Indexing, query optimization, schema design • Good understanding of REST APIs and system design principles • Familiarity with Git and modern development workflows What We're Looking For • Engineers who move fast and take ownership • Strong problem-solving mindset and attention to detail • Passion for building high-quality, scalable systems • Curiosity and excitement to adopt AI-driven development workflows • Ability to work independently and in a team Nice to Have • Experience with AWS or cloud infrastructure • Exposure to event-driven systems (Kafka, queues, etc.) • Prior experience in SaaS or hospitality tech Why Join Us • Work on a product used by hotels globally • Opportunity to build at scale with real-world impact • High ownership and fast growth environment • Be at the forefront of AI-assisted software development