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