Senior Full-Stack Developer (React Native + Node.js)

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed AI-powered web and mobile applications. We partner with global startups to deliver products that are fast, scalable, and beautifully engineered.

💼 Role Overview

We’re looking for a Senior React Native/Node.js Developer to take a leading role in the development of a Mobile Networking App, while also contributing to two smaller parallel projects. This is a highly independent role where you’ll be expected to dive deep into complex tasks, make architectural decisions, and communicate directly with the client.
 

We’re open to starting with part-time collaboration and scaling to full-time, depending on your preference.
 

👥 Team & Projects

• Main project: Mobile Networking App (active development)
• Additional work: 2–3 smaller projects
• Team: Designer, Project Manager, Senior Full-Stack Developer (you), and occasionally a Middle Full-Stack Developer
   

✅ Requirements

• 5+ years in full-stack development (React Native + Node.js)
• Strong expertise in JavaScript (ES6+), React, React Native, Node.js
• Proven experience with app lifecycle & deployment (App Store / Google Play)
• Strong architectural thinking and ability to design scalable solutions
• Experience integrating databases (PostgreSQL, MongoDB, Firebase, Supabase, AWS DynamoDB, etc.)
• Strong experience with GCP / AWS
• Solid practical understanding of CI/CD pipelines and Git workflows
• AI integration experience in mobile/web apps
• Ability to take ownership, work independently, and deliver results
• English: B2+ level (direct client communication)
   

✨ Nice to Have

• Experience with AI-powered dev tools (ChatGPT, Cursor, Lovable, V0)
   

🧑‍💻 Working Conditions

• Hourly-based payment model (all overtime paid)
• Fully remote — work from anywhere
• Flexible schedule — overlap when needed, you manage your own time
• Easy time-off policy — no bureaucracy
• No screen trackers or micromanagement — focus on outcomes
• Work on cutting-edge AI products
• Opportunity to collaborate part-time or full-time
   

🔍 Hiring Process
1️⃣ Quick screening call (30 mins) OR Video presentation
2️⃣ Technical interview (1 hr)
3️⃣ Interview with management (optional)
➡️ Offer 🎉

Let’s connect! 🌍 We’re looking for sharp minds ready to build fast and clean.