Kilona.io

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

πŸš€ 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.

πŸ’Ό 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.
 

πŸ‘₯ 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
     

βœ… 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)
     

πŸ§‘β€πŸ’» Working Conditions

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

πŸ” Hiring Process
1️⃣ Quick screening call (30 mins) OR Video presentation
2️⃣ Technical interview (1 hr)
3️⃣ Interview with management (optional)
➑️ Offer πŸŽ‰


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

Required languages

English B2 - Upper Intermediate
React Native, ES6+, JavaScript, TypeScript, REST API, API Integration, GCP/AWS, SQL/NoSQL Databases, Node.js + Express.js, CI/CD pipelines
Published 12 June Β· Updated 24 September
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