Kilona.io

🚀 About Kilona.io

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

Right now, we’re looking for a Senior React Native + Node.js Developer who can take ownership of complex mobile products, contribute to backend architecture, and help scale modern AI-driven applications.

This role is ideal for someone who is deeply experienced in React Native development, comfortable making technical decisions, and confident working across both mobile and backend environments.

💼 What You'll Do

• Lead development and scaling of mobile applications using React Native
• Design, build, and optimize backend services and APIs using Node.js (Express.js)
• Improve application performance, scalability, and maintainability
• Collaborate closely with product, design, and engineering teams in a fast-moving remote environment
• Participate in technical planning, architecture discussions, and code reviews
• Help establish engineering best practices and maintain high code quality
• Mentor or support less experienced developers when needed

✅ Requirements

• 5+ years of commercial software development experience
• 4+ years of hands-on React Native experience (Expo OR CLI)
• Strong practical experience with Node.js and Express.js
• Experience designing and working with REST APIs and backend integrations
• Experience with databases and cloud services such as PostgreSQL, MongoDB, Firebase, Supabase, AWS DynamoDB, etc.
• Solid understanding of mobile architecture, app performance optimization, and production deployment
• Experience publishing and maintaining apps in the App Store and Google Play
• Good written and spoken English (B2+)

✨ Nice to Have

• Experience with CI/CD pipelines for mobile applications
• Experience working in startup or high-growth product environments
• Experience using AI-powered development tools (ChatGPT, Cursor AI, Lovable, V0, etc.) to speed up development
• Experience building scalable mobile products with strong backend logic

🧑‍💻 Working Conditions

• Hourly-based payment model
• Fully remote — work from anywhere
• Flexible schedule with focus on ownership and results
• Easy time-off policy — no unnecessary bureaucracy
• Work on innovative AI-driven products with a highly skilled international team
• Fast decision-making and direct communication

🔍 Hiring Process

1. Intro call or short screening (20–30 mins)
2. Technical interview (up to 1 hour)
3. Final interview (optional)
4. Offer 🎉

Interested? Let’s talk! 📨

We’re always excited to meet experienced engineers who love building ambitious products.

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed web and mobile applications. We work with top global startups to create reliable, scalable, and well-engineered products.

The project focuses on building and maintaining iOS application with clean architecture, strong performance, and seamless user experience.

💼 What You'll Do

• Develop and maintain iOS applications using Swift (UIKit and/or SwiftUI)
• Build clean and scalable app architecture
• Integrate REST APIs and third-party services
• Ensure high performance and responsiveness of applications
• Fix bugs and improve application stability
• Collaborate with backend developers and team members

✅ Requirements

• 3+ years of commercial experience in iOS development
• Experience with UIKit and/or SwiftUI
• Understanding of architecture patterns (MVC, MVVM, Clean Architecture)
• Experience working with REST APIs
• Understanding of iOS app lifecycle and memory management
• Experience with Git
• English level - B2 or higher

✨ Nice to have

• Experience with App Store submission and TestFlight
• Experience with CI/CD for mobile apps
• Experience with third-party SDK integrations
• Experience using AI-powered dev tools (ChatGPT, Cursor, etc.)

🧑‍💻 Working Conditions

• Hourly-based payment model (overtime is always paid)
• Fully remote - work from anywhere
• Flexible schedule - you manage your own time
• Easy time-off policy - no bureaucracy
• Work on AI-driven products in a fast-paced team

🔍 Hiring Process

1. Video intro OR screening call (20 - 30 mins)
2. Technical interview (up to 1 hour)
3. Final interview (optional)
4. Offer 🎉

Interested? Let’s talk! 📨

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed web and mobile AI applications. We work with top global startups to create cutting-edge products that are fast, precise, and beautifully engineered. 

The project focuses on building and scaling mobile applications with strong backend logic, product analytics, and attribution systems. We need someone who is comfortable not only with React Native development, but also understands backend processes and mobile analytics integrations like AppsFlyer, PostHog, and Amplitude.

✅ Requirements

• 2+ years of hands-on experience with React Native (Expo OR CLI)
• Practical experience working with Node.js (Express.js)
• Experience with REST APIs and integrating databases (e.g., PostgreSQL, MongoDB, Firebase, Supabase, AWS DynamoDB, etc.)
• Good communication skills in English (B2 level or higher)
   

✨ Nice to have

• Experience with mobile app deployment (App Store, Google Play)
• Understanding of CI/CD pipelines for mobile apps
• Experience using AI-powered dev tools (e.g. ChatGPT, Cursor AI, Lovable, V0) to speed up development
   

🧑‍💻 Working Conditions

• Hourly-based payment model (overtime is always paid)
• Fully remote — work from anywhere
• Flexible schedule — we appreciate team overlap but you manage your own time
• Easy time-off policy — take days off when you need, no bureaucracy
• Work on cutting-edge AI products in a fast-paced and supportive environment

🔍 Hiring Process

1. Video intro OR Quick screening call (20 - 30 mins)
2. Technical interview (up to 1 hour)
3. Final interview (optional)
4. Offer 🎉

Interested? Let’s talk! 📨 Drop us a message — we’re always open to meeting like-minded people.