We are hiring a Senior Kotlin Full-Stack Engineer to join a high-performance, fast-moving team building crypto and blockchain-based products for the U.S. market.

This role is ideal for a strong backend-focused engineer who also understands mobile development and thrives in an environment that values speed, ownership, and accountability. You will work directly with U.S.-aligned teams and must be comfortable operating independently while delivering at a high level.

If you have deep Kotlin expertise, blockchain experience, and enjoy building scalable systems in a fast-paced environment, this role is for you.

What You’ll Do

Backend & Full-Stack Development

• Design and develop scalable backend systems using Kotlin
• Contribute to mobile development initiatives (Android, iOS, or cross-platform)
• Build and maintain APIs and services powering crypto/blockchain applications
• Collaborate with cross-functional teams to ship production-ready features
• Ensure code quality, performance, and security best practices
  
  

Crypto & Blockchain Product Work

• Contribute to blockchain-based products and distributed systems
• Work on features involving digital assets, crypto integrations, or Web3 infrastructure
• Help architect secure and scalable solutions for crypto-native applications
  
  

Execution & Speed

• Operate in a U.S. time zone–aligned environment
• Deliver high-quality code under tight deadlines
• Take full ownership of features from design through deployment
• Use AI tools to improve development efficiency and productivity
  
  

Technical Requirements

What We’re Looking For

• 5+ years of professional software development experience
• Strong experience in Kotlin backend development
• Mobile development experience (Android, iOS, or cross-platform)
• Prior experience working on crypto or blockchain-based products (required)
• Experience building scalable APIs and distributed systems
• Comfort working independently in a fast-paced environment
• Proven ability to leverage AI tools to increase productivity
  
  

Personal Traits

• Strong portfolio and track record of shipped products
• Self-confident and comfortable owning responsibilities individually
• Clear communicator with strong English skills
• Comfortable collaborating across different cultures and time zones
• Delivery-oriented with a strong sense of accountability
  
  

Why This Role?

• Competitive LATAM salary: $6,000 – $6,500 USD per month
• Work directly with U.S.-based stakeholders
• Build cutting-edge crypto and blockchain products
• Join a team that values high standards, ownership, and speed
• Fully remote from Latin America
  
  

Company Overview

Our client is a global technology company with 19+ years of experience helping businesses evolve through cloud-native and digital transformation solutions. With 550+ employees worldwide and operations across the U.S., UK, Japan, Australia, and India, they deliver high-performance engineering solutions for modern enterprises.