Sr. Kotlin Full-Stack (ONLY LATAM)

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 the 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 **What We’re Looking For** **Technical Requirements** * 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.