About JAN3

We are JAN3, a Bitcoin technology company focused on expanding access to Bitcoin and financial freedom around the world. We’re a startup founded by Samson Mow, who is best known for his work with El Salvador’s Bitcoin initiatives, and his efforts in nation-state Bitcoin adoption around the world. Our mission is to accelerate hyperbitcoinization, providing tools for individuals, enterprises, and nation-states to benefit and be part of a free and open financial system based on Bitcoin.

Summary

We are looking for a Back-end Developer with experience in Rust and Flutter. You will be responsible to work with product, design, and front-end developers to develop mobile applications that are intuitive and user-friendly. API integration and working with GDK (Blockstream Green Development Kit) will be a major area of focus, along with building back-end services for our applications. You will have the flexibility to manage your work activities independently in a remote setting.

Responsibilities

• Develop high-quality and user-friendly mobile applications and back-end infrastructure
• Maintain integrations with libraries and dependent systems
• Collaborate with product, design, and front-end team to implement desired features and designs 
• Integrate third-party APIs with the mobile applications to provide seamless functionality
• Monitor and optimize mobile application performance and resolve issues to maintain desired quality standards
• Test the applications and report issues or bugs

Requirements

• 3+ years of experience in back-end development
• Bachelor’s degree in Computer Science or related fields
• Proficiency in Rust and C++
• Experience and skill with the Flutter mobile development framework
• Experience with GDK
• Experience with API integration
• Excellent problem-solving and analytical skills
• In-depth understanding of Bitcoin and Layer 2 technologies such as Liquid and Lightning
• Experience in using project management tools for tracking tasks and progress
• Excellent communication and presentation skills to collaborate with other team members
• Strong independency to manage own work activities 
• Located in Latin America