Senior Blockchain Mobile Engineer - Contractor (Kotlin/Unity) - Remote

Overview

Lazer is a world-class digital product studio composed of 80+ senior engineers and designers with backgrounds from companies like Apple, Google, Coinbase, and more. With our product experience, we have designed, engineered, and grown products from $0 to $200M in revenue.

In Short

• 5-8 years of professional experience in software development, with at least 2 years focused on blockchain and crypto projects.
• Advanced expertise in Kotlin for Android development and/or Unity for cross-platform mobile application development.
• Proficiency implementing sophisticated animations using Android's native animation frameworks or Unity's particle and animation systems.
• Strong knowledge of TypeScript, React, and Node.js, with demonstrated experience integrating web3 technologies into mobile applications.
• Experience designing and maintaining SDK packages for Android (Kotlin) and/or Unity to enable seamless developer adoption and integration.
• Deep knowledge of mobile crypto products, with expertise creating innovative experiences in DeFi, NFTs, GameFi, and other web3 verticals.
• Advanced understanding of Web3.js, Ethers.js, and mobile-optimized blockchain interactions.
• Expert knowledge of mobile app performance optimization, memory management, and security best practices for handling private keys on mobile devices.
• Problem-solver who thrives in consulting environments, enjoys technical challenges, and delivers exceptional mobile experiences.
• Self-sufficient, autonomous engineer who takes ownership of projects with minimal supervision.

Requirements

• Design, architect, and implement sophisticated mobile dApps and blockchain applications for industry-leading clients across DeFi, NFTs, gaming, and infrastructure projects.
• Develop cross-chain mobile applications with smooth, performant blockchain interactions across Ethereum, Solana, and emerging L1/L2 ecosystems.
• Create frictionless wallet experiences with optimized connections, transaction signing flows, and secure key management solutions for mobile.
• Collaborate with founders and technical leaders to shape mobile blockchain strategy and implementation roadmaps.
• Make critical technical decisions ensuring scalability, security, and exceptional user experiences on Android and/or Unity platforms.
• Deliver high-quality code that meets performance benchmarks and security requirements.
• Stay at the forefront of web3 mobile technologies, experimenting with emerging solutions and bringing innovations to client projects.

Benefits

• 🌐 Work From Anywhere: Choose your workspace — all you need is strong wifi and a passion for building!
• 🧘‍♂️ Work / Life Balance: We believe in our team’s ability to have it all; a great career, and time to unplug and live…you know...life.
• 💪 Flexible Employment: Want to work full time or on contract? You choose! Work with us in the way that suits you best, with pay that's competitive.
• 🏖️ Unlimited PTO: Everyone needs a break. Take at least 15 days off a year, and more if you need—just be cool about it and keep the team in mind.
• 🎉 Regular Team Retreat: Join us for a week of team bonding at amazing destinations. Recent trips include the Dominican Republic, Cancun, and Hawaii — plus ones welcome.