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Senior React Native Engineer, Crypto

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.

Clients seek out our help because we have the talent to deeply understand their needs and provide industry, technical, or product insights that are uniquely valuable to their efforts. Our clients range from early-stage startups and venture studios to recognizable commerce brands and exciting enterprises. Some of our notable clients include Google, Shopify, Coinbase, Alchemy, Hinge, OVO, DIMO, and more.

We are a remote-first organization headquartered in Toronto, Ontario, with employees worldwide. We believe in providing the best experience possible for all Lazerites by fostering a strong community through regular events, company vacations, competitive compensation, unlimited PTO, and more!

Join Lazer and help us solve problems and build the next generation of products!

Lazer Crypto is a specialized team within Lazer, comprising more than 20 full stack, web3 native engineers dedicated to building modern dApps and web3 solutions. This team helps founders and growing teams accelerate their product launches across various blockchain ecosystems. Our notable web3 clients include Berachain, Base, Privy, Polymarket, Uniswap, Alchemy, and others. Our team is distributed across North America, combining deep technical expertise with a commitment to being kind, supportive collaborators who build exceptional products.

Who You Are

  • 5-8 years of professional experience in software development, with at least 2 years focused on blockchain and crypto projects.

  • Deep expertise in React Native, with a strong track record of building and shipping high-quality mobile applications.

  • Strong proficiency in TypeScript, React, and Node.js, with experience integrating web3 technologies into mobile applications.

  • Experience designing and maintaining SDK packages for React Native and native mobile platforms (Swift, Kotlin) to enable seamless developer adoption and integration; experience with Unity or Flutter is a plus.

  • Passion for crypto and building world-class dApp experiences.

  • Deep knowledge and curiosity about mobile crypto products, with a focus on building innovative experiences in social, DeFi, NFTs, and other web3 verticals.

  • Solid understanding of Web3.js, Ethers.js, and mobile-optimized blockchain interactions. Familiarity with tools like WalletConnect, Dynamic, RainbowKit, and Phantom.

  • Strong knowledge of mobile app performance optimization, security best practices, and DevOps for mobile applications.

  • Familiarity with backend services and APIs, including GraphQL and Firebase.

  • Someone who thrives in consulting, enjoys solving complex technical challenges, and loves delivering seamless mobile experiences.

  • You are self-sufficient, proactive, and value autonomy.

What You'll Do

  • Design, develop, and deploy world-class mobile dApps for clients across DeFi, NFTs, gaming, and infrastructure projects.

  • Work across EVM and SVM ecosystems, ensuring smooth and performant blockchain interactions on mobile.

  • Optimize mobile UX for web3 applications, integrating wallet connections, transactions, and decentralized storage seamlessly.

  • Collaborate with top-tier crypto teams, guiding them from concept to launch with deep technical expertise.

  • Lead mobile architecture decisions, ensuring scalability, security, and a high-quality user experience.

  • Stay on the cutting edge of mobile web3 trends, experimenting with new technologies and bringing innovative solutions to clients.

Why Work With Us

  • 🚀 Accelerate Your Growth: Work across multiple blockchain ecosystems and cutting-edge projects with a team that ships fast.

  • 💥 Maximize Impact: Shape the future of web3 by helping ambitious projects reach their potential.

  • 🏅 True Ownership: Everyone ships code and has real autonomy with minimal meetings.

  • 💻 Remote-First Culture: Work from anywhere in North America with competitive compensation.

  • 💡 Continuous Learning: Be part of a team of engineers who love learning and knowledge sharing.

Why This Might Not Be For You

  • 🐂 You're Not Web3 Bullish: We're all in on web3's potential and need teammates who share this vision.

  • 🏗️ You Crave High Structure: We thrive in an autonomous, fast-moving environment, which means you need to be comfortable with some ambiguity.

  • 😴 You Prefer Conventional Careers: Our consulting approach involves varied projects and direct client interaction — it's not for everyone.

  • 1️⃣ You Like Staying in One Lane: Our projects require adapting to different tech stacks and blockchain ecosystems quickly.

Benefits & Perks

  • 🌐 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.

Average salary estimate

$150000 / YEARLY (est.)
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$120000K
$180000K

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What You Should Know About Senior React Native Engineer, Crypto, Lazer

At Lazer, we’re thrilled to invite a talented Senior React Native Engineer with a passion for crypto to join our innovative team! As a key member of Lazer Crypto, you’ll leverage your extensive experience to design, develop, and deploy cutting-edge mobile decentralized applications (dApps) that revolutionize the way users interact with blockchain technology. With a strong focus on React Native, TypeScript, and web3 technologies, you will collaborate closely with crypto teams, guiding them from concept to launch while ensuring top-notch user experiences across DeFi, NFTs, and gaming projects. You'll have the chance to optimize mobile UX, integrate wallet connections, and dive deep into the vibrant world of blockchain. Working with top-notch clients and alongside exceptional developers and designers, each day at Lazer will present you with new exciting challenges and opportunities to excel. If you’re someone who enjoys autonomy and takes ownership of your work while thriving in a dynamic, remote-first environment, we can’t wait to see how your unique skill set will contribute to our mission. Join us at Lazer and be part of shaping the future of web3!

Frequently Asked Questions (FAQs) for Senior React Native Engineer, Crypto Role at Lazer
What are the main responsibilities of a Senior React Native Engineer at Lazer?

As a Senior React Native Engineer at Lazer, your responsibilities will include designing and developing mobile dApps for clients in the crypto space, optimizing mobile UX for various applications, and ensuring seamless wallet connections and transactions. You'll collaborate with top-tier crypto teams, lead mobile architecture decisions, and stay updated on the latest in mobile web3 trends to deliver high-quality experiences.

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What qualifications are required to become a Senior React Native Engineer at Lazer?

To qualify for the Senior React Native Engineer position at Lazer, you should have 5-8 years of experience in software development, including at least 2 years focused on blockchain and crypto projects. Proficiency in React Native, TypeScript, and web3 technologies is critical, along with a solid understanding of mobile application design and development practices.

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How does Lazer support the personal and professional growth of Senior React Native Engineers?

At Lazer, we emphasize continuous learning and knowledge sharing among our team. Senior React Native Engineers will have the opportunity to work across various blockchain ecosystems, engage in challenging projects, and participate in regular team retreats for professional development and community building. We also offer competitive compensation and unlimited PTO to ensure a balanced work-life experience.

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What perks can Senior React Native Engineers expect when working at Lazer?

Working at Lazer as a Senior React Native Engineer comes with an array of perks, including the flexibility to work remotely from anywhere in North America, unlimited PTO for a healthy work-life balance, and opportunities for team retreats to exciting locations. Additionally, you’ll enjoy a culture of autonomy and the ability to work on diverse projects across the web3 landscape.

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What is the company culture like at Lazer for a Senior React Native Engineer?

Lazer prides itself on having a remote-first culture that values autonomy, collaboration, and innovation. As a Senior React Native Engineer, you'll be part of a supportive team of experts who share a passion for developing exceptional products in the crypto space. Our approach is dynamic and entrepreneurial, focusing on delivering high-quality work while maintaining a positive community spirit.

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Common Interview Questions for Senior React Native Engineer, Crypto
Can you explain your experience with React Native in mobile app development?

When answering this question, be sure to highlight specific projects you've worked on using React Native, detailing your role and contributions. Mention the features you implemented, challenges you faced, and how you ensured the app's performance and user experience were top-notch.

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How do you integrate web3 technologies into mobile applications?

Discuss specific web3 technologies you've used, such as Web3.js or Ethers.js, and provide an example of how you’ve integrated them into a mobile application. Be clear about the challenges you faced during integration and the solutions you employed to overcome them.

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What strategies do you use for mobile app performance optimization?

Share your techniques for optimizing mobile applications, such as lazy loading, efficient asset management, and optimizing UI rendering. Providing metrics to demonstrate improvements in performance will strengthen your answer.

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Describe your experience with designing and maintaining SDK packages for mobile platforms.

Here, discuss your approach to designing SDK packages, including any specific tools or methodologies you employed. Highlight how your SDKs improved developer adoption and provide examples of successful projects that utilized your packages.

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How do you handle client interaction in your role?

Talk about your approach to communication, including how you gather requirements and provide updates to clients. Emphasize your ability to manage client expectations and deliver results that align with their vision.

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What mobile app security best practices do you follow?

Mention best practices you adhere to, such as secure coding techniques, regular vulnerability assessments, and implementing authentication protocols. Give examples demonstrating your knowledge of security standards relevant to mobile applications.

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How do you keep yourself updated with the latest web3 trends?

In your answer, explain your methods for staying informed, whether it’s through online courses, industry conferences, or engagement with web3 communities. Mention specific resources you trust for credible information.

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Can you provide an example of a complex technical challenge you solved?

Share a specific challenge you encountered in a project and detail how you approached it. Emphasize your problem-solving skills and the outcome of your solution, highlighting its impact on the project's success.

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What role do you believe mobile architecture plays in dApp development?

Discuss the importance of mobile architecture in ensuring the scalability, security, and performance of dApps. Provide insights into your experience with architectural design in past projects and its relevance to current technologies.

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How do you plan your work to meet project deadlines?

Outline your planning methods, including techniques for setting milestones and prioritizing tasks. Discuss how you stay flexible while managing time efficiently to accommodate any changes during the project lifecycle.

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EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
March 15, 2025

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