Overview

Web3, DEFI Full Stack Engineer (Web3) - DEFI

Get AI-powered advice on this job and more exclusive features.

EQUITY - PART-TIME JOB

About Plyaz

The Onchain Home for Athletes and Fans

Plyaz is a decentralized platform that empowers athletes by enabling them to tokenize their careers, engage directly with fans, and secure funding for their journey. By leveraging blockchain technology, we are creating a transparent and inclusive ecosystem where talent meets opportunity. Fans become active participants in an athlete’s success, fostering deeper connections and mutual growth.

With a Web3-driven approach to sports funding and fan engagement, we are redefining how athletes grow their careers and how fans interact with sports—starting in Brazil and expanding globally.

The Role

• We’re looking for a Full Stack Engineer (Web3 & Tokenization) with strong expertise in TypeScript, blockchain development, and scalable architectures.
• You will be responsible for designing, developing, and maintaining our Web3 sports engagement platform, ensuring seamless interactions between fans and athletes through blockchain-based tokenization.

Why Join Plyaz?

• Remote-First Culture – Work from anywhere, we trust our team.
• Innovate at the intersection of Web3, sports, and fan engagement.
• Solve real-world Web3 UX challenges and redefine athlete monetization.
• Competitive equity and token incentives.
• Flexible work hours and a collaborative environment.
• Flexible Timezones – Work from anywhere we mean it.
• A Fresh Start, A Fresh Project – You will help define the architecture, stack, and development approach from day one.
• Direct Collaboration with the CTO – Shape the technical direction and drive core innovation.
• Grow your skills in a pioneering Web3 space.

Requirements & Responsibilities

• Backend: Node.js - Express or other frameworks.
• Database: SQL or NoSQL experience required.
• Blockchain Smart Contracts: Solidity (Ethereum preferred), Rust (Solana), or Substrate (Polkadot) - Exposure to multiple chains is a plus.
• Blockchain Interaction: Web3.js, Ethers.js.
• Authentication: 3rd Party providers such as NextAuth.js, Firebase Auth, Okta or others.
• Testing: Unit testing, E2E - Jest, React Testing Library.
• API Development: REST API experience required.
• Blockchain Tools: Hardhat, Foundry or similar
• Backend: Expert in NestJS (with TypeORM, Prisma, or similar, Cors, Rate Limiting and so on preferred)
• Frontend: SSR, Expert in NextJS + React
• Frontend State Management: Redux, MobX, Jotai, Signals, Zustand, or Recoil.
• Frontend Design Libs: Tailwind, MUI, Radix or similar
• Testing: Jest, React Testing Library, Storybook Testing, or Playwright.
• Blockchain Tools & Providers: The Graph, Alchemy, Moralis, Infura or similar.
• Infrastructure & DevOps: Vercel (preferred), AWS (preferred but not mandatory), or Cloudflare WAF.
• CI/CD & Monitoring: GitHub Actions (preferred), Docker (bonus), or Sentry (bonus).
• Scalability & Performance: Designing for high-performance, low-latency apps.
• Security: Strong understanding of attack vectors and preventative security measures.
• Database: Experienced to SQL and NoSQL - PostgreSQL preferred and Supabase is a bonus
• Authentication: NextAuth.js (preferred), Firebase Auth, Okta or similar
• API Development: GraphQL, Websockets is a plus.

What You'll Do

• Design & Develop: Build a scalable Web3 application, making key architectural decisions with the CTO.
• Tokenization & Smart Contracts: Develop tokenized assets for athletes, ensuring seamless blockchain interactions using Web3.js/Ethers.js.
• Full-Stack Development: Implement backend logic and frontend UX.
• Optimize Gas Fees & Transactions: Ensure efficient smart contract interactions with low gas costs.
• Security-First Development: Implement robust security measures to mitigate blockchain attack vectors.
• Web3 Onboarding & UX: Improve wallet integrations, authentication, and overall user flow.
• Scalability & Performance: Build a high-performance architecture using SQL (PostgreSQL), and cloud-based scaling solutions.
• Integrate Blockchain Infrastructure: Work with 3rd party providers to optimize blockchain data handling.

What We’re Looking For

• 3+ years of full-stack development experience (React, Next.js, Node.js, Web3).
• Strong knowledge of blockchain development (Solidity, Rust, or Substrate).
• Experience designing scalable Web3 solutions with REST APIs and SQL, NoSQL databases (PostgreSQL).
• Understanding of tokenomics & Web3 monetization models.
• Ability to architect and optimize blockchain transactions (low gas fees, high efficiency).
• Experience with Web3 authentication (wallet integrations, NextAuth.js preferred).
• Familiarity with DevOps and CI/CD pipelines (GitHub Actions, Docker is a plus).
• Proficiency in cybersecurity best practices for blockchain-based applications.
• Passion for Web3 innovation, decentralization, and open-source collaboration.
• Using Designers Tools like Figma for development while ensuring pixel-perfect, mobile first and responsiveness.

Bonus Points

• Experience in sports-tech or Web3 fan engagement platforms.
• Previous work on Web3 social networks, DAOs, or tokenized economies.
• Background in cryptography, zero-knowledge proofs, or MEV research.
• Built a Web3 startup or scaled a product from 0→1.
• Built Interactive UI using WebGL, Canvas, PixiJS, or complex animations (Motion UI or similar).
• Integrated Web3 payments (crypto gateways, stablecoins, etc.).
• Low-Level Programming: → Background in C/C++, Go Lang, Rust is a plus.
• Experienced TimescaleDB for handling time-series data.
• Experience in Web3 Payments - integrating crypto payment gateways or Web3 payments.
• Built and maintained private packages (example npm)
• Experienced building SDK(s) and publishing

How to Apply

• Apply using Easy Apply with your resume and Web3 full-stack project portfolio.
• If you do not meet all of the qualifications above, what matters most is that you are open to learning. We encourage you to apply - Let's have a chat over a coffee/tea!

Expiry status

IsExpired: false