Web3, DEFI Full Stack Engineer (Web3, Defi & Tokenization)

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.

🌐 Website: https://plyaz.co.uk

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.

Tech Stack

✅ Mandatory

Frontend: React, SCSS, SCSS Modules, JavaScript/TypeScript, Next.js.

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

➕ Preferred & Bonus Skills

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.

✅ Deploy & Monitor: Maintain CI/CD pipelines.

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!