Today, more than 20 industries are already being positively shaped by this next generation of apps built on the peaq network. This is an opportunity to join a team of performance-driven entrepreneurs, engineers, and creatives, on a mission to unlock the Age of Abundance.

We’re looking for a skilled and detail-oriented Full Stack Developer to join our tech team and help build products that meet the highest quality standards and contribute to an exceptional user experience.

Responsibilities

• Develop and maintain Web3 applications using Next.js (frontend) and Node.js (backend).

• Build decentralized applications (dApps) that integrate with smart contracts.

• Work with Ethereum, Polygon, and other blockchain networks to interact with smart contracts using Web3.js, Ethers.js, or Viem.

• Implement and integrate ERC-20, ERC-721 (NFTs), and ERC-1155 token standards.

• Optimize frontend and backend performance for scalability, security, and usability.

• Build robust APIs and services using RESTful APIs and GraphQL.

• Collaborate with blockchain engineers, designers, and product teams to create seamless user experiences.

• Write clean, modular, and well-documented code following SOLID principles and Web3 best practices.

• Stay updated with the latest trends in Web3, blockchain development, and smart contract integration.

Basic Qualifications & Requirements

• 3+ years of experience as a Full Stack Developer.

• Proven experience working with JavaScript & TypeScript.

• Some experience working with Next.js, React.js, and Node.js for full stack development.

• Hands-on experience with blockchain and Web3 development.

• Proficiency with Web3.js, Ethers.js, or Viem to interact with smart contracts.

• Understanding of Ethereum Virtual Machine (EVM), Solidity, and smart contract development.

• Experience working with ERC-20 tokens, NFTs (ERC-721, ERC-1155), and DeFi protocols.

• Backend experience with Express.js, Nest.js, or similar frameworks.

• Familiarity with IPFS, The Graph, Moralis, or Alchemy for blockchain data access.

• Strong understanding of security best practices in Web3 applications.

• Experience with databases such as PostgreSQL, MongoDB, or Firebase.

• Version control with Git/GitHub and CI/CD pipelines.

Preferred Skills & Experience

• Experience with Solidity and smart contract development.

• Familiarity with Layer 2 solutions (Arbitrum, Optimism, zkSync, etc.).

• Knowledge of DeFi, DAOs, or NFT marketplaces.

• Understanding of decentralized storage solutions (IPFS, Arweave, Filecoin).

• Experience working with Python for blockchain data processing.

• Cloud services expertise (AWS, GCP, Azure).

Benefits

• Remote first. You’ll be joining a team working from all over the world.

• Flexible working arrangements. Create your own journey with flexible working schedules and locations.

• The opportunity to build and contribute to high-impact projects in a new industry that will positively shape the lives of hundreds of millions of people.

• High growth potential. Room to grow professionally, while learning new skills and working at the cutting edge of the decentralized Machine Economy.

• A warm and open culture at an international organization with team members from all four corners of the globe.

• An environment that values autonomy, team spirit and open communication.

We look forward to building the future with you.

Apply Now:

Job overview:

We’re looking for a Front-End Developer to join our team as we bring Cork to market and build out the product and developer ecosystem. This role is ideal for a developer who is not only skilled in front-end engineering and Web3 development but also has experience in designing onboarding funnels, managing product analytics, and building compelling data displays to optimize user activation, conversion and retention.

Key Responsibilities:

• Front-End Development: Build, maintain, and optimize our React/Next.js-based Web3 front-end.
• Web3 Integration: Implement smooth user interactions with smart contracts using ethers.js, viem, wagmi, and other Web3 libraries.
• User Experience Optimization: Identify and reduce friction in user flows based on behavioral data, funnel drop-off points, and user feedback.
• Performance Optimization: Enhance UI/UX speed, responsiveness, and accessibility.
• Ad-hoc Product Support: Provide insights on feature prioritization, UX design improvements, and A/B testing strategies.

Requirements

• 5+ years of experience in front-end development; 2+ years in blockchain preferred
• Proficiency in complex ABI-encoded data structures, including nested structs and dynamic types, handling decimals and rounding.
• Experience working with the Permit2 and ability to efficiently batch multiple on-chain calls using Multicall or similar meta-transactions
• Ability to filter smart contract event logs, identify storage slots for simulating smart contract calls and async loading using react.lazy, suspense and dynamic imports.
• Strong background with timeseries data with proficiency in rendering charts of different granularity using libraries like ECharts, AntV.vision, or ApexCharts
• Experience working with RESTful APIs and GraphQL Data Management techniques such as Schema Stitching, Subscriptions and Client-side Caching.
• Proven experience designing onboarding funnels and improving user activation and usage based on user behavior
• Understanding of UI/UX principles and ability to implement high-quality, conversion-optimized interfaces.
• Ability to work independently in a fast-moving, startup-like environment.

OpenSea is looking to hire a Staff Frontend Engineer to join their team. This is a full-time position that can be done remotely anywhere in the United States.

OpenSea - The world's first and largest web3 marketplace for NFTs and crypto collectibles.