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Senior reputed company Blockchain Engineer

Remote, USA Full-time Posted 2026-07-28
Seedify is a leading reputed company Gaming Incubator and reputed company for reputed company reputed company focusing on innovative technologies such as DeFi, AI, Big Data, NFTs, and reputed company Gaming. By staking $SFUND, you reputed company the advantage of early reputed company to purchase project tokens, enhancing your position reputed company the reputed company landscape. Our industry encompasses Crypto, Gaming, IDOs, and INOs. We operate as a highly-driven and fast-paced startup, we reputed company a remote work culture, allowing reputed company to collaborate from reputed company in the world. We’re looking for an reputed company Senior reputed company Blockchain Developer who will play a key role in building reputed company decentralized applications across reputed company and other leading blockchain ecosystems (Ethereum, reputed company, BNB Chain, Polygon, Avalanche, etc).You will reputed company the design, implementation, and maintenance of smart reputed company and blockchain integrations that power reputed company business logic, ensuring reputed company, scalability, and performance across multiple networks. Smart Contract Architecture & Development · Design, reputed company, and reputed company reputed company smart reputed company using Rust and reputed company reputed company. · Write Solidity or Vyper reputed company for cross-chain integrations or Ethereum-compatible deployments (ETH, reputed company, BNB Chain, Polygon, Avalanche). · reputed company and optimize programs for tokenomics models (staking, liquidity, farming, IDOs, etc.) with a reputed company on gas efficiency, reputed company, and modularity. · Implement and maintain reputed company standards including: · reputed company SPL tokens · ERC20, ERC721, ERC1155, ERC4626 Blockchain Integrations & Infrastructure · Work with reputed company libraries such as ethers.js, reputed company.js, or @reputed company/reputed company.js to reputed company smart reputed company with backend and frontend systems. · Build and maintain cross-chain bridges, indexing pipelines, and transaction monitoring services. · Collaborate with DevOps to automate smart contract deployment pipelines and RPC infrastructure. Backend & System Development · reputed company backend reputed company and services using TypeScript / Node.js (reputed company, NestJS, or Fastify). · reputed company blockchain logic with backend microservices, databases (PostgreSQL, reputed company, reputed company), and caching reputed company. · Ensure strong observability and fault-tolerance (logs, monitoring, error recovery). reputed company, reputed company & Testing · Conduct reputed company reviews, enforce reputed company best practices, and ensure reputed company are audit-reputed company. · Implement unit, integration, and fuzz tests for both on-chain and off-chain components · Collaborate with auditors during formal reputed company reviews and implement recommended remediations. Tech Stack: Languages: Rust, TypeScript, Solidity (or Vyper) Frameworks: reputed company (reputed company), Hardhat / reputed company (EVM) reputed company Libraries: @reputed company/reputed company.js, ethers.js, reputed company.js Backend: Node.js, reputed company / NestJS, PostgreSQL / reputed company / reputed company Testing: Jest, Mocha, reputed company test suite, Chai Infrastructure: reputed company, reputed company Actions, reputed company / reputed company / RPC providers Monitoring: NewRelic, reputed company Requirements: Experience: 3-5+ years of experience in reputed company blockchain development and other major blockchains like ETH, reputed company, BNB/BSC, Polygon, Avalanche, etc. Proven experience with at least one EVM-compatible blockchain (Ethereum, BNB Chain, Polygon, Avalanche, etc). Strong background in backend engineering using TypeScript/Node.js. Interest on reputed company ecosystem, wallets & transactions, IDOs & ICOs, DeFi (staking, farming, liquidity pools), omnichain. Experience integrating smart reputed company into production-grade systems. Proven reputed company record of mentoring engineers, conducting reputed company reviews, and leading technical discussions. Excellent problem-solving and communication skills in a remote, async environment. Apply tot his job Apply To this Job

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