Senior Crypto Developer

hace 4 semanas

Mexico City Gamdom A tiempo completo

Gamdom is home to thousands of betting options for both sports and casino players to wager on. Since 2016, we have been steadily growing to provide more than just casino games and sports betting events to enjoy; With us, you can enjoy unique bonuses and earn massive rewards simultaneously. Discover all the rewarding features Gamdom can offer you below.We are seeking a talented and driven Senior Crypto Developer to join our dynamic team. This role is integral to building and maintaining our blockchain infrastructure and Web3 applications, which rely heavily on live data and real-time functionality. The ideal candidate will possess strong expertise in backend microservices, blockchain integrations, and Web3 tooling, while maintaining a deep commitment to code quality, security, and scalability.Key ResponsibilitiesOwn backend micro-services in Node.js / TypeScript that interface with multiple blockchains, following clean-architecture and test-driven development principles.Run and optimize bitcoin-core (BTC / LTC) nodes, manage UTXO sets, fee estimation, mempool monitoring, and wallet RPCs for high-volume deposit and withdrawal flows.Build and maintain Ethereum transaction pipelines using ethers.js - handle ERC-20 / ERC-721 token transfers, reorgs, transaction signing / broadcasting, and nonce management.Integrate additional L1 / L2 networks by abstracting blockchain-specific logic behind a unified service layer, enabling rapid support for new tokens and chains.Leverage Fireblocks or similar MPC / custodial APIs to manage secure wallet operations, policy enforcement, and multi-signature approval flows.Develop and maintain frontend Web3 wallet integrations (e.g., MetaMask, WalletConnect, Ledger) using TypeScript / React, delivering seamless UX and real-time transaction feedback.Build scalable deposit & withdrawal infrastructure, including queueing systems, idempotent webhooks, reconciliations, wallet sweeps, address management, and fee optimization.Embed security and compliance features, KYT screening, whitelisting, secrets management, and rate-limiting into application code and CI / CD pipelines.Monitor blockchain health and system performance establish SLAs, create alerting systems, implement incident response plans, and lead post-mortems.Document APIs, architecture decisions, and operational runbooks; mentor peers through code reviews and knowledge sharing sessions.What We’re Looking For5+ years of backend development experience, including significant work with Node.js and TypeScriptStrong understanding of blockchain fundamentals, especially UTXO vs. account-based modelsHands-on experience with Ethereum, Bitcoin, and L2s (e.g., Arbitrum, Optimism, Polygon)Familiarity with Web3 libraries such as ethers.js, web3.js, and experience interacting with RPC APIsDeep understanding of secure wallet management practices and MPC technologyProficiency in front-end development using React and Web3 provider integrationsExperience in designing high-availability systems and real-time transaction infrastructureStrong emphasis on security, performance, and scalabilityExcellent documentation and communication skillsWhat We OfferA dynamic and supportive work environmentOpportunities for professional growth and development in a rapidly evolving industryCompetitive salary and performance-based incentivesThe chance to work with a passionate team in the forefront of blockchain innovation #J-18808-Ljbffr

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