Sarmayex is seeking an experienced and skilled Blockchain Developer with a strong command of Golang and hands-on experience in developing HD Wallets. In this role, you will join our technical team to design and develop blockchain infrastructure and digital wallets across various networks.Required Skills and Expertise1. Proficiency in Golang - Proven experience with Golang in blockchain or large-scale projects - Expertise in microservices architecture - Familiarity with design patterns - Code optimization for high performance and resource efficiency2. Hands-on Experience in Digital Wallet Development (HD Wallets): A. HD Wallet Creation - In-depth knowledge of BIP-32, BIP-39, and BIP-44 standards - Generating hierarchical deterministic (HD) private and public keys - Managing seed phrases and wallet recovery processes B. Wallet Operations - Address Management: Generating new addresses for each transaction to enhance privacy - Transaction Handling: Implementing secure asset transfers and receipts - Transaction Signing: Using private keys for secure transaction signing - Transaction Monitoring: Tracking transaction status and interacting with blockchain networks C. Wallet Security - Implementing robust encryption to safeguard private keys - Securely managing key storage and sensitive data - Wallet recovery using seed phrases3.Familiarity with Major Blockchain Networks: - Experience working with Bitcoin, Ethereum, Binance Smart Chain (BSC), Tron, TON, and Solana networks - Understanding of transaction structures and unique features of each network - Ability to integrate with nodes and network APIs4.Knowledge of Blockchain Protocols and Concepts: - Consensus mechanisms such as PoW, PoS, DPoS, and related models - Familiarity with smart contracts and interacting with them - Understanding cryptography and blockchain security principles5. Additional Skills: - Experience with Docker for environment management - Familiarity with popular tools and libraries - Strong problem-solving skills in blockchain environmentsPersonal QualitiesEffective time management and task prioritizationTeam-oriented with strong communication skillsPassion for learning and staying updated on blockchain technologiesBenefits of Working with Sarmayex Dynamic and friendly work environmentAccess to the latest technologies and toolsOpportunities for growth and learning alongside a professional teamGenderAnyAgeFrom 25 to 35Seniority LevelExpertRequired Experience YearBetween 2 to 5 yearsWorking days9 am - 18 pm (flexible)