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Bengaluru Jobs | Expertini

Urgent! GammaStack - Blockchain Developer - Backend System - Local Job Opening in Bengaluru

GammaStack Blockchain Developer Backend System



Job description

Description

  • Lead and own backend development using and
  • Design, build, and maintain scalable RESTful APIs and microservices architecture
  • Write, debug, and optimize complex raw SQL queries for performance and scalability
  • Work with PostgreSQL and Sequelize ORM for data modeling and management
  • Implement caching solutions using Redis & Integrate real-time features using
  • Develop and integrate smart contracts (Solidity / Rust)
  • Work with blockchain protocols (Ethereum, Polygon, BNB Chain, Solana, etc.) to enable smooth crypto transactions
  • Design and implement wallet integrations (MetaMask, WalletConnect, custom/custodian wallets)
  • Integrate / or similar blockchain libraries into the backend

Required Skills

  • 3-5 years of experience as a Backend Developer with at least 2-3 years with blockchain projects
  • Expertise in raw SQL queries, indexing, joins, query tuning, and optimization
  • Strong proficiency in PostgreSQL and Sequelize ORM
  • Hands-on experience with Docker, Redis, and
  • Familiarity with AWS cloud services (EC2, S3, RDS)
  • Strong understanding of backend performance optimization techniques
  • Proven leadership or mentoring experience in engineering teams
  • Strong proficiency in Solidity (Rust is a plus)
  • Experience with / or similar blockchain libraries
  • Experience with multiple blockchain protocols (Ethereum, Polygon, BNB Chain, Solana, etc.)
  • Knowledge of wallet integrations (MetaMask, WalletConnect, custom/custodian wallets)

Must-Have Skills

  • & backend development
  • PostgreSQL (raw SQL, Sequelize ORM)
  • Redis caching & real-time features
  • Solidity smart contracts & major blockchain protocols (Ethereum, Polygon, BNB, Solana)
  • / & wallet integrations (MetaMask, WalletConnect)
  • Docker & basic AWS deployment skills
  • Backend performance optimization & team leadership

)


Required Skill Profession

Other General



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