Senior Backend Blockchain Specialist

3 days ago

Kolkata, West Bengal, India beBeeBlockchain Full time ₹ 1,50,00,000 - ₹ 2,00,00,000

Job Title: Blockchain Developer

Experience: 3+ Years

Location: Remote/Onsite (as applicable)

Employment Type: Full-time

Job Description:

We are seeking an expert Blockchain Developer to join our team. The ideal candidate will have hands-on experience in cryptocurrency, wallet creation, and payment gateway integration.

Key Responsibilities:

  • Design, develop, and deploy blockchain-based applications and smart contracts.
  • Build and integrate cryptocurrency wallets (custodial and non-custodial) with support for Bitcoin, Ethereum, Solana, and Tron.
  • Implement payment gateway solutions for seamless digital transactions.
  • Work with Fireblocks (or similar platforms) for secure wallet creation, key management, and asset transfers.
  • Develop and audit smart contracts in Solidity, Rust, or other blockchain programming languages.
  • Ensure secure handling of digital assets, transactions, and wallets.
  • Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.
  • Stay updated with emerging blockchain technologies and propose improvements.

Required Skills & Qualifications:

  • 3+ years of hands-on experience in Blockchain Development.
  • Strong expertise in Cryptocurrency ecosystems (Bitcoin, Ethereum, Solana, Tron).
  • Experience with Fireblocks or similar platforms for wallet and asset handling.
  • Proficiency in Smart Contracts development using Solidity, Rust, or equivalent.
  • Strong understanding of Custodial Wallets, Key Management, and Digital Asset Handling.
  • Experience in Payment Gateway development & integration.
  • Familiarity with blockchain security best practices and transaction optimization.
  • Good problem-solving, debugging, and analytical skills.

Nice to Have:

  • Knowledge of Layer 2 scaling solutions.
  • Familiarity with NFT standards (ERC-721, ERC-1155).
  • Understanding of DeFi protocols and staking mechanisms.
  • Experience working with APIs of exchanges and blockchain explorers.

  • Senior Blockchain Solutions Architect

    18 hours ago

    Kolkata, West Bengal, India beBeeBlockchainDeveloper Full time ₹ 1,50,00,000 - ₹ 2,50,00,000

    Job OpportunityOur company seeks a skilled professional to design and implement cutting-edge blockchain solutions. This role involves developing secure smart contracts, designing high-performance backend systems, and deploying scalable architectures.Key Responsibilities:Develop secure smart contracts for Ethereum, EVM-compatible chains, and other L1/L2...

  • Senior Blockchain Architect

    3 days ago

    Kolkata, West Bengal, India beBeeBlockchainDeveloper Full time ₹ 18,00,000 - ₹ 25,00,000

    Blockchain Developer Role OverviewWe are seeking a skilled Blockchain Developer to join our team and contribute to the development of innovative blockchain solutions. As a member of our team, you will have the opportunity to work on cutting-edge projects and collaborate with cross-functional teams to drive technical design and implementation.This is an...

  • Senior Blockchain Architect

    6 days ago

    Kolkata, West Bengal, India beBeeBlockchain Full time ₹ 1,50,00,000 - ₹ 2,50,00,000

    Blockchain Solutions DeveloperCoinFantasy seeks an experienced Blockchain Solutions Developer to design, develop, and implement blockchain solutions.Design, develop, and deploy blockchain solutions, including smart contracts, decentralized applications, tokenization systems, and protocol upgrades.Write and audit secure smart contracts in Solidity, Rust, or...

  • Senior Blockchain Developer

    3 days ago

    Kolkata, West Bengal, India beBeeBlockchain Full time ₹ 1,50,00,000 - ₹ 2,50,00,000

    About the JobWe are seeking a Senior Blockchain Developer with experience in Solana blockchain development to lead technical decision-making, mentor junior engineers and work closely with product teams to deliver scalable blockchain solutions.Design, develop and maintain high-quality on-chain and off-chain software systemsWrite efficient, maintainable and...

  • Telecom Blockchain Solution Specialist

    1 day ago

    Kolkata, West Bengal, India beBeeBlockchain Full time ₹ 9,00,000 - ₹ 12,00,000

    Blockchain Application Developer We are seeking a highly skilled professional with experience in telecom domain to design, develop, and implement blockchain-based solutions. Main Responsibilities: Design and implement blockchain-based applications tailored for telecom use cases (e.g., SIM identity, roaming settlement, fraud detection). Develop and deploy...

  • Blockchain Operations Specialist

    3 days ago

    Kolkata, West Bengal, India beBeeInfrastructure Full time ₹ 1,50,00,000 - ₹ 2,00,00,000

    Cloud Infrastructure EngineerWe are seeking a seasoned professional to oversee the operation of our multi-cloud blockchain infrastructure and validator node operations.Ensure high-performance, availability, and resilience across various L1/L2 blockchain protocols.Main ResponsibilitiesOwn and operate validator nodes across multiple blockchain networks,...

  • Senior Backend Engineer

    20 hours ago

    Kolkata, West Bengal, India beBeeBackend Full time ₹ 8,00,000 - ₹ 12,00,000

    We are seeking a talented Server-Side Software Developer to join our team.About the Role:The successful candidate will be responsible for designing and implementing secure server-side applications, database management systems, and RESTful APIs using Node.js + Express.js and other popular frameworks.This includes tasks such as password authentication system...

  • Backend Developer –

    2 weeks ago

    Kolkata, West Bengal, India Klyptoapp Full time

    Company DescriptionAt Klypto, we're redefining the way the world trades, invests, and grows wealth — blending the best of artificial intelligence, automation, and blockchain innovation.If you're passionate about pushing boundaries, building smart systems, and making a real-world impact, you'll feel right at home here.Klypto is India's first AI-native...

  • Backend Software Engineer

    7 days ago

    Kolkata, West Bengal, India beBeeBackend Full time ₹ 7,50,000 - ₹ 15,00,000

    Back-End DeveloperThis is an exciting opportunity to work as a back-end developer where you will be responsible for the server-side application logic, database design, and building secure and efficient APIs.Key Responsibilities:Design, build and implement secure RESTful APIs using Node.js + Express.jsDevelop and maintain server-side applications using...

  • Software Engineer

    21 hours ago

    Kolkata, West Bengal, India beBeeBlockchain Full time ₹ 2,00,00,000 - ₹ 2,50,00,000

    Job Title: Back End DeveloperAbout this role:We are looking for a skilled developer with experience in Go or Rust to join our team. You will play a key role in transforming raw on-chain data into actionable insights by decoding smart contract events and implementing pricing logic from decentralized exchanges (DEXs).This role is ideal for someone who enjoys...