WazirX- Senior Software Development Engineer; SDE III – Blockchain Infrastructure

Job Title: Senior Software Development Engineer (SDE III) – Blockchain Infrastructure
Location: Remote
Experience: 5–7 years
Education: B.E/B.Tech in Computer Science, IT, or related field

We are looking for a highly skilled Senior Software Development Engineer (SDE III) to join our blockchain engineering team. The ideal candidate will play a critical role in designing, building, and maintaining secure, scalable blockchain infrastructure. You’ll work on systems that power wallet operations, protocol integrations, crypto asset flows, and compliance enforcement for a high-volume, regulated Web3 environment.

• Token Lifecycle Management:
  • Execute token listings, delistings, and swaps based on inputs from Marketing and Product teams, ensuring timelines and accuracy.
• Crypto Deposit & Withdrawal Systems:
  • Design and maintain robust systems for managing crypto asset deposits and withdrawals.
  • Build and monitor integrations with third‑party Wallet-as-a-Service (WAAS) providers and blockchain networks.
  • Implement in‑built transaction monitoring and system alert mechanisms.
• Transaction Signing:
  • Sign outbound transactions securely and ensure proper authorization protocols are followed.
• Blockchain Node Upgrades:
  • Track updates released by blockchain protocols, evaluate their impact, and safely implement mandatory/optional node upgrades.
  • Develop rollback mechanisms in case of instability.
• Funds Sweeping:
  • Automate and manage scheduled sweeping of funds to designated wallets as per internal protocols.
  • Ensure traceability and security of all fund movements.
• Deposit/Withdrawal Audits:
  • Conduct regular audits to identify and resolve transaction discrepancies.
  • Ensure transparency and traceability in line with internal and regulatory standards.
• Compliance Implementation:
  • Ensure all wallet operations and crypto transactions meet current compliance regulations.
  • Proactively update systems and processes in response to changes in standards.
• Wallet Management:
  • Manage end‑to‑end wallet infrastructure including configurations, access controls, and security protocols.
• Custody Integrations:
  • Integrate and manage multiple third‑party custody service providers to ensure secure and reliable storage solutions.

• Cryptography and secure transaction protocols
• Blockchain and protocol understanding (Bitcoin, Ethereum, etc.)
• Smart contract basics
• Web3 technologies and third‑party wallet integrations

• Strong problem‑solving mindset
• Stakeholder communication and cross‑functional collaboration
• Attention to detail and audit‑oriented thinking
• Ownership and accountability in high‑stakes environments

• Internal:
  • Product Managers, Marketing, Compliance, CHC – for prioritization, updates, alerts, and audit feedback
• External:
  • Wallet providers, Custody providers, Travel rule vendors, Blockchain protocol teams – for integration support and ongoing issue resolution

• Timely and accurate token listing/delisting
• Uptime and reliability of deposit/withdrawal systems
• Successful implementation of node upgrades without disruption
• Compliance adherence and audit closure rates
• Custody provider integration quality and performance