Job description
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
About the Role:
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.
Key Responsibilities:
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.
Skills & Competencies:
Technical Skills:
Cryptography and secure transaction protocols
Blockchain and protocol understanding (Bitcoin, Ethereum, etc.)
Smart contract basics
Web3 technologies and third-party wallet integrations
Soft Skills:
Strong problem-solving mindset
Stakeholder communication and cross-functional collaboration
Attention to detail and audit-oriented thinking
Ownership and accountability in high-stakes environments
Stakeholder Interactions:
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
Performance Metrics (Examples from OKRs):
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
