Skills:
Token, waas, blockchain, Mobile Payments, Wallet, Crypto,

REMOTE Senior Software Development Engineer (SDE III) Blockchain Infrastructure

REMOTE

Reporting To: [Insert Reporting Line, e.g., Engineering Manager Blockchain Services]

Experience: 57 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. Youll 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

Internal

Stakeholder Interactions:

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

Bharat Business Innovations Pvt Ltd

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Senior Engineer Blockchain Infrastructure - REMOTE