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Full Stack Developer

Full Stack Developer

Link ComplianceKuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
18 days ago
Job description

Our client is a  fintech platform that merges traditional financing with blockchain technology.

Job Responsibilities :

  • Backend Development
  • Build and maintain Node.js / Serverless backend APIs for payment initiation, stablecoin collection, routing optimization, and compliance checking.
  • Design and expand centralized ledger systems for stablecoin and fiat account management.
  • Integrate blockchain APIs for on-chain tracking of stablecoin transactions.
  • Develop liquidity monitoring modules (across wallets, banks, and providers).
  • Frontend Development
  • Work with React-based Next.js frontend to integrate collection flows, payment flows, and real-time status updates.
  • Extend admin and compliance views for transaction management and partner integrations.
  • Web3 and Blockchain Integration
  • Build wallet inventory management, secure wallet key access systems (HSM / MPC vaults).
  • Connect and reconcile stablecoin balances across multiple chains (EVM-compatible).
  • API and Partner Integrations
  • Integrate partner routing APIs (e.g., Nilos https : / / nilos.readme.io / ,Cedar Money) for cross-border crypto / stablecoins collection & payment.
  • Connect with compliance vendors (e.g., Chainalysis, ComplyAdvantage) for screening and monitoring.
  • Security & Observability
  • Implement encryption (TLS 1.3, AES-256), JWT auth, penetration-test-ready security models.
  • Build observability layers : full logging, real-time metrics, transaction replay functionality.
  • Ledger Integrity and Reconciliation
  • Implement double-entry ledger design ensuring auditability and real-time client balance tracking.
  • Build reconciliation layers between internal records and on-chain / off-chain reports.

Job Requirements :

  • Strong experience in Node.js backend development (API-driven systems).
  • Familiarity with PostgreSQL, ledger design, and transactional database management.
  • Proficiency in Next.js + TailwindCSS frontend development.
  • Good understanding of stablecoins (USDT, USDC), EVM-compatible chains, and web3 wallet operations.
  • Hands-on experience integrating third-party APIs (payment providers, blockchain explorers, compliance platforms).
  • Strong understanding of backend security principles and observability best practices.
  • Familiarity with modern dev tools : GitHub, Supabase, serverless functions, Grafana / Datadog.

    • Good to have :

  • Experience working with MPC wallets or HSM-based key management solutions (e.g., Fireblocks, Gnosis Safe).
  • Knowledge of liquidity management, treasury handling, and cross-chain stablecoin operations.
  • Prior experience in B2B fintech, digital payments, or Web3 financial systems.
  • Familiarity with compliance requirements like GDPR, AML / CFT in a payment context.
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    Stack Developer • Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia