Senior Fintech Engineer

Accountabilities

• • Architect and develop the end-to-end payment gateway, integrating payment and financial service providers such as Stripe Connect and Airwallex to support complex global fund flows.
  • Design and implement milestone-based escrow and ledgering systems capable of securely managing funds throughout extended transaction and planning cycles.
  • Build scalable financial infrastructure for a B2B SaaS platform, enabling businesses to manage cross-border invoicing, payments, and foreign-exchange settlements.
  • Develop reliable backend services and microservices using technologies such as Node.js, Go, or Python within an event-driven architecture.
  • Implement strong security and compliance capabilities, including PCI-DSS and SOC 2 controls as well as automated KYC and AML workflows.
  • Engineer highly reliable systems for high-value financial transactions, targeting 99.99% uptime and strong resilience under periods of exceptionally high demand.
  • Design systems that maintain accurate, consistent, and auditable financial records across payment, ledger, settlement, and payout workflows.
  • Optimize infrastructure and application performance while maintaining security, scalability, and transactional integrity.
  • Translate high-level financial and business requirements into practical technical architecture and production-ready implementations.
  • Establish engineering standards and best practices for payment infrastructure, financial data management, reliability, and security.

  Requirements

  • 5+ years of professional software engineering experience, including significant experience within fintech or financial technology environments.
  • Proven experience building and operating scalable financial or payment systems, ideally within organizations working on platforms such as Stripe, Adyen, Airwallex, Checkout.com, or comparable fintech products.
  • Advanced proficiency in Node.js, Go, or Python, with strong experience designing and developing scalable microservices.
  • Deep technical understanding of payment systems and financial concepts, including ledgering, card issuing, 3D Secure 2.0, and cross-border treasury operations.
  • Strong expertise with PostgreSQL or a comparable relational database, particularly for highly consistent and financially sensitive records.
  • Experience with event-driven architecture and cloud platforms such as AWS or GCP.
  • Familiarity with payment service integrations and APIs, particularly Stripe Connect, Airwallex, or similar providers.
  • Strong understanding of security, compliance, transaction integrity, and reliability requirements within fintech environments.
  • A hands-on builder mindset with the ability to move from architectural design to implementation and troubleshooting.
  • Strong ownership, problem-solving, communication, and decision-making skills, with the ability to operate effectively in an evolving environment.
  • Experience with React or other modern frontend technologies is a plus.

  Benefits

  • Opportunity to take technical ownership of a new global payment infrastructure platform.
  • High level of autonomy in defining architecture, engineering standards, and technical direction.
  • Exposure to complex fintech challenges involving payments, escrow, ledgers, FX, and cross-border transactions.
  • Opportunity to work with modern technologies including Node.js, Go, React, AWS/GCP, PostgreSQL, and event-driven architectures.
  • Chance to build highly scalable infrastructure supporting high-value transactions and international users.
  • Opportunity to contribute to a rapidly evolving technology and financial infrastructure initiative.
  • Remote work environment with the flexibility associated with a distributed team.
  • Direct opportunity to make a significant impact on the platform's financial technology capabilities.