Senior Fintech Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fintech Engineer based in India. This is a high-impact engineering opportunity focused on building financial infrastructure for complex, high-value, cross-border transactions. You will take ownership of a payment gateway designed to simplify global fund flows, vendor payouts, and milestone-based financial operations. The role combines fintech architecture, distributed systems, payment integrations, security, and financial data integrity. You will work across the stack, moving seamlessly between system design and hands-on implementation. Your work will help create reliable infrastructure capable of supporting significant transaction volumes and high-value payments. The environment favors builders who enjoy solving complex problems, taking technical ownership, and establishing new engineering standards. This is an opportunity to shape a financial platform from the ground up while working with modern cloud and payment technologies. 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