Sr Principal Software Engineer

• Architect and deliver secure, reliable, and scalable payment solutions that support core transaction lifecycles end-to-end
• Design and evolve payments frameworks, APIs, and flows including checkout forms, hosted payment pages, and payment links that accelerate product development and improve global adoption
• Guide system design trade-offs by balancing simplicity, performance, security, compliance, and cost throughout the payment journey
• Architect and evolve payment orchestration layers to intelligently route transactions across multiple providers, optimize costs, maximize authorization rates, ensure redundancy, and reduce regional or processor dependencies
• Anticipate fintech and regulatory trends to define an architectural vision that ensures competitiveness, compliance, and readiness for future payment innovations
• Enable frictionless checkout experiences with embedded forms, localized hosted flows, and customizable links that maximize conversion and minimize abandonment
• Support global readiness with diverse payment methods, multicurrency support, localized checkout experiences, and adherence to regional compliance requirements
• Partner across Product, Risk, Compliance, and UX to ensure payment architecture aligns with customer needs, regulatory demands, and business growth goals
• Provide technical thought leadership by mentoring engineers and architects, raising standards for design and execution in payment systems
• Champion engineering excellence through adoption of best practices, observability, metrics-driven improvements, and continuous innovation in payments transaction processing
• Simplify developer and partner adoption by defining clear SDKs, API contracts, webhooks, and integration tooling that ensure maintainability and long-term success
• Architect for high-volume transaction processing with redundancy, fault tolerance, disaster recovery, and cost efficiency built-in
• Strengthen risk, fraud, and dispute management with real-time monitoring, analytics, and adaptive defense mechanisms

• BTech/BE in Computer Science, Engineering, or related discipline
• 16+ years of experience in full-stack development and enterprise-scale architecture
• Expert-level experience with Java/Spring, data structures & algorithms, and building large-scale distributed systems
• Deep understanding of system design, microservices frameworks (Spring Boot, Dropwizard, etc.), PaaS environments, and modern web/cloud technologies (REST, gRPC, JSON, Protobufs)
• Strong background in database design, object modeling, and API ecosystem development
• Awareness of trade-offs in architecture (scalability vs. cost, flexibility vs. complexity) to deliver long-term value
• Proven ability to design scalable, high-performance platforms supporting millions of users or transactions
• Track record of driving architecture roadmaps and influencing technical direction at the org or business-unit level
• Ability to influence without authority, guiding multiple engineering teams toward a common vision
• Excellent communication and storytelling skills to align executives, PMs, and engineers
• Experience mentoring and developing high-performing technical talent
• Passion for exploring and experimenting with emerging technologies to maintain technical edge
• Bias for action and simplification, ensuring speed without compromising stability
• Commitment to customer focus and business impact in technical decision-making
• Comfortable working in ambiguous, rapidly changing environments. Can balance engineering tradeoffs

Experience in Payments would be a plus

• Competitive compensation, corporate bonus program and performance rewards, company equity and retirement programs
• Medical insurance
• Generous, flexible time off
• Paid holidays, “wellness” days and company wide end of year break
• 6 months fully paid parental leave
• Learning & Development stipend
• Opportunities to volunteer and give back, including charitable donation match
• Free resources and support for your mental wellbeing