Senior Backend Engineer

Role overview

Senior Backend Engineer to architect and build complex financial systems that process millions of dollars daily. You’ll design cross-domain solutions coordinating payments, fraud detection, compliance, and user management across a distributed microservices architecture.

Key missions

• Architect and build high-scale financial systems focused on payment processing, fraud detection, and compliance.
• Lead cross-domain solutions by coordinating interactions between payments, fraud detection, user management, and compliance.
• Drive technical and architecture decisions for the platform, establishing best practices as the team grows.

Responsibilities

• Take ownership of system design trade-offs across performance, maintainability, and business requirements.
• Lead architecture for domain-spanning challenges and external integrations.

Requirements

• 5+ years of software engineering building complex, production systems.
• Strong systems thinking and technical leadership for cross-domain engineering challenges.
• Experience with distributed systems, event-driven architectures, and microservices.
• Solid foundations in algorithms, data structures, and CS fundamentals.
• Ability to design systems using system design principles.
• Cloud infrastructure experience with Google Cloud Platform (or similar).
• Backend development in Python (Python 3), with strong understanding of web frameworks and APIs.
• Experience with NoSQL and SQL databases.
• Financial systems experience: payment processing, fraud detection, or compliance.
• Knowledge of financial regulations such as AML/KYC and PCI DSS.
• Experience with banking/financial APIs and money movement systems.
• Experience processing high transaction volumes.
• Coordination of multiple third-party integrations.

Nice to have

• Master’s degree in Computer Science or Engineering from an accredited university.
• Architecture pattern experience with Domain-Driven Design, Clean Architecture, and CQRS.