Kiwi Financial Inc
Senior Backend Engineer
About this role
Description: Seeking a Senior Backend Engineer to design, build, and evolve scalable, reliable, and secure backend systems. Role involves hands-on engineering, architectural decisions, and improving platform quality and maintainability. Requirements: 8+ years of backend engineering experience with production systems. Proficient in Node.js and TypeScript; experience with Express.js or similar frameworks. Strong knowledge of PostgreSQL, API design, and distributed systems. Familiarity with AWS, CI/CD, and automated testing practices. Excellent problem-solving and communication skills. Benefits: Opportunity to work on impactful financial products. High technical ownership and influence on backend platform evolution. Collaborative environment with a multidisciplinary team. 100% remote work available in Argentina or Colombia.