Senior Backend Systems Engineer

Senior software engineer with 8 years of experience building and scaling backend and full-stack systems across finance, healthcare, logistics, and e-commerce. Expertise includes high-volume financial data APIs, real-time mobile app systems, large-scale healthcare claims platforms, and high-concurrency web crawlers. Strong in designing and scaling microservice architectures, real-time and data-intensive systems, cloud infrastructure, and production reliability. Seeks senior backend or full-stack roles at product-driven startups or teams in complex domains like data platforms, infra, fintech, health tech, or AI-adjacent work. Open to remote or relocation.