Sephora - Solution Engineer (March 2024 - Present): ● Developed and maintained scalable Golang microservices to support order processing workflows, ensuring >99.9% system availability. ● Built a gRPC-based internal communication system, reducing response times and network payload compared to traditional Rest APIs. ● Created a serverless email processor using AWS Lambda (written in Go), efficiently handling over 10,000 emails/day with optimized concurrency. ● Integrated Redis for caching and PostgreSQL for persistence, reducing database load and response latency by 60%. ● Collaborated with the frontend team to enhance React.js-based Order Wizard, enabling customers to view and manage order status in real time, resulting in 80% fewer support tickets. ● Participated in Agile sprints, code reviews, and architecture design discussions to continuously improve system quality. Nettowelt - Backend Developer (Feb 2023 - March 2024): ● Developed secure, scalable REST and gRPC APIs to support policy creation, approval workflows, and real-time status updates. ● Implemented event-driven architecture using RabbitMQ and Kafka, enabling asynchronous processing and system decoupling. ● Worked with cross-functional teams to build React.js-based internal tools and dashboards integrated via backend APIs. ● Integrated Redis and PostgreSQL for data caching and storage; optimized SQL queries and indexing for better performance under load.