Senior Software Engineer Devflovv
Led architectural direction, sprint estimation, and technical roadmap communication for multiple engineering teams. Standardized microservices development across Express.js and Fastify, mentored more than 10 junior developers, conducted technical interviews, and established automated Jest testing practices that maintained 90–95% coverage across production server applications.
Designed and delivered distributed systems using Node.js and Express.js APIs, React and Vue.js dashboards, mobile applications, and IoT OBD devices. Built an OpenAI-enabled RAG pipeline with Python and FastAPI, integrated MQTT for real-time device communication, and supported user growth from 100 to more than 10,000 active users.
Architected payment orchestration with Stripe and Square, including idempotent transaction handling, secure webhooks, and failover mechanisms. Automated multi-cloud infrastructure and CI/CD across AWS, Azure, DigitalOcean, Bitbucket, and GitHub Actions using Terraform, while reducing infrastructure costs by 20% through optimization and workload balancing.