With over 7 years of experience in backend and full-stack development, I’ve specialized in crafting scalable solutions, optimizing system performance, and leveraging cutting-edge technologies for SaaS companies. As a Tech Lead, I excel in designing cost-efficient, high-performing architectures, mentoring teams, and delivering impactful results.Here’s what I’ve been up to:💻 Redesigned system and database architectures, transitioning monolithic systems to event-driven architectures with microservices and queues, reducing operational costs by over 40% per month while boosting system reliability and scalability. 🚀 Migrated a critical Node.js application to GoLang, achieving a 60% increase in performance and cutting infrastructure costs by 20% through optimized resource utilization and streamlined processes. 🛠 Built and optimized serverless architectures and microservices using AWS Lambda, SQS, SNS, and DynamoDB, improving data processing efficiency by 50% and enhancing scalability under heavy workloads. 📈 Integrated AI-driven solutions for data validation and real-time audio processing with tools like Google Speech-to-Text and GPT, ensuring a reliable and clean database and enhancing user experience. 👨‍💻 Led backend optimization projects with technologies like Node.js Streams, Worker Threads, and GraphQL, increasing performance by 40% and ensuring system scalability. 🎯 Mentored and managed development teams, fostering technical growth, promoting SOLID principles, and ensuring timely delivery of high-quality, scalable solutions. My skillset includes: >> Node.js, GoLang, Python, React.js, Vue.js >> Serverless Architectures, Microservices, Event-Driven Architecture >> AWS (Lambda, SQS, SNS, S3, EC2, API Gateway), DigitalOcean >> PostgreSQL, MongoDB, DynamoDB, Redis, SQLite >> Kubernetes, Docker, NGINX, PM2, CI/CD Pipelines >> Software Architecture, System Design, Performance Optimization, SOLID Principles