Yahia Rachek

1. Architected and deployed 3 production-grade PERN stack applications serving 5,000+ active users with 99.8% uptime, utilizing PostgreSQL for optimized data management and React/Node.js for seamless user experiences 1. Led distributed team of 4 developers across multiple time zones, implementing agile methodologies that increased sprint velocity by 30% and improved code quality through comprehensive code reviews 1. Integrated AI-powered features using OpenAI API and custom ML models, reducing user task completion time by 40% and significantly enhancing platform intelligence 1. Established robust CI/CD pipeline with Docker and Azure DevOps, reducing deployment time from 2 hours to 15 minutes and eliminating deployment related downtime 1. Mentored 2 junior developers in PERN stack best practices and clean code principles, resulting in their promotion to mid-level positions within

Designed and developed core architecture for an AI-powered collaboration platform from concept to MVP launch.

• - Managed team of 5 developers across 2 concurrent projects

• - Implemented agile ceremonies (daily standups, sprint planning, retrospectives) improving delivery predictability

• - Coordinated with stakeholders to prioritize features and manage technical debt

• - Conducted code reviews and established coding standards, reducing bug rate by 25%

• - Facilitated technical discussions and resolved architectural disagreements

Delivered web development projects for international clients through Upwork, maintaining 5-star rating across 12 completed projects.