OrelHadad

Led a development team building and scaling an email marketing platform, overseeing architecture decisions, code quality, and delivery of product features.

• Scaled infrastructure to support ~400 million emails and ~600 million real-time analytics events daily.
• Led the design and integration of AI and LLM capabilities across the platform, including MCP, RAG-based architectures, and generative AI, connecting LLMs to platform data and APIs.
• Led a team of three engineers (five at peak scale), took part in hiring, and ran technical interviews.
• Improved the performance, reliability, and observability of core services.
• Led technical design reviews and enforced engineering best practices.
• Worked cross-functionally with Product, DevOps, Support, and Sales.

Developed a referral platform for discovering people and their relationships based on automated big-data research.

Full ownership of five microservices as part of a payment solution offered to businesses in the hospitality industry.

Maintained and improved the in-house CRM system, including payments, call center, and landing pages.

Developed a real-time sports betting platform handling high-throughput data streams and live event processing.

Started freelancing at 15, delivering end-to-end solutions across a wide range of projects in various industries as an independent developer.