Behzad Fattahi

Leading a cross-functional team building a multi-tenant SaaS platform on .NET 8 and React.

• Lead development of multi-tenant SaaS backend services in .NET 8/C# with React dashboards, serving production workloads of ~2,000 requests per second.
• Architected cloud-native services that cut infrastructure costs by 25% while improving maintainability.
• Containerized and orchestrated microservices with Docker and Kubernetes, shortening deployments and improving release reliability.
• Reduced query times by up to 40% through SQL Server optimization and leaner data models.
• Partner with stakeholders to turn business goals into production-ready features, accelerating time-to-market for key launches.
• Lead a team of engineers, designers, and product managers delivering complex projects on time and in scope.

• .NET 8
• C#
• React
• SQL Server
• Docker
• Kubernetes
• Azure

Built real-time signal-processing infrastructure and led the migration from monolith to event-driven microservices.

• Built and optimized C# signal-backtesting pipelines that replayed the full set of trading signals against point-in-time market data, handling thousands of signals at millisecond-level latency.
• Led the monolith-to-microservices migration on Apache Kafka, lifting uptime to 99.9% and cutting critical incidents by 40%.
• Applied the Microsoft Orleans actor model to real-time distributed workflows, processing 5M+ events per day.
• Designed orchestration logic for distributed workflows, improving reliability and execution consistency by ~25%.
• Introduced Azure CI/CD pipelines, moving the team from weekly to daily releases.
• Drove adoption of clean architecture and engineering best practices, and owned key scalability-vs-performance trade-off decisions.

• C#
• .NET
• Microsoft Orleans
• Apache Kafka
• Azure DevOps
• Redis
• SQL Server

Built a multi-tenant IoT platform end to end; later returned to lead the TDX.bz startup.

• Launched a multi-tenant IoT platform managing 5,000+ devices and processing 2M+ events per day in real time.
• Architected .NET/C# microservices ingesting large-scale IoT telemetry, and achieved 99.8% uptime through SQL Server query and indexing optimization.
• Developed a cross-platform React Native mobile application for Walmart, integrating smoothly with enterprise APIs.
• Advised the team as a consultant through 2022-2023, keeping startup initiatives on track while at Wallex.
• Returned in 2023 to lead TDX.bz, shortlisted among 35 of 1,043 startups for the Web Summit Qatar 2025 PITCH competition.
• Mentored junior engineers, accelerating their growth and strengthening overall team performance.

• .NET 5
• C#
• React Native
• SQL Server
• MQTT
• Microservices

Took Dobord, a gamified cashback platform, from architecture to launch.

• Launched Dobord, a gamified cashback platform architected for 1,000+ concurrent users with real-time data updates.
• Integrated cashback offers from leading brands including Digikala and SnappFood, lifting user engagement and retention.
• Applied SOLID principles and design patterns in .NET Core, improving code reusability and maintainability.
• Partnered with UI/UX and QA teams in Scrum, shipping features that raised customer-satisfaction scores by 15%.
• Championed pair programming and peer reviews, improving quality and cutting bug-resolution time.

• .NET Core
• C#
• SQL Server
• REST

Built RESTful services for distributed systems and grew into microservices and event-driven design.

• Built performant server-side applications and RESTful APIs for distributed systems in .NET.
• Contributed to the team's early microservices adoption, gaining production experience with cloud-native, event-driven designs.
• Raised release quality through disciplined testing, documentation, and active participation in code reviews.

• .NET
• C#
• SQL Server