Senior Tech Lead

2025 - Present · DocuSign

• Designed and implemented a graph-based deep neural network with a high-performance data processing framework handling 25B+ records daily in under 20 minutes.
• Applied smart sampling to handle an imbalanced, noisy dataset and scaling to reduce data volume, cut compute costs, and enable flexible execution across single-instance and distributed architectures on CPU/GPU.
• Designed customizable clustering with explainability baselines to ensure transparency and trust in model outputs, aligning with Responsible AI principles.
• Initiated and standardized on-call and incident-resolution processes.
• Pioneered an Agentic RAG architecture for responsible autonomous agents, enabling automated self-healing and support for impacted customer accounts.

Senior Architect / AI Architect

2017 - 2025 · T-Mobile

• Designed and implemented a prediction model based on highly imbalanced customer secure data to provide tailored marketing campaigns, reduce costs by 4000x, and increase revenue with a higher lift score than vendor product suite.
• Designed ML pipeline and set of controls to onboard data scientists faster and deliver models to production safely and on time.
• Extracted insights on customer segments (churn cohorts) and generated self-explanatory reasons and attributes to clarify each triggering factor.
• Designed and implemented cloud-based back-end microservices for 99.99% availability and resiliency, decreasing launch configurations from 48 hours to less than an hour.
• Designed customized priority-based event ingestion architecture.
• Established and standardized SLA for microservices.
• Led and implemented security architecture and standards in cloud-based ecosystems.

Software Engineer

2013 - 2016 · Fiserv

• Developed a robust solution for processing and validating new MasterCard credit card numbers (2-series BIN).
• Implemented performance tuning for internal processes (crunch 1 sec to 10 ms) for each credit card validation.
• Designed and executed disaster recovery processes and critical test scenarios, restoring 52K+ bill notifications within an hour.
• Designed complex set of customized external monitoring tools for different Billers, increasing processing speed of 100M+ records.
• Achieved Team Lead role for domestic-sold product suite, creating enhancement requirements, upgrading, patch development, and maintenance of nationwide financial software.