AI & Backend Developer
Automatic Data Processing (ADP) · Aug 2022 – Feb 2026
- Developed and maintained core Java backend micro-services for ADP's E19 system a compliance-critical platform managing the full employee 1-9 lifecycle from new hire verification through termination and rehire, serving 50,000+ users across enterprise clients.
- Built dynamic Angular UI modules to integrate conversational assistance into onboarding and re-verification workflows, delivering 10+ key features and reducing overall delivery time by 20%.
- Designed and prototyped RAG-based AI agents and dynamic workflow state graphs using LangChain and LangGraph, modeling natural-language intent recognition and context augmentation aligned with ADP Assist architectures.
- Integrated LangSmith to monitor LLM interactions, evaluate prompt performance, and trace multi-turn agent logic, accelerating agent feature iteration by ~30%.
- Resolved 40+ critical production defects in core Java workflow modules, reducing system downtime by ~30% and maintaining high availability for enterprise HR teams.
- Built Python-based data aggregation services consolidating 1-9 compliance data across systems, powering BI dashboards used by 200+ internal stakeholders to monitor audit readiness, document expiry, and workforce compliance trends.
