AZIZ ULLAH

- Embedded within Nordstrom's OVI/EIS Inventory Management team as a Senior Backend Java Engineer, contributing to enterprise-scale retail inventory systems serving US operations. - Developed and maintained Spring Boot microservices for large-scale inventory data workflows, event ingestion, and service integrations across the OVI platform. - Authored PostgreSQL purge procedures and Flyway database migrations targeting blue/green RDS instances, enabling zero-downtime schema deployments in production. - Designed and documented comprehensive Blue-Green RDS database refresh runbooks, improving production reliability and disaster recovery readiness. - Led end-to-end CI/CD pipeline migration from GitLab CI to GitHub Actions, restructuring pipeline stages, secrets management, and deployment workflows for improved automation and observability. - Managed secrets and sensitive configuration using HashiCorp Vault, integrating dynamic secret injection into CI/CD pipelines and Spring Boot service configurations. - Designed and maintained Apache Airflow DAGs for orchestrating scheduled data pipeline tasks, ETL workflows, and operational automation jobs within the inventory platform. - Performed JMeter load testing targeting 1,500 TPS; identified and resolved Redis pipeline saturation and circuit breaker instability under peak concurrent load. - Utilised New Relic (NRQL) for service observability, latency monitoring, and proactive alerting across OVI microservices. - Managed AWS infrastructure using aws-okta for SSO-based CLI authentication, and operated Kubernetes workloads via kubectl on Rancher Desktop in a local development setup mirroring production EKS clusters. - Navigated a complex polyglot AWS environment with Apache Kafka for event-driven inventory data streaming. - Managed production deployment approvals during soft-freeze periods, coordinating releases with cross-functional stakeholders and the engineering manager.

- Designed and developed high-performance backend services in Java/Spring Boot for a large-scale digital advertising platform serving US enterprise clients. - Redesigned the Pixel Reporting database schema, reducing reporting query execution time by approximately 45% and enabling near real-time analytics. - Built ETL pipelines ingesting pixel data from AWS S3, client repositories, and third-party APIs into Snowflake/PostgreSQL data stores. - Developed reporting workflows using SQL, Jasper Reports, and analytics pipelines; served as technical owner for client-facing backend services. - Converted business reporting requirements into microservices and API solutions deployed on AWS.

Master of Engineering

NED University of Engineering & Technology

January 2023 - January 2025

Field: Software Engineering

Nordstrom OVI/EIS Inventory Management System

April 2026 - Present

Enterprise-scale inventory visibility and event ingestion platform for Nordstrom's US retail operations.

Quorum Digital Advertising Platform

June 2025 - April 2026

Web-based audience capture and campaign management platform integrating with Facebook, TikTok, LiveRamp, Viant, and Xandr.