# Jack D. > Software Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/jackd Results-driven Product Manager with a strong track record of building highly effective teams and driving high-growth, profitable businesses in B2C, B2B, and B2B2C markets. Experienced in leading AI-driven inventory platforms, cloud-based ERP systems, and supply chain technology solutions for large-scale operations, including the food supply chain industry. Passionate about leveraging technology and data-driven strategies to optimize logistics, streamline inventory management, and enhance business efficiency. Core Competencies: ✔ Expertise in AI-driven inventory management and cloud-based ERP systems ✔ Experience in e-commerce and marketplace product development (web & mobile) ✔ Strong customer-first problem-solving approach ✔ Proficient in risk management, decision-making, communication, and negotiation ✔ Skilled in building cross-functional teams and vendor partnerships ✔ Advocate of Lean methodologies and rapid prototyping ✔ Experience in analytics, UX design, user research, and agile development Industry Experience: 🔹 Supply Chain & Logistics – AI-driven inventory optimization, cloud-based ERP, warehouse automation 🔹 E-commerce & Marketplaces – B2B, B2C, B2B2C 🔹 Food Supply Chain Management – Procurement, distribution, fulfillment 🔹 Enterprise Collaboration & Social Networking 🔹 Business Intelligence & Data Analytics 🔹 Education & Marketing Communications 🔹 Taxation & Payments Solutions ## Work Experience ### Software Engineer @ Innovation AI Jan 2025 – Present | San Francisco Bay Area • Designed and implemented a three-tier architecture to support real-time user interaction and scalable role-based workflows. • Built RESTful APIs and integrated access controls for different user roles. • Tuned PostgreSQL queries and backend endpoints to optimize performance. • Deployed containerized microservices using Kubernetes and Docker to support high-availability backend services. • Collaborated in Agile sprints with UI, frontend, and backend teams. ### Backend Software Engineer @ GrubMarket AI - The ONLY Enterprise AI Solution Provider for the Food Supply Chain Industry Jan 2020 – Jan 2024 | San Francisco Bay Area Responsibilities: •Maintained and optimized production-grade Oracle 19c and MySQL 8.x databases powering GrubMarket’s AI-driven supply chain management platform. •Conducted SQL performance tuning, index optimization, and partition management to support real-time procurement, inventory, and logistics workflows. •Designed and implemented automated backup, recovery, and monitoring solutions using Python scripts integrated with AWS CloudWatch and RDS snapshots •Migrated legacy on-prem Oracle instances to AWS RDS for Oracle, and restructured MySQL deployments for microservice workloads with improved fault tolerance and scalability. •Collaborated with product and infrastructure teams to design normalized schemas and stored procedures tailored for microservice-based architectures (Java Spring Boot). •Developed tooling and dashboards to monitor query latency and IOPS, helping reduce critical API response time by 50% during high-volume order processing. •Supported secure data synchronization across multi-environment (dev/staging/prod) setups using schema versioning tools like Liquibase. Tech Stack: •Oracle 19c, MySQL 8.x, PostgreSQL, AWS RDS, AWS Lambda, CloudWatch, Python, Bash •Performance tuning, partitioning, slow query profiling, index design •Java Spring Boot microservices integration, RESTful APIs •Infrastructure-as-code for database provisioning and alerting Key Achievements: •Improved data throughput across Oracle/MySQL services by 30%, enabling real-time insights into inventory and vendor logistics. •Reduced system downtime risk by implementing robust backup/restore automation, contributing to >99.99% availability for core services. •Enabled seamless backend scaling by aligning database design with evolving microservices architecture. ### Software Engineer @ Haiyi Hotels Jan 2016 – Jan 2020 | San Francisco Bay Area • Supported hotel management systems and internal IT infrastructure. • Conducted database updates and data integrity checks. • Provided automation support using Python scripts. • Visualized sales and inventory. ### Marketing and Data Analyst—Internship @ Local Greens Inc. Jan 2016 – Jan 2016 | Berkeley Local Greens is a hydroponic farm based on controlled environment agriculture (CEA) now launching the first facility in Berkeley, CA. It uses no soil, minimal water, low energy - using specialized growing techniques that mimic nature. Local Greens will serve commercial customers such as Whole Foods and Safeway as well as institutions, such as hospitals and schools. • Analyzed sales volume data and generated sales and inventory projections using Excel and SQL • Created visualizations of sale-volume data per store using Tableau in order to optimize the delivery of products to customers. • Organized and managed daily data through Smartsheet. • Deal with daily invoices through Quickbook. • Built its auto office system in order to improve its workflow. ### Marketing Manager @ Beijing Huazhang Graphics and Information Company Jan 2008 – Jan 2010 • Increased yearly sales 25% to 15 million RMB. • Expanded marketing promotion events from 12 per year to 28. • Developed 2 new online sales channels, increasing sales by more than 2 million RMB. • Investigated market demand by collecting market information, informing the creation of the next series of books. • Wrote more than 30 trade marketing articles on newspaper and digital media. ### Founder @ E-learning program company Jan 2008 – Jan 2009 I recruited 35 programmers to join our teacher team through effective communication on the IT Network We successfully recorded 24 IT courses and made a good sale of 320,000RMB in a year We got back our investment and made a 40% profit of 128,000RMB ## Education ### Master's degree in Computer Software Engineering Information Technology University ### Master’s Degree in International Marketing Hult International Business School ### Bachelor’s Degree in Digital Publishing Wuhan University ## Contact & Social - LinkedIn: https://linkedin.com/in/victordu --- Source: https://flows.cv/jackd JSON Resume: https://flows.cv/jackd/resume.json Last updated: 2026-04-10