# Weiji Zheng > Experienced Software Engineer with 5+ years in Java, Kotlin, Python, JavaScript, Spring, React, PHP | Expert in Cloud Solutions (AWS/GCP), Kafka, Kubernetes | Advanced in REST APIs, gRPC, GraphQL, Microservices Design Location: New York, New York, United States Profile: https://flows.cv/weijizheng 🔍 Aspiring Innovator: With a passion for technology and a solid foundation in computer science from Rutgers University, I'm on a quest to leverage my extensive 5 years of software development experience to create innovative products and services. Proficient in all phases of the Software Development Life Cycle (SDLC), I specialize in web-based, client-server, and N-tier architectures. 💻 Technical Mastery: Languages & Frameworks: Proficient in Java (Multithreading, Collections, Java 8 features like Lambda expressions) and Python. Adept with Spring Framework modules including MVC, IOC, AOP, Spring JDBC, Spring Data JPA, and Spring Boot. Data Management: Skilled in Kafka, Cassandra, and Redis for efficient data processing and management. Design Patterns & Development: Deep understanding of J2EE design patterns (MVC, Front Controller, DAO, Singleton). Experienced in building RESTful APIs and service-oriented architectures. Databases: Competent with Oracle, MySQL, DB2, and NoSQL databases such as MongoDB. Tools & Technologies: Proficient in using IDEs like Eclipse, IntelliJ, and NetBeans, build tools like Maven, and logging tools like Log4J. Experienced with version control systems like Subversion and GIT. Cloud & Project Management: Familiarity with cloud computing environments like AWS and GCP. Skilled in using JIRA for agile project management. 🌐 Professional Impact: I've contributed to complex projects with a focus on scalability, reliability, and innovation. My experience spans from enhancing monitoring alert systems to developing Kafka Connect Services for robust data analysis and system monitoring. Recognized for my strong collaboration, communication, and effective time management skills, I'm a team player who's driven to elevate the capabilities and productivity of my peers. 🚀 Career Aspiration: Eager to tackle new challenges, I'm looking for opportunities where I can apply my technical skills and creative problem-solving abilities to contribute to meaningful projects. My goal is to continuously learn and grow, pushing the boundaries of technology to create exceptional experiences and solutions. Let's connect and explore how we can collaborate on future technologies! ## Work Experience ### Software Engineer @ Meta Jan 2024 – Present | New York, United States Built and scaled large-scale monitoring and analytics platforms supporting incident investigation and product health at scale, spanning interactive analytics UIs and distributed data aggregation pipelines for real-time and historical analysis. Architected and delivered unified monitoring and reliability workflows from scratch using Hack, PHP, React, GraphQL, Thrift, Python and other services, enabling scalable oncall operations, reusable system components, and long-term platform extensibility across teams. Designed and implemented agent-based investigation tooling using LLM-backed systems, focusing on robust orchestration, fallback handling, and evaluation workflows to improve analysis accuracy and operational efficiency in production environments. ### Full Stack Software Engineer @ Walmart Health & Wellness Jan 2024 – Jan 2024 | Hoboken, New Jersey, United States • Enhanced security and user experience for Walmart Health Virtual Care platform by developing an advanced secure logout mechanism leveraging cookie analysis, dynamic user redirection, and integration with ID OL services, utilizing backend technologies. • Improved system security and user privacy by establishing a robust mechanism for clearing authentication-related cookies using advanced cryptographic techniques and integrating with Redis and Elasticsearch. • Streamlined user experience and maintained engagement by engineering a complex redirection system to guide users to appropriate URLs based on their account types after logout, ensuring seamless API transitions. • Ensured real-time accuracy in user data handling by collaborating cross-functionally to transition from mock service to live ID OL service responses, leveraging SQL databases. • Aligned project outcomes with organizational goals by working closely with cross-functional teams and stakeholders to refine and implement service features for Walmart Health platform, using React and JavaScript. • Integrated the Consent Table into the Gen V1 ingestion pipeline using Informix triggers and stored procedures for real-time metadata synchronization. Optimized trigger mechanisms with SQL adjustments to support both batch and single packet processing, ensuring reliable data transfer for Consent Table entries. • Developed validation logic and replay functionalities for Consent Table data packets, using Python to implement packet verification checks and SQL scripts to perform in-depth data validation. These enhancements enabled efficient handling of missed or corrupted packets, ensuring data integrity and regulatory compliance. • Configured batch synchronization parameters to manage large datasets effectively, especially for RDM and drug tables. Utilized Python scripts to monitor and manage processing queues, balancing load distribution across Gen V1 processes to handle high-priority data efficiently. ### Software Engineer @ Walmart Global Tech Jan 2021 – Jan 2024 | Sunnyvale, California, United States • Revamped the monitoring alert system by rewriting Jenkins scripts in Python and integrating with Google Cloud Functions, leveraging Google Cloud Scheduler for efficient, automated monitoring and notification through email, Slack, and XMatters. • Developing Dialog Connector simulator for the Walmart Contact Center AI Platform from scratch, crucial for IVR system testing, simulating real-world interactions and incorporating Text-to-Speech and Speech-to-Text functionalities. • Played a key role in enhancing Walmart's CCAI platform, enabling integration with telecom providers like Avaya, InContact, Cisco, and focusing on AI and NLP-driven customer service improvements. • Spearheaded HIPAA compliance efforts for major services such as Converse, Comex, and CCAI, replacing non-compliant elements, enforcing data access controls, and integrating audit logs with Splunk for enhanced data security. • Developed a Kafka Connect Service (KaaS Sink Connector) for CCAI and Converse, crucial for managing and storing logs in Google BigQuery, significantly boosting data analysis and system monitoring. ## Education ### Bachelor's degree in Computer Science Rutgers University–New Brunswick ## Contact & Social - LinkedIn: https://linkedin.com/in/wz123 --- Source: https://flows.cv/weijizheng JSON Resume: https://flows.cv/weijizheng/resume.json Last updated: 2026-04-05