Jazz Yao-Tsung Wang

Roles:

• Center strategy: presenting/engaging with potential customer. Award/government founding applications.
• Program Management: work with TAO and CDK PMO. Track 7 KPI Metrics. Monthly Leaves. QBR Demo. Innovation Ideas. Proactively lead change management based on signed SOW contracts.
• People Management: recruit and manage 8+ Scrum teams, 61+ members. resolve cross-region internal conflicts. coach cross-culture communication using O.R.I.D facilitation skill. define leave/WFH/WFR polocies.
• Engingeering Management: resolve IT blockers. provide technical and strategy guidance. share business domain insights. facilitate cross-functional communication. identify and resolve cross-team conflicts. Support cloud-native modernization initiatives for CDK Global products deployed on AWS EKS (Kubernetes).
• Indivisual Contributor: develop reverse engineering tool using local LLM. develop daily operation automation and data comparison tool.
• Daily Operation: collect daily (including weekend) export files to streamline data migration workflow for BAs/DEVs/QEs.

Achievements:

• [GenAI POC] (A) Legacy codebase Reverse Engineering Tool
• [GenAI POC] (B) MS Teams Live caption and recording transcript summary
• [GenAI POC] (C) Apply semantic/systematic analysis and create visualization of BA Jira tickets using LatentScope.

Soft skills used:

• Conflict Resolution
• Negotiation
• English
• Distributed Team

Technologies used:

• Databricks
• Snowflake
• AWS EKS
• Confluent Kafka
• Aider
• OpenCode
• OpenSpec (SDD)
• Ollama
• Qwen 2.5/3/3.5
• Gemini 2.5/3
• Bash
• Python
• Playwright

Roles:

• People Management: recruit and manage 9 Scrum teams, 90+ members. Coach and define development plan for every member.
• Stakeholder Management: communicate with different roles across 5 organizations (ACS, Innova, Persistent, CHC, Optum).
• Architect: support data architecture design and troubleshoot production issues. Follow Domain-Driven Design (DDD) principles from Change Healthcare Architect. Support cloud-native modernization for healthcare products. Design security using AWS SSM and Secrets Manager for credential protection on ECS. Define Disaster Recovery plan. Conduct architecture review (e.g. circuit breaker). Reverse engineer legacy Shop Site architecture which Adobe Experience Manager (AEM) and deployed to Azure.

Achievements:

• [AI POC] Hospital Price Transparency Chatbot with LangChain and GPT-3.5. 🖥️
• [Data] Build HL7 C-CDA and FHIRv4 Synthetic Test Data Generator with Synthea.
• [Performance] Optimize AWS EMR performance by using distributed profiler, creating flamegraph and analyze Spark History Server logs.
• [Security] Apply multi-VPC design to ensure cloud network security (API gateway, microservice endpoint, data layer).
• [Culture] Build 'Confluence Insight' to observe team development progress.
• [Scrum] Establish the 'Asynchronous Communication Model' for 5 teams.
• [Innovation] Submit 3 Invention Disclosure.

Soft skills used:

• Conflict Resolution
• Negotiation
• English
• Facilitator
• Retrospective
• Distributed Team

Technologies used:

• AWS EMR
• AWS Glue
• AWS RDS (MySQL/PostgreSQL)
• AWS ECS
• AWS Lambda
• AWS SSM
• AWS Secrets Manager
• Apigee
• Apache Spark
• Scala
• Python
• Golang
• LangChain
• Chainlit
• OpenAI GPT-3.5/4

Roles:

• Cloud/Net/Sys Admin: manage on-premises data center infrastructure and automation deployment Ansible script to Azure & GCP.
• Architect: refine data pipeline. Reduce operational cost. Design and implement full-stack monitoring and notification architecture.

Achievements:

• [Data] migrate data pipeline to Kafka. Reduce 65% of Cassandra Cost.
• [DevOps] Enable Full Stack Monitoring and Notification with Prometheus.
  Reduce MTTR from hours to 10 minutes.
• [Law] Write GDPR documents for audience and publisher.
• [Talk] Share Introduction to K8s Big Data SIG at Kubernetes Meetup Taiwan.

Technologies used:

• Azure
• GCP L7 loadbalancer
• Prometheus
• Grafana
• Docker
• Ansible
• Java
• Cisco router
• DNS
• Jenkins
• Ceph
• Kafka
• Cassandra

Roles:

• Product Owner: define data platform roadmap and specification of Etu Manager 2.5 & 3 software appliance based on Cloudera Manager, which support high-availability and backup.
• Pre-sales & Solution Architect: team with Sales and BD to provide solutions.
• Architect & Evangelist: promoting ASF Big Data ecosystem in Taiwan.

Achievements:

• [Product] build and sell Etu Manager to 5 customers.
• [Profit] covers 50% annual revenue in 2015.
• [Innovation] receive 2 TW and US patents.
• [Talk] Share Introduction to Big Data Platform Security at Open Source Conference.

Technologies used:

• Cloudera Manager
• Cloudera CDH
• Apache Hadoop
• Apache Hive
• Apache HBase
• Apache Sqoop
• Apache Impala
• PostgreSQL
• Bootstrap
• Docker
• VirtualBox
• CentOS
• Puppet
• Vagrant
• Ceph

Roles:

• Principal Investigator (PI): manage up to 4 teams, 25 members for government-funded projects.
• Project Manager: manage projects from university, ITRI, TWNIC, MiTAC (TRTC), etc.
• System Admin: maintain Hadoop Cluster, underwater ecology observation system (video streaming for coral reef) and Agriculture Grid.
• Developer: develop hadoop4win, drbl-hadoop, etc.

Achievements:

• [Embedded] develop the Wireless Service Unit (WSU) of TRTC (Metro Taipei).
• [Hadoop] build 'Hadoop as a service', 4000+ registered users (2009/03 ~ 2014/04).
• [DRBL/Clonezilla] 2008 Award for Outstanding Contributions in Science and Technology.
• [Innovation] receive 1 TW patent.

Technologies used:

• PC Cluster
• OpenPBD (Torque)
• Lustre
• GPFS
• PXE Boot
• Apache Hadoop
• Xen
• KVM
• Grid Computing
• Google Map API
• jQuery
• PHP
• Access Grid
• Video Streaming
• Wireless Sensor Network (WSN)
• Fast Roaming
• C/C++
• NSYS
• Shell Script (Bash)