Colin Tsui

Experience

• 

  IBM

  Jun 1998 - Nov 2000

  Software Development Manager/Senior Software Engineer

  • Managed IT Department of 15 software engineers to support HGA/HSA Manufacturing worldwide (approx. 1,000 users).• Managed HGA/HSA IT budget worldwide ($7M). • Managed various projects successfully (MVS to RISC6000 conversion ($1.5M saving/yr.), Y2K project (30+ engineers worldwide), DB2 OLAP, Manufacturing Defect Detection System, and Manufacturing Yield reports via Intranet).

• 

  StorageWay Inc.

  Nov 2000 - Jul 2002

  Tech. Lead/Sr. Software Engineer

  • Led, architected, developed Insight Customer Web Portal (J2EE app. on storage utility service data).

• 

  Hewlett-Packard

  Aug 2002 - Apr 2014

  Led development of innovative solutions to process high volumes of system and support data, proactively identifying PC issues, and evangelized Big Data solutions across the enterprise globally.● Initiated, architected, and led teams in the US and China to build a telemetry data ingestion and analytics platform for HP PCs, handling 30M+ requests daily from 90M+ devices, using technologies such as JEE, JMS, Cassandra, Hadoop, MapReduce, Vertica, and QlikView. ● Designed a data model in Cassandra and developed a high-availability data persistence module for efficient data storage.● Architected and prototyped a Big Data Lake (Kafka/Hadoop/Spark) for near real-time and batch analytics on Printing and Personal Systems data. Show less • Built and managed offshore Development Team and QA Team in Shanghai, China.• Managed team of 12+ engineers, architected, and developed Customer Offer & Tracking System ($76M) to dynamic offers and contents to PCs and printers using JEE/Web Services/Distributed JMS/Oracle Stored Procedure/SQL.• Managed and developed Button Redirector project (72M+ requests/day) to provide dynamic offers/contents for Consumer PCs.• Managed CEEment Performance Improvement project with distributed team (US/China/Malaysia) of 12+ engineers to improve the performance of web services by 65% to 10M+ requests/day.• Led, architected, and developed Custom RSS Feed Aggregation & Filtering Service for Microsoft Portal/MyAOL Portal (available in 15 countries for first year revenue of $88M). • Led, managed, architected, and implemented projects (EIPD, CEEment) on HP Cloud.• Designed and developed the workflow selection module/matching algorithm in Reach RESTful Web Service project (JAX-RS, JSON, Hibernate). • Designed and developed Elements Persistence System (JMS Persistence Application) using Servlet, Message Driven Bean/EJBs, and JMS on WebLogic server.• Performance tuning all layers of high traffic DB persistence applications (10M+ requests/day) and URL redirection services (82M+ requests/day).• Designed and developed Content Publishing System (Web Service/SOAP). • Invented Software Patent - An Algorithm For Scheduling Heartbeats From Large Number of Clients (PD# 200701646).• Led, mentored, coached software engineers; set coding standard, performed design/code reviews. Show less • Managed Operation-Release team of 10 engineers to deploy releases/hot fixes of web services into multiple environments and support production operation.• Managed operation budget and conducted monthly review with hosting company on operation issues, outstanding tickets, and upcoming releases.• Managed/built/tested Disaster Recovery System on accelerated schedule and developed operation procedures for disaster operation mode. • Managed day-to-day activities, prioritized/addressed/escalated production issues, performed on call schedule planning, conducted post mortem, trained/mentored team members, and recruited engineers.• Managed to meet the Service Level Agreement of various web services and reviewed with product teams.• Managed change management, security vulnerability scanning/remediation, and security compliance. • Managed/migrated Content Publishing System Upgrade project to publish contents of J2EE web services (Rubik and Redirect).• Researched and upgraded technologies and optimized processes. Show less

  • Big Data Evangelist (TCP Master)

    Jan 2011 - Apr 2014

  • Principal Architect/Tech. Lead

    Jan 2006 - Dec 2010

  • Operation-Release Manager

    Aug 2002 - Dec 2005
• 

  Jiff, Inc.

  Apr 2014 - Apr 2017

  Director of Software Engineering

  Established and led an engineering team from ground up to create web and mobile health & wellness applications integrated with fitness IOT devices, fueling growth in a fast-paced, high-achieving startup. • Built and managed high-performing Web Services and Data Science/Analytics teams to deliver key applications, including the Incentives Application (Home Stream Personalization Platform, Navigator Personalization Service, Feedback Service, Survey Service) and Mission Control Reporting Portal.• Defined technology roadmap and data strategy for web services, analytics, and reporting, providing technical leadership in architecture design, development/security guidelines, and process enhancements.• Architected and led the implementation of Jiff Data Lake for health data analytics and reporting using Spark, EMR, and S3. Show less

• 

  Castlight Health

  Apr 2017 - Jun 2017

  Director of Software Engineering

  Castlight Health acquired Jiff in April 2017

• 

  Roche

  Sept 2017 - now

  Led engineering and product management teams to develop a SaaS-based platform supporting Roche’s healthcare products portfolio on cloud and edge, including decision support, data analytics, and laboratory solutions.● Directed a global platform organization of 110+ employees & contractors across 5 countries, overseeing engineering, product management, customer success, support, and operations teams.● Drove software development of navify Platform on cloud & edge, tooling & automation, navify Portal, and navify Algorithm Suite supporting 40+ digital products deployed in 6 AWS regions/countries.● Planned, managed, and tracked $20M budget to support development of platform offerings. ● Achieved $57M+ in cost avoidance by accelerating platform capability delivery, successfully establishing navify Platform as Roche’s chosen platform, from 30+ alternatives, for commercial digital products. ● Achieved cost savings of $10M+ in software tools and outsourcing via contract negotiations.● Drove and improved practices for FinOps (yielding $2.2M+ savings), DevSecOps, software excellence, automation, and frequent releases.● Defined organizational structure supporting comprehensive edge-to-cloud product solutions.● Defined Platform vision, mission, strategy, goals, OKRs, and operating model. ● Built and led team to define architecture, technology direction, product strategy & roadmap, and platform adoption & customer experience program in collaboration with internal and external stakeholders. Show less Headed software engineering for a growing new business at Roche to build a suite of navify-branded Decision Support products to empower doctors and researchers in advancing patient healthcare for cancer and other diseases.● Led global development teams in US and Poland to deliver multiple successful releases of SaaS-based navify Tumor Board and Clinical Decision Support apps, including Clinical Trial Match and Publication Search.● Managed a $16.5M budget, technology roadmap, and cost saving initiatives to support strategic objectives and efficient product delivery.● Represented Roche on the FDA Software Precertification Pilot Program, presenting SDLC and QMS processes directly to the FDA.● Drove technical and quality improvements, achieving 99.9% uptime SLA in production.● Guided the architecture team through critical strategic decisions while mentoring the engineering team to adopt rigorous, insightful approaches in architectural design & planning. ● Collaborated with architects, product, and operations teams to ensure best practices, delivery excellence, and optimal scheduling across all product releases. ● Implemented a bottom-up approach to enhance infrastructure and tools, strengthening team culture and restructuring Scrum teams to build a collaborative, co-located engineering and product team across the US, Poland and India. Show less

  • Head of Platform

    Jun 2021 - now

  • Director of Software Engineering

    Sept 2017 - Jun 2021