Warren XIE
@warrenxie
Senior Java Backend Engineer at Forms Syntron who cut 30M-record batch processing from 30 minutes to 2.
CanadaWhat I'm looking for
At Forms Syntron Information Co., Ltd., I built and operated secure Java microservices and partner-facing APIs for banking loyalty and payment integrations. These services supported platforms with 700M users and more than 500K cross-border transactions each month.
I optimized event-driven and batch processing with Kafka and Spring Batch for 30M+ nightly records, reducing runtime from about 30 minutes to about two. I also troubleshot production incidents and supported releases.
At Shenzhen Cloudstar Ltd., I containerized and modernized backend deployments with Docker and Kubernetes, reducing the release cycle from two days to two hours. I also refined RabbitMQ communication patterns, improving average API latency by about 40%.
At Shenzhen Faben Information Technology Co., Ltd, I contributed to moving policy-related services from WebLogic monoliths to Spring Boot microservices. I redesigned endorsement ledger persistence to reduce the database footprint by about 30% and automated remediation scripts for 500+ data-quality issues.
Experience
Work history, roles, and key accomplishments
Senior Java Engineer
Forms Syntron Information Co., Ltd.
Sep 2019 - Jun 2023 (3 years 9 months)
Built and operated secure Java microservices and partner-facing APIs for banking loyalty/payment integrations. Optimized event-driven and batch processing with Kafka and Spring Batch, reducing processing runtime from ~30 minutes to ~2 minutes.
Intermediate Java Developer – Cloud Computing
Shenzhen Cloudstar Ltd.
Jun 2019 - Sep 2019 (3 months)
Containerized and modernized backend deployments with Docker and Kubernetes, reducing release cycle from 2 days to 2 hours. Improved asynchronous integration performance by refining RabbitMQ communication patterns, reducing average API latency by ~40%.
Junior Java Developer
Shenzhen Faben Information Technology Co., Ltd
Mar 2017 - Jun 2019 (2 years 3 months)
Contributed to migration from WebLogic monolith services to Spring Boot microservices for policy-related domains. Improved storage/query efficiency by redesigning endorsement ledger persistence, reducing database footprint by ~30%.
Education
Degrees, certifications, and relevant coursework
Algonquin College
Ontario College Diploma, Computer Programming
2023 - 2025
Completed an Ontario College Diploma in Computer Programming, covering software development and programming fundamentals.
University of Electronic Science and Technology of China
Diploma, Computer Science and Technology
2016 - 2019
Earned a Diploma in Computer Science and Technology, focusing on core computer science principles and applications.
Guangdong Polytechnic Institute
Diploma, Computer Information Management
2008 - 2011
Completed a Diploma in Computer Information Management, covering information systems and management.
Tech stack
Software and tools used professionally
Availability
Location
CanadaAuthorized to work in
Website
warrenhua2008.comSalary expectations
Social media
Job categories
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