I am a software engineer with over 25 years of experience across Java, Python, C++, Rust, Go, and a broad range of backend, data, cloud, and AI technologies. I excel at designing robust architectures, solving complex problems quickly, and delivering scalable solutions in collaboration with cross-functional teams. I continually expand my skill set, exploring AI advancements, big data processing, and modern deployment practices to contribute to product success and organizational productivity. Throughout my career I’ve worked in fintech, real estate, media, and e-commerce domains, building real-time data pipelines, risk/fraud systems, and enterprise applications. I thrive in fast-paced environments, value clear communication, and am committed to mentoring teammates and sharing knowledge to achieve collective goals.

Guangde Wang

I am a software engineer with over 25 years of experience across Java, Python, C++, Rust, Go, and a broad range of backend, data, cloud, and AI technologies. I excel at designing robust architectures, solving complex problems quickly, and delivering scalable solutions in collaboration with cross-functional teams. I continually expand my skill set, exploring AI advancements, big data processing, and modern deployment practices to contribute to product success and organizational productivity. Throughout my career I’ve worked in fintech, real estate, media, and e-commerce domains, building real-time data pipelines, risk/fraud systems, and enterprise applications. I thrive in fast-paced environments, value clear communication, and am committed to mentoring teammates and sharing knowledge to achieve collective goals.

Available to hire

I am a software engineer with over 25 years of experience across Java, Python, C++, Rust, Go, and a broad range of backend, data, cloud, and AI technologies. I excel at designing robust architectures, solving complex problems quickly, and delivering scalable solutions in collaboration with cross-functional teams. I continually expand my skill set, exploring AI advancements, big data processing, and modern deployment practices to contribute to product success and organizational productivity.

Throughout my career I’ve worked in fintech, real estate, media, and e-commerce domains, building real-time data pipelines, risk/fraud systems, and enterprise applications. I thrive in fast-paced environments, value clear communication, and am committed to mentoring teammates and sharing knowledge to achieve collective goals.

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Experience Level

Expert
Expert
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Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Intermediate
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Work Experience

Software Engineer at Paytm
August 1, 2018 - December 1, 2025
Developed risk, fraud detection, and ML-enabled feature store, event registry, data warehouse/lakehouse, and real-time data processing. Worked with Spark/Flink (Scala/Java), Python, Spring Boot, Cassandra, Docker, Kubernetes; built CLI tools in Rust and Go; explored AI, LLMs, vector databases (Qdrant) and RAGs; backend Java services and PCI-focused applications; contributed to crypto exchange and mobile payments platforms; environment included AWS, Argo CD, Terraform, and Spark/Scala/Akka.
Senior Application Designer (Java) at Teranet
April 1, 2018 - August 1, 2018
Developed pay tickets projects using modern Java/J2EE tech; Linux server clusters, PostgreSQL, Apache Tomcat; REST backend; Angular frontend; OAuth; Agile (Scrum) with Gerrit and Jenkins.
Senior Software Engineer (Java) at Sysomos
April 1, 2015 - March 1, 2018
Built Sysomos Listen/Heartbeat and Search/Map using Kafka streaming, SolrCloud, OAuth, grid computing, Couchbase NoSQL, Apache Ignite caching; real-time social media listening/search; Linux-based servers; Agile development with Scrum, Bitbucket, JIRA, Git, Maven.
Application Developer (Java, Senior) at Stewart Title Guaranty
September 1, 2009 - April 1, 2015
Led development of the Brief Convey real estate conveyancer application; Java/Swing/RMI; Web services (JAX-WS, CXF, Axis); Tomcat; MS SQL; PDF generation and document workflows; multi-language support; feature development and stability improvements.
Senior Java Developer (Contract) at LoyaltyOne
April 1, 2009 - July 1, 2009
Developed JazPoints and KIT loyalty web applications; Java EE, JSP, ATG Dynamo, WebLogic; Oracle; wrote Perl scripts for content repository translation.
Senior Software Developer (Contract) at ORDERLINE (LASERS EDGE)
July 1, 2008 - March 1, 2009
Developed e-Forms for LSUC member annual reports; Java EE, JSP, Spring, JBoss; dynamic PDF generation; high-availability clustering and load balancing.
Application Developer, Software Engineer at Henderson BAS
July 1, 2002 - June 1, 2008
Led teams on Ogilvy Renault, Nintendo Wii, OLG projects; Mortgage Broker Tool with calculators; charting; IBM WebSphere; multi-language support; backend development and data processing.
Software Consultant at Kincess International
October 1, 2001 - July 1, 2002
Developed ASP/JSP/J2EE/EJB applications; delivery of enterprise solutions.
Team Lead at Vcom Canada Holdings
May 1, 2000 - September 1, 2001
Led a four-person team to design and develop an instant messaging system for TV set-top boxes, PCs, and web; messaging protocol design; bug tracking system.
programmer at Internet Developers Corp
August 1, 1999 - April 1, 2000
Built e-commerce website and various client applications (e.g., WrestlingMall.com); web-based solutions.
Research Assistant and Teaching Assistant at University of Waterloo
September 1, 1997 - October 1, 1998
Coded numerical analysis tools in Visual Basic and C++; assisted teaching; academic research support.
Engineer at Shanghai Municipal Gas Company
August 1, 1988 - March 1, 1995
Coded data processing programs and related tooling.
Research Assistant and Teaching Assistant at East China University of Science and Technology
September 1, 1985 - July 1, 1988
Researched process simulation; programmed mathematical models and plotting utilities.

Education

Bachelor of Science in Computer Science at American Sentinel University
September 1, 2001 - February 1, 2011
Postgraduate diploma in Applied Information Technology at Information Technology Institute
October 1, 1998 - July 1, 1999
PhD Program at University of Waterloo
August 1, 1997 - October 1, 1998
Master's Degree at East China University of Science and Technology
September 1, 1985 - September 1, 1988
Bachelor's Degree at East China University of Science and Technology
July 1, 1981 - July 1, 1985

Qualifications

Add your qualifications or awards here.

Industry Experience

Computers & Electronics, Software & Internet, Financial Services, Real Estate & Construction, Professional Services, Media & Entertainment