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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.…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

Web Developer, Full Stack Developer, Programmer, +2

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

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Expert

Intermediate

Rust

Intermediate

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.