Yujing S.
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Yujing S. Email & Phone Number

Software Engineer II at ACV Auctions
Location: Greater Toronto Area, Canada 4 work roles 2 schools
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✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
ACV Auctions
Role
Software Engineer II
Location
Greater Toronto Area, Canada
Company size
1051 employees

Who is Yujing S.? Overview

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Yujing S. is listed as Software Engineer II at ACV Auctions, a with 1051 employees, based in Greater Toronto Area, Canada. AeroLeads shows a matched LinkedIn profile for Yujing S..

Yujing S. previously worked as Senior Back-end Developer at Qi An Xin Technology Group and Big Data Engineer at Data-Driven Technology. Yujing S. holds Bachelor Of Engineering - Be, Computer Science, 3.85/4.00 from China University Of Geosciences (Beijing).

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ACV Auctions

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About Yujing S.

My curiosity drives my pursuit of innovative solutions that transform industries and enhance lives. With deep expertise across multiple technology domains, from system architecture to data strategy, I have consistently engineered software solutions that lead to significant positive changes.As a backend engineer, I specialize in creating robust and scalable systems through close collaboration with talented teams. My commitment to excellence in system design, data management, and optimization empowers organizations across the cybersecurity, financial services, government, commercial real estate, and retail sectors to leverage technology for transformative advancements.Key Highlights: - Enterprise Solutions: I have designed and implemented CRM systems, data platforms, BI systems, and reporting tools, supporting over 1,500 malls and 300,000 businesses, and managing 15 to 30 million transactions daily in the commercial real estate and retail sectors. - Cybersecurity Products: As the leader of a five-person team, I developed advanced open-source security software that processes data from over 40 million projects, enhancing security protocols at major financial, insurance, and government institutions. - System Design and Optimization: I specialize in optimizing and troubleshooting systems, significantly improving their scalability and performance through strategic refactoring into a microservices architecture. - Innovation and Productivity: I am dedicated to enhancing team productivity. I have introduced standardized development practices and automation scripts that streamline processes and reduce troubleshooting times, providing substantial benefits to our engineering teams.As a proactive and adaptive professional, I thrive in agile and competitive environments, fostering innovation and guiding teams toward excellence.Let’s connect to discuss how we can collaborate to develop impactful, innovative software solutions.

Current workplace

Yujing S.'s current company

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ACV Auctions
Acv Auctions
Software Engineer II
buffalo, new york, united states
Website
acvauctions.com
Employees
1051
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4 roles

Yujing S. work experience

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Software Engineer Ii

Current
Acv Auctions
Jul 2024 - Present

Senior Back-End Developer

Qi An Xin Technology Group

Beijing, China

• Led a 5-member team in the development of an award-winningopen-Source security software, using Java and Spark to process and analyze a base datasetcomprising over 40 million open-source prolects.• Led the migration of monolithic services to scalable, distributed micro-service systems; Achieved a 100% improvement in core service availability while also improving the performance of non-core services by approximately 99.8%.• Improved hierarchical data storing, which maintained query times below 1 second for multi-gigabyte datasets. Collaborated with the team and addressed a 99.5% increase in query efficiency for another issue. • Contributed to weekly software development meetings with a cross-functional team of 10+ engineers, identifying potential risks and solutions.• Optimized performance from a dozen seconds to within 2 seconds with advanced statistics, split table queries and shorter data query links. • Significant Project: Open-Source Security.

Apr 2021 - Sep 2022

Big Data Engineer

Data-Driven Technology

Beijing, China

• Led CDP (Customer Data Platform) development. Increased the average transaction volume by 30%, and improved rental revenue by more than 20%.• Built scalability systems that supported 1,500+ shopping malls and over 300 thousand business organizations with 15-30 million daily transactions. • Transformed the BI platform using technologies such as data compensation and data redundancy. Achieved data accuracy by 99%, and reduced customer complaints by over 80%.• Pioneered the adoption of Batch scripting to automate critical processes. Reduced task completion time and enhanced team productivity. Introduced the script to other teams, benefiting 20+ engineers.• Led standardized development. Reduced time the team spent troubleshooting problems from 2-3 hours to 20-30 minutes.• Significant Projects: BI platform, Customer Data Platform (CDP).

Jul 2018 - Apr 2021
Team & coworkers

Colleagues at ACV Auctions

Other employees you can reach at acvauctions.com. View company contacts for 1051 employees →

AC Angelica Clear Angelica Clear Colleague at Acv AuctionsBuffalo-Niagara Falls Area, United States View → MA Mohamad Alaa Mohamad Alaa Colleague at Acv AuctionsTanta, Al Gharbiyah, Egypt View → GF Gregory Fancher Gregory Fancher Colleague at Acv AuctionsBuffalo-Niagara Falls Area, United States View → WD Wesley Dickey Wesley Dickey Colleague at Acv AuctionsBurlington, North Carolina, United States View → JV John Velez John Velez Colleague at Acv AuctionsNew York City Metropolitan Area, United States View → AH Andrew Heaberlin Andrew Heaberlin Colleague at Acv AuctionsRockledge, Florida, United States View → BD Brett Delia Brett Delia Colleague at Acv AuctionsBuffalo, New York, United States View → AB Adam Batt Adam Batt Colleague at Acv AuctionsBuffalo-Niagara Falls Area, United States View → SR Sean Rigler Sean Rigler Colleague at Acv AuctionsBuffalo, New York, United States View → JB Julian Bravo Julian Bravo Colleague at Acv AuctionsMedellín, Antioquia, Colombia View →
2 education records

Yujing S. education

FAQ

Frequently asked questions about Yujing S.

Quick answers generated from the profile data available on this page.

What company does Yujing S. work for?

Yujing S. works for ACV Auctions.

What is Yujing S.'s role at ACV Auctions?

Yujing S. is listed as Software Engineer II at ACV Auctions.

Where is Yujing S. based?

Yujing S. is based in Greater Toronto Area, Canada while working with ACV Auctions.

What companies has Yujing S. worked for?

Yujing S. has worked for Acv Auctions, Qi An Xin Technology Group, and Data-Driven Technology.

Who are Yujing S.'s colleagues at ACV Auctions?

Yujing S.'s colleagues at ACV Auctions include Angelica Clear, Mohamad Alaa, Gregory Fancher, Wesley Dickey, and John Velez.

How can I contact Yujing S.?

You can use AeroLeads to view verified contact signals for Yujing S. at ACV Auctions, including work email, phone, and LinkedIn data when available.

What schools did Yujing S. attend?

Yujing S. holds Bachelor Of Engineering - Be, Computer Science, 3.85/4.00 from China University Of Geosciences (Beijing).

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