Reval Logo
Browse TalentFind TalentOpen JobsPricingFAQsGet Started
ScreenedIdentity Verified
No cost, no commitment - we'll make a personal intro
YL

Yu Liu

Senior Big Data Engineer specializing in AML/KYC compliance and cloud data platforms

CitigroupUniversity of MissouriNew York, NY17 Years ExperienceSenior LevelWorks Remote

Connect with Yu

Yu already has a relationship with Reval, so a warm intro from us gets a much better response than cold outreach.

Typically responds within 24 hours

Recommended

Already have an account?

About

Data engineer with experience delivering an end-to-end pipeline handling ~3.5TB in a star-schema setup (fact + dimensions) and producing business-facing tables in Hive/Spark. Identified and resolved UAT-reported duplicate issues caused by joins through root-cause analysis, and also built automation to run Spark SQL metrics on weekly/monthly/quarterly cadences and distribute results to users.

Hire with Reval

Find your next great hire

Our AI agents source, screen, and vet candidates for your open roles. Get qualified candidates within 48 hours.

$250one-time kickoff
10%on successful hire
Post a Role90-day money-back guarantee

Key Strengths

  • Owned end-to-end data pipeline (ingestion to business-facing tables) at ~3.5TB scale
  • Data quality validation practices (counts, duplicates, null checks, group-by reconciliation)
  • Debugged production/UAT data duplication via join analysis and intermediate-table verification
  • Automated recurring BI metric generation with Spark SQL and delivered results as CSV on multiple cadences
  • Built internal Selenium-based scraping to track job status and notify downstream users

Like what you see? We'll introduce you to Yu directly.

Experience

Big Data Engineer-contractCiti · Oct 2024 – Dec 2025contract
Big Data Engineer-ContractWells Fargo · Aug 2023 – Oct 2024contract
KYC Data Developer-ContractBank of China-USA · Jan 2023 – Jul 2023contract
Big Data Engineer-FTE Dept: GFTCiti · Jul 2020 – Nov 2022
Data Developer-FTERedPulse · Dec 2017 – Jun 2020
IT Business Analyst-Full timeIKEA · Nov 2015 – Nov 2017
Data Analyst-InternAmerican Pile driving Equipment Inc. · Jan 2015 – Oct 2015internship
IT Specialist-ContractExxonMobil · Oct 2010 – Dec 2012contract
System Analyst-Full timeKanebo Cosmetics · Jul 2006 – Oct 2010

Education

University of Missourimaster, Marketing Analytics (2014)
Shanghai Ocean Universitybachelor, Information Management & Information Systems (2006)

Skills

PythonJavaScriptShell ScriptingSQLMySQLPostgreSQLRedisApache SparkPySparkDjangoFastAPIReactHTMLCSSSelenium

Languages

English

Browse Similar

Data & AnalyticsData & Analytics in NYC MetroPythonJavaScriptShell ScriptingSQL

Similar Candidates

AS

Ajay Singaravelu

Senior Full-Stack/Data Engineer specializing in cloud data platforms and big data pipelines

New York, NY6y exp
BarclaysTroy University
PythonPandasApache SparkPySparkSQLNoSQL+132
View profile
GR

girish reddy

Senior GenAI/ML Engineer specializing in LLMs, RAG, and MLOps

Mountainview, CA11y exp
IntuitSaint Louis University
A/B TestingAgentic AIApache HadoopApache HiveApache KafkaApache Spark+190
View profile
AB

Ankush Banthia

Screened

Senior Data & Platform Engineer specializing in cloud-native streaming and distributed systems

USA10y exp
JPMorgan ChaseNew York Institute of Technology

“Financial data engineer who has built and operated high-volume batch + streaming pipelines (200–300 GB/day; 5–10k events/sec) using AWS, Spark/Delta, Airflow, Kafka, and Snowflake, with strong emphasis on data quality and reliability. Demonstrated measurable impact via 99.9% SLA adherence, major reductions in bad records/nulls, MTTR improvements, and significant latency/runtime/query performance gains; also built a distributed web-scraping system processing 5–10M records/day with anti-bot and schema-drift defenses.”

Team BuildingOnboardingMentoringAgileScrumJira+150
View profile
AV

Amit Vyas

Mid-level AI Software Engineer specializing in backend systems and RAG

Columbus, OH5y exp
The Ohio State UniversityCleveland State University
PythonCC++JavaJavaScriptDjango+63
View profile

Interested in Yu?

We'll personally introduce you - no strings attached.

For Hiring Teams

Build your dream team with Reval

Our AI agents source, screen, and vet candidates for your open roles. Get qualified, high-intent candidates on your desk within 48 hours.

$250one-time kickoff
10%on successful hire
48hrsto first candidates
Post a Role90-day money-back guarantee. A fraction of traditional agency fees.

Discover more candidates like Yu

Search across thousands of pre-screened, high-quality, high-intent candidates on Reval.

Search Talent

Connect with Yu

Yu already has a relationship with Reval, so a warm intro from us gets a much better response than cold outreach.

Typically responds within 24 hours

Recommended

Already have an account?

Hire with Reval

Find your next great hire

Our AI agents source, screen, and vet candidates for your open roles. Get qualified candidates within 48 hours.

$250one-time kickoff
10%on successful hire
Post a Role90-day money-back guarantee
Yu LiuSenior Big Data Engineer specializing in AML/KYC compliance and cloud data platforms