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Check out my Youtube Channel - www.youtube.com/user/timc3406I am a data engineer responsible for designing pipelines, implementing a wide array of technologies, data modeling, supporting analysts and building work management systems. Interested in the latest and greatest tech. Experience with AWS, GCP and some Azure. I love open-source, machine-learning and all things data.I am really more than a data engineer, I wear many hats including full-stack developer, devops/systems engineer and data scientist. I also used to be a data consultant specializing in data conversion and analytics for over 3 years. I am proficient in object-oriented programming languages like Java, Python, Ruby. I have expert experience with SQL and relational databases. I also have experience using statistical and visualization tools like R, SAS, and Tableau.I was also a trader for 4 years. I have dabbled in various industries including finance, government, and manufacturing. I took an interest in big data and have been developing my career in it ever since. Technical Skills:• SQL- Experienced working with all of it. Postgres, SQL Server, Oracle, mySQL. Written T-SQL and PLSQL scripts for data cleanup, transformation, reporting and analysis. Data normalization, modeling and architecture all familiar concepts.• Python/Ruby/Java/Clojure- Experienced programmer for a variety of development project. Building infrastructure, user applications, interfaces, data pipelines, used Airflow for WMS, have played around with NLP libraries, writing transformations logic and various algorithms. Use pandas extensively.• SAS- Experienced using MACROS, applied statistical analysis techniques and used as ETL tool• R- Experienced in data analysis, data visualization, big data exercises • Other: git, bash, docker, Spark, Kafka, RubyonRails, Flask, Django, ElasticSearch, Neo4J, MongoDB, Redis, bootstrap, DataDog, Sumologic and probably more I've touched
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Data EngineerMetaSan Jose, Ca, Us
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Software EngineerAmazon Sep 2022 - PresentSeattle, Wa, UsDevices Team: LEAP (Launch Execution of Amazon Products) -
Data EngineerMeta Jun 2020 - Sep 2022Menlo Park, Ca, UsCentral Product Platform - Identity MatchingBuilding frameworks and using machine learning to support cross product strategy
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Data EngineerOpploans Sep 2019 - Jun 2020Chicago, Il, UsDeveloping software using a micro-services model and building data pipelines. I am a jack of all trades, contributing to Devops, Software Engineering (backend), Data Governance, Architecture, and the Analytics. I regularly work using AWS, Snowflake, Postgres, Ruby on Rails, Python, Airflow, Docker, git. Aiming to unify data from all our technologies to discover insights and add quantifiable value to the company! -
Data EngineerVillagemd Mar 2019 - Sep 2019Chicago, Illinois, UsBuilding a data pipeline using the latest tech; AirFlow as the work management system, Kafka for data distribution, AWS for service hosting, R and SAS integration for machine learning, Salesforce for CRM, SQL Server/Postgres/mySQL as datamarts and Flask for web applications. VillageMD uses a python tech stack -
Data EngineerEvolent Health Apr 2018 - Mar 2019Arlington, Va, UsMaintaining and fine-tuning the end-to-end ETL process using SAS Macros and Sql Server in tandem. My team retrieves big data from a wide array of healthcare sources, merges the information to discover better insights and communicates strategies using reporting for our payer clients. We are in charge of data quality assurance and the cross-integration of various data analytic platforms. Using a LINUX server and GIT for version control.Have been exploring open source technology solutions using python (involves libraries/tools like pandas, numpy, sqlalchemy, dash, docker, airflow, google Cloud) I am currently responsible for developing a single payer client's data processing automating daily, weekly and monthly jobs.Large scale upgrade coming in the fall where databases will be stored on the cloud (using Microsoft Azure) for scalability and speed. This may demand a redesign of ETL and improvements in efficiency for our algorithms. -
Data Conversion ConsultantFast Enterprises, Llc Jan 2015 - Mar 2018Centennial, Co, UsResponsible for planning, designing and implementing data conversion from legacy system to Fast Enterprise's Gentax. This includes but is not limited to ETL (extraction, transformation, loading), data analysis, data visualization and reporting depending on the priorities of the project. I consult with the business analysts advising how data will be analyzed, maintained and stored. I work closely with the software developers ensuring data is used efficiently. I also work with the IT team setting up hardware and configuration.My area of expertise is SQL (SQL Server and Oracle experience). Company develops in VB.net but my base languages are in Java and Python. I am familiar with using statistical programming languages (SAS and R) as well as using visualization software like Tableau. Favorite part of job is that moment of breakthrough. -
Data Analyst InternAhima Jun 2014 - Aug 2014Chicago, Il, UsData mining and cleanup with the data analytics team. In charge of integrating information from a previous AMS to a newly acquired system. -
Supply Chain AnalystCj Cheiljedang Bio Oct 2012 - Aug 2013Jung-Gu, Seoul, KrAnalyzed company profit margins and expenses using large data-sets from SAP. Determined monthly purchasing prices for bio-materials such as nucleotides, lysine, threonine, and tryptophan to ensure a net profit for the year. Prepared settlement reports with detailed analysis to help forecast future sales and market prices.Oversaw logistics and distribution of materials shipping in from South America and Asia. Worked closely with both the sales and accounting teams to minimize costs of purchasing and sales. -
Fixed Income TraderSheer Trading Chicago Jun 2012 - Sep 2012Traded 10-year Treasury Note Futures exclusively based on Fibonacci support and resistance levels. Researched treasury related news, speeches from the Board of Governors and auction numbers through RANsquawk.
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Proprietary TraderGambit Trading Llc. Oct 2009 - May 2012UsSpecialized in trading US Treasury Bond Futures and Eurodollar Futures through the Chicago Mercantile Exchange. Our company implemented both long and short term strategies including following trends, curve trading, and fading over-extensions. Personally researched financial news events such as Purchasing Managers Indexes (PMI), unemployment rates, treasury yield announcements and Federal Open Market Committee (FOMC) minutes. Recorded daily P & L transactions throughout the year to identify the most lucrative time frames and maximize profit. -
InternAccenture Sep 2009 - Oct 2009Dublin 2, IeStrategy consulting for smart grid implementation on a global scale. Researching and assessing "Technology Action Plan on Smart Grid" in collaboration with government of Italy and South Korea
Timothy Chang Skills
Timothy Chang Education Details
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Northwestern UniversityEconomics -
University Of Illinois Chicago-College Of Business AdministrationManagement Information Systems And Services
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University Of ChicagoData Analytics
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University Of ChicagoAnalytics
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University Of ChicagoAnalytics
Frequently Asked Questions about Timothy Chang
What company does Timothy Chang work for?
Timothy Chang works for Meta
What is Timothy Chang's role at the current company?
Timothy Chang's current role is Data Engineer.
What is Timothy Chang's email address?
Timothy Chang's email address is ti****@****ail.com
What is Timothy Chang's direct phone number?
Timothy Chang's direct phone number is +184730*****
What schools did Timothy Chang attend?
Timothy Chang attended Northwestern University, University Of Illinois Chicago-College Of Business Administration, University Of Chicago, University Of Chicago, University Of Chicago.
What skills is Timothy Chang known for?
Timothy Chang has skills like Proprietary Trading, Trading Strategies, Data Mining, Financial Markets, Trading, Bloomberg, Data Analytics, Electronic Trading, Trading Systems, Technical Analysis, Fixed Income, Sql.
Who are Timothy Chang's colleagues?
Timothy Chang's colleagues are Andrew Kenn, Elsa Nitario, Abed Naser, Karpaga Ganesh Patchirajan, Vrishal Kulkarni, Alfredo Tadeo, Bridget Rushing.
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