Keith Hartmann Email & Phone Number

New York, NY, US

New York, NY, US

• Led data engineering efforts for the Discovery team at Instagram focused on connecting users to new content through hashtags, search, and exploration.
• Designed and built new data sets, pipelines, metrics, and dashboards critical to the successful launch of hashtag following, a major new feature. Worked with cross-functional partners including engineering, data.
• Migrated metrics for multiple product teams to a new platform which enabled the team to evaluate experiments earlier and with more flexibility and improvements in reduced CPU and storage usage.
• Coordinated data engineering efforts across the Discovery to identify opportunities for better efficiency and consistency through shared code and pipelines. Improved efficiency for critical recommendation and ranking.

New York, NY, US

• Lead architectural design for data governance and other data engineering projects.
• Built solutions to integrate and audit data across data sources in Hadoop (HDFS, Hive), Amazon and Google clouds, databases (MySQL, Oracle, MongoDB), and APIs (Amazon, Google, and others).
• Designed and developed Java and Python frameworks that facilitate querying and moving data between disparate data stores.

New York, NY, US

• Developed tools and performed data analysis to ensure data quality and reliability for the data science and engineering group.
• Built a library of Java classes for Hadoop that provide a simple, robust set of classes for commonly used functions. A multi-tiered architecture allows various tools to share the same core functionality and shields.
• Designed and built a web crawler and proxy server using Python and open-source software to validate tagging on the site and capture detailed logs on HTTP requests, JavaScript errors, and other activity when a page loads.
• Designed an audience development reporting process to measure the effectiveness of web-based ad campaigns.
• Analyzed web logs to audit data quality and completeness with a mix of MapReduce, Pig, and Redshift using several custom MapReduce classes for querying the Hadoop file system, performing custom sorts and groups, and.

Brooklyn, New York, US

• Led efforts to architect and enhance business intelligence systems for the leading, luxury brand site for dresses and accessories.
• Built an object-oriented framework using Python, MongoDB, Perl, and MySQL to process complex logs containing hundreds of different record formats.
• Built an inventory time series data set by combining data from multiple database tables and spreadsheets. Interpolated missing data points for over 30,000 products to generate over 10 million rows of data going back to.
• Designed and built a MySQL data mart to support analytical and reporting requirements enabling users to perform more complex data analysis with greater efficiency and data quality.
• Built sets of reusable code libraries in Python, Perl, PHP, and MySQL to facilitate daily data processing and reporting processes through a unified, robust framework.

New York, New York, US

• Developed business intelligence tools and enhance backend systems for one of the fastest growing vacation travel and booking sites.
• Designed and developed the front end interfaces and backend modules using JavaScript, HTML, CSS, PHP, and MySQL to support processing of vouchers for hotel chain partners, which created a new $1M+ revenue stream for.
• Developed tools to extract and compare deals from travel web sites using PHP and MySQL with a combination of keyword matching, text similarity functions, and pricing rules.
• Upgraded backend systems to accommodate new partner payment options such as single-use credit cards through a SOAP API.
• Researched, sourced and selected a new reporting platform to provide more robust and powerful business analytic tools, with the functionality for self-serve report generation.

New York, New York, US

• Centralized project tracking and reporting processes for a portfolio of 150+ projects for the bank’s wealth management services.
• Spearheaded data cleaning and application testing for a global roll out of an Oracle-based Portfolio Analysis tool.
• Mission control for issue management on the high-visibility Global Data Repository Project.
• Created tools to clean and reformat data on $4B in trades for loading into the Global Data Repository.
• Researched and documented the business requirements, workflows and data models for a new tailored portfolio management tool.

Sunnyvale, CA, US

• Built a scalable data mart that synthesized business intelligence from multiple functional areas to support strategic planning, product development and business growth of Yahoo’s $200M Small Business unit.
• Played an instrumental role in the Small Business unit becoming a corporate top performer and a benchmark of excellence in Business Analytics for other units.

Oakland, California, US

• Contracted to collaborate on a disentanglement and migration strategy for HRIS legacy systems of a company in receivership, in anticipation of a court approved restructuring that would divide the original organization.
• Reverse engineered existing applications (many of which were built on obsolete and unsupported technology) in order to map and document the business logic, dataflows, and technical & functional specifications.

Oakland, California, US

• Designed an Access application to automate the management of $12M in claims-review files, and track performance at both the individual and team level.
• Pinpointed key process and system improvements to increase accuracy, accountability, security, and audit-readiness.

New York, New York, US

• Delivered the high-visibility international private equity fund website projects 25% ahead of schedule.
• Designed content management utilities to improve project planning, maintenance, development, and inter-departmental information flows.
• Built a mission-critical CRM solution to manage relations with high-net-worth investors.

• Advised and supported corporations such as Goldman Sachs, Siemens, and Adobe with the implementation of their PeopleSoft HRIS systems

Master Of Business Administration - Mba, Finance

Bachelor Of Science (Bs), Electrical Engineering - Computer Engineering Concentration

Education record

Lead Program