Steven Zelaznik

• Worked directly with non-technical stakeholders
• Managed criminal background checks for 80,000 drivers
• Led the transition of a legacy Rails app to a modern Docker platform
• Rebuilt full text search, load time reduced from 30 sec to 200 ms
• Troubleshooted the entire stack from CSS to the Linux system configurations

• Built front-end and back-end tools in React-JS and Python/Django
• Integrated with 3rd party API web-hooks
• Helped patients find cheapest, most effective doctors, making healthcare more affordable.

Maintained and expanded Rails/EmberJS/PostgreSQL website to manage electronic health records (EHR) for 1,000 doctors and 40,000 patients. Worked in SCRUM, TDD, and continuous integration environment.

• Built REST API's with zero-downtime
• Rebuilt scheduling app to enable telehealth, working closely with stakeholders
• Built interface to allow patients to export data to other EHRs using XML and CCDAs.
• Made our websites WCAG compliant, reducing legal exposure
• Managed and planned project to make patient app comply with WCAG guidelines
• Orchestrated efficient large-scale software deployments.

• Created new method to generate random seeds for financial simulations.
• Achieved same precision of results with 1/30th as much computing power.
• Researched alternative hedging strategies. Projected savings: $50 million/year.
• Designed schema and built audit trail in Python/PostgreSQL to track daily hedging.

• Rebuilt interest rate curve engines for use in 31 countries; went live in 3 weeks
• Built XML API to manipulate actuarial software from Excel
• Improved efficiency of VBA tools for financial reporting, shortening days of work for quarterly reporting from 21 to 5.