Jeff Baranski

jeff.baranski@outlook.com | Washington, D.C. | https://www.jeffbaranski.com

Summary

Curious and motivated Engineering Manager with a proven track record of delivering highly available, scalable, and performant software responsible for serving millions of customers daily.

Experience

Capital One 03/2021-Present

• Manager, Lead Software Engineer

  • Manage a team of software engineers developing mission critical high transaction per second low latency web services. On average ~10,000 TPS and ~13ms response times. Every Capital One service across all lines of business use these APIs as the source of truth for customer account information. Define and groom product roadmaps. Mentor and coach direct reports. Assist with technical and non-technical issues to keep the team unblocked. Recruit internal and external candidates by conducting technical and behavioral interviews.

  • Successfully lead engineering effort from ideation to production release on an enhancement to eliminate redundant downstream API calls by sourcing data from the database directly. Improved response times by ~35%, from ~20ms to ~13ms. Led to ~70% decrease in requests to the downstream API, from ~2.7 billion daily requests to ~834 million daily requests, resulting in ~$87,000 annual infrastructure cost savings.

  • Technologies used: Java, Spring Boot, Cassandra, Python, AWS: Lambda, ECS.

• Senior Software Engineer

  • Successfully lead engineering effort from ideation to production release on an AWS EMR distributed data processing product that determines which customers to target for in app messaging related to their credit card, auto loan, and bank account data sharing activities with 3rd parties. We’re sending notifications to about ~3 million customers every day and counting. Recognized with quarterly “relentless commitment to excellence” award in Q2 of 2022 for my contributions leading this project.

  • Technologies used: Python, PySpark, Hadoop, AWS: Lambda, EMR.

Verisign 03/2020-03/2021 (1 year) - Software Engineer

Knexus Research Corporation 01/2019-03/2020 (1 year 2 months) - Senior Software Engineer

Infor 02/2009-12/2019 (9 years 10 months) - Senior Software Engineer

• Tech Lead and full stack software development on a multi-tenant Java EE asset management application with a Fortune 500 customer base.
• Managed a team of six onsite and offshore developers, which included regular travel to Hyderabad, India for face to face co-working and training.

Education

• MS in Computer Science 08/2022: Vanderbilt University (Grade: 4.0/4.0)

• BS in Computer Science 12/2008: University of South Carolina (Upstate)

Licenses & certifications

• AWS Knowledge: Serverless 07/2023

• AWS Certified Solutions Architect - Associate 12/2021-12/2024

• Department of Defense (DoD) secret security clearance 01/2019-03/2020

Volunteer

• Capital One Mentor junior software engineers.

• CodePath Mentor university computer science students.