Sam Walczak

Product Manager | Software Engineer

More coming soon

Active Projects

Track Everything

A Python Webapp aimed at creating a digital representation of a user's past and future. Deep interconnection and customizable modules allow for a user's comprehensive tracking of their own personal data.

Primary project, still in development, publicly accessible in beta.

Visit Track Everything

Perfect Nonograms

A Swift application/engine to play and create nonograms with many quality of life improvements over competing apps.

Still in development with a 2026 Q4 planned release date.

Helpful Bash Additions

A standardized console modification allowing striking the balance between simplicity and usability. Powered by Shrimp Alternation.

Live now.

Inactive Projects

Beacon

Interactive convention mapping app built utilizing Ruby on Rails. Originally a group project at Carnegie Mellon University.

View on GitHub

PostChair

Application/physical product built using Ruby, Raspberry Pi, FSRs (Force Sensing Resistor), and furniture. Corrects a user's sitting position via notification upon detection of bad posture. Originally a group project at Carnegie Mellon University.

View on GitHub
2025
2024
2023
2022
2016
2015
2014
October 2024 – Present

IT Specialist (APPSW/INFOSEC)

Department of State, Washington, DC
  • Performed as a government technical monitor for enterprise reporting at the Office of Consular Systems and Technology
  • Managed the development and maintenance of a consular data analytics platform used at hundreds of consular posts
  • Prioritized features, data governance requirements, and technological decisions across three teams and over thirty developers
  • Acted as a contracting officer's representative for consular systems modernization, overseeing over $10,000,000 in funds
  • Supported the development and deployment of predictive analytics artificial intelligence model programs for visa adjudication
January 2024 – October 2024

Senior Software Engineer/Project Manager

AT&T, Oakton, VA (Contract)
  • Led AT&T FirstNet's deliverable standardization project, prioritizing automation efforts for hundreds of monthly deliverables
  • Identified and implemented areas of automation for dozens of existing reports, improving turnaround and compliance
  • Built infrastructure to create reports using Excel, Python, and Power Automate, saving hundreds of labor hours within FirstNet
  • Modernized knowledge management and task management practices, increasing project-wide visibility and accountability
June 2023 – December 2023

Senior Python Development Consultant

Freddie Mac, McLean, VA (Contract)
  • Automated ETL processes for counterparty modeling systems, leading to more centralized and visible datasets for stakeholders
  • Programmed smoke and performance testing for production-level applications, increasing stability and customer confidence
  • Created customer-facing microservices using Python, allowing for on-demand reporting and data-transfer for financial systems
June 2022 – April 2023

Senior Backend Software Engineer

data.ai, Columbia, MD
  • Migrated hundreds of backend tasks to a newer Python 3 architecture, securing code while optimizing application runtime
  • Developed multiple headless browser applications built with Python on AWS, leading to more accurate metric collection
  • Designed and connected microservices for user profiling and credential storage, allowing for easier employee system access
  • Rearchitected backend infrastructure to increase observability, enhancing organizational tracing and monitoring capabilities
August 2016 – June 2022

Senior Software Engineer – Cloud Security (Cyber)

Capital One, McLean, VA
  • Created data loss prevention tools utilizing Python and AWS, scanning petabytes of data to keep the environment secure
  • Detected and remediated vulnerabilities in multiple cloud environments, safeguarding thousands of business applications
  • Implemented multiple enterprise-wide security tools, including AWS GuardDuty and Macie, securing thousands of accounts
  • Standardized and ingested collected data from multiple security platforms, automating ETL processes from beginning to end
  • Led the integration of current tools into non-US jurisdictions, navigating nuanced legislation differences for many countries
  • Built dashboards for security tool metrics using Python, Snowflake, and Tableau, increasing platform accountability
August 2016 – June 2022

Java Developer – Recoveries

Capital One, McLean, VA
  • Developed microservices for accepting and ledgering transactions using Java, processing over 10,000 transactions per day
  • Built a code deployment pipeline on Jenkins with shell scripting, halving deployment time for more than ten teams
  • Bridged mainframe services to the cloud, allowing for unprecedented scalability and cost-cutting for Capital One
  • Proposed and implemented zero-downtime deployment using Ansible and AWS, decreasing downtime by 95 percent
May 2016 – July 2016

Environmental, Health, and Safety Information Management Consultant

Jacobs, Chicago, IL
  • Integrated EHS systems using C# to automate updating thousands of employees' contact information
  • Created safety reports for many clients with customized Windows forms, increasing awareness and mitigating safety issues
  • Provided consulting services on IT/OT solutions, decreasing costs and timelines for projects by nearly 30 percent
May 2015 – August 2015

Student Consultant, Ministry of Education

Technology Consulting in the Global Community, Palau
  • Developed a system to monitor student progress with PHP, allowing hundreds of teachers to track student development
  • Created a PHP application to monitor energy consumption, giving the ministry a clear means to save thousands of dollars
  • Integrated learning materials with the local caching system, offering students triple the access to educational documents
  • Evaluated and changed the organization's internal IT processes, saving days in the standard IT ticketing process
May 2014 – August 2014

Software Development Intern

ReSource Pro, Qingdao, China
  • Led the development of a customer ticket portal using C#, streamlining processes for more than 1,000 workers' IT requests
  • Optimized existing support ticketing system in place, creating a faster, backwards-compatible system for over 30 IT employees
  • Participated in efforts to solve company-wide technological issues, preventing employees from losing focus on their work
August 2012 – May 2014

Technology Assistant, Psychology Department

Carnegie Mellon University, Pittsburgh, PA
  • Designed and created dozens of web pages for department faculty and events using HTML, Javascript, and jQuery
  • Maintained existing department websites, giving students and faculty reliable access to up-to-date and accurate information
  • Worked with local businesses to create an online presence for their services, leading to increased community engagement