Jonathan Poholarz Email & Phone Number

Belton, Missouri, United States

Designed, implemented, and launched new cloud-native web service allowing customers to request analytics reports of their smart property performance(including public REST API; regionalized AWS microservices; deployment CICD pipeline; unit, integration, load, and canary tests; alarms; and dashboards).Aligned on product requirements with Product Managers to deliver minimum lovable products to customers early and then to prioritize enhancements using customer feedback, usage data, and… Show more Designed, implemented, and launched new cloud-native web service allowing customers to request analytics reports of their smart property performance(including public REST API; regionalized AWS microservices; deployment CICD pipeline; unit, integration, load, and canary tests; alarms; and dashboards).Aligned on product requirements with Product Managers to deliver minimum lovable products to customers early and then to prioritize enhancements using customer feedback, usage data, and performance metrics.Sought opinions from senior engineers on design documents to produce the best designs for our customers.Re-wrote years-out-of-date documentation and team run books with the latest information and procedures to reduce time spent diagnosing and investigating on-call tickets.Established team backlog grooming mechanism and drove prioritization of engineering best practices such as CICD deployment pipelines equipped with rollback and canary alarms to meet our goal of 99.999% up-time.Developed and reviewed Git pull requests for our services written in Java and Kotlin (including JUnit and Guice).Tested code changes in Docker test environment and/or AWS personal account (when applicable). Show less

Urbana-Champaign Area

Led lift-and-shirt migration of conversion postback endpoint to the cloud, transitioning from on-prem hosts to running on AWS EC2 instances.Feature and design lead for Java Undertow Web Server ingesting both Apple's Store Kit Ad Network and anonymized third party conversion postbacks central to the cookieless world.Implemented features in Java and Python for Apache Storm + Trident low latency high throughput ad conversion big data pipelines which process millions of ad… Show more Led lift-and-shirt migration of conversion postback endpoint to the cloud, transitioning from on-prem hosts to running on AWS EC2 instances.Feature and design lead for Java Undertow Web Server ingesting both Apple's Store Kit Ad Network and anonymized third party conversion postbacks central to the cookieless world.Implemented features in Java and Python for Apache Storm + Trident low latency high throughput ad conversion big data pipelines which process millions of ad conversions daily at the core of Yahoo's attribution system.Collaborated with partnering teams on feature design and implementation in order to produce functional end-to-end data pipelines.Investigated data discrepancies to ensure data quality for customers.Onboarded and mentored new hires as they join our team.Created and reviewed pull requests for team git code base using git CLI and Github web interface.Deployed code to production systems using the open source Screwdriver CI/CD deployment tool.Discussed status in Jira tickets and daily SCRUM meetings.Monitored production issues in on-call rotation. Show less

Urbana-Champaign Area

Collaborated with partnering teams on feature design and implementation in order to produce functional end-to-end data pipelines.Investigated data discrepancies to ensure data quality for customers.Onboarded and mentored new hires as they joined our team.Led development of Java Undertow Web Server to ingest anonymized third party conversion postbacks and Apple's Store Kit Ad Network conversion postbacks.Implemented features for Apache Storm + Trident ad conversion big data… Show more Collaborated with partnering teams on feature design and implementation in order to produce functional end-to-end data pipelines.Investigated data discrepancies to ensure data quality for customers.Onboarded and mentored new hires as they joined our team.Led development of Java Undertow Web Server to ingest anonymized third party conversion postbacks and Apple's Store Kit Ad Network conversion postbacks.Implemented features for Apache Storm + Trident ad conversion big data pipelines processing millions of ad conversions daily, primarily using Java and Python.Created and reviewed pull requests for team git code base using git CLI and Github web interface.Deployed code to production systems using the open source Screwdriver CI/CD deployment tool.Discussed status in daily SCRUM meetings and Jira tickets.Monitored production issues in on-call rotation. Show less

Urbana-Champaign, Illinois Area

Implemented features into Apache Storm+Trident ad conversion big data pipeline, primarily in Java and Python.Created and reviewed pull requests for team code base with the Git command line tool and GitHub web interface.Deployed code to production systems using the opensource Screwdriver CI/CD deployment tool.Discussed status in daily SCRUM meetings.Monitored production issues in on-call rotation.

West Lafayette, In

Teaching Assistant for CS180 (Intro Computer Science with Java).Led labs sessions and answered questions to promote learning key concepts.Proctored quizzes and exams and facilitated discussion in online Q&A board.Designed creative assignments and tested for correctness.Graded student homework assignments, quizzes, and projects.

West Lafayette, In

Tutored freshman math courses including Calculus I, Calculus II, Applied Calculus I & II, Pre-Calculus, and College Algebra & Trig.Enhanced math skills of fellow students through explanations of concepts on paper and whiteboards.Led math problem solving and exam review sessions to reinforce learned concepts.Provided encouragement to struggling students using a positive attitude and determined spirit.

West Lafayette, In

Project Coordinator for CS408 (Software Testing).Advised software development groups on project ideals, goals, paperwork, and implementation.Evaluated satisfaction of team goals and adherence to Agile/Scrum methodology in sprint work.Graded homework assignments and sprint documents including Spring Planning, Sprint Retrospective, and Bug Logs.

Indianapolis, Indiana Area

Worked part-time to continue to contribute to Agile/Scrum team full-stack development of the Aurora Energy Network of Things(tm) platform using JavaScript, C# .NET, and SQL.Communicated questions and ideas to teammates and Quality Assurance in order to implement features and solve bugs.Recorded progress and commits using Visual Studio Team Services.Coded software deployed to production.

Indianapolis, Indiana Area

Contributed to Agile/Scrum team full-stack development of the Aurora Energy Network of Things(tm) platform using JavaScript, C# .NET, and SQL.Communicated questions and ideas to teammates and Quality Assurance in order to implement features and solve bugs.Participated in Scrum ceremonies and design sessions to further develop company products.Coded software deployed to production.

Lisle, Il

Managed camp activities including social activities, equipment setup, and parent-student coordination.Mentored peers in instructor responsibilities and team communication.Instructed camp classes in Python, C++, and Java for teens (ages 13-18) by creating engaging learning environments and leading activities to teach learning objectives.Consistently rated 'exceeded expectations' by students and parents.

Lisle, Il

Assisted running social activities and equipment setup.Instructed camp classes in Java by creating engaging learning environments and leading activities to teach learning objectives.Consistently rated 'exceeded expectations' by students and parents.Taught campers fundamental concepts of Computer Science in a summer camp course focused on modding Minecraft.

Valparaiso, In

Responsible for Toys, Sports, DIY, Home Goods, and Garden departments.Provided customer service by aiding in carry-outs, directing customers, and answering questions.Maximized product visibility through optimized product placement and organization.Maintained workplace quality by minimizing potential shopping hazards or deterrents.Answered incoming phone calls to assist remote customers.

Play-tested development builds.Communicated bug reports with steps to reproduce them.Suggested balance and game-play alterations to positively impact the final product.

Bachelor Of Science - Bs, Computer Science, 3.86 Gpa

Activities and Societies: Purdue CoSINE Tutoring, Purdue University Gamers Group, Purdue Hackers BS Computer Science Concentrations.

Academic Honors Diploma

Activities and Societies: National Honors Society, The Viking Press