Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Tristan Zaleski

Aubrey,TX

Summary

Energetic Application Developer offering strong experience in technical troubleshooting and problem-solving business issues. Hardworking, educated, and willing to think outside the box to complete any task. Skilled programming in Python to develop ETL pipelines and web applications.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Application Developer V

Infosys
07.2023 - Current
  • Participated in cross team collaboration to maintain and support Astronomer development environments, LLE's and Regression Testing of future PROD code changes
  • Responsible for keeping images and current environments free of vulnerabilities at an international bank standard
  • Managed upgrades/migrations to applications, modules, and image versions such as Airflow, python packages, and Postgres services in a RHEL based Openshift environment
  • Designed and implemented Regression Test system for automatically testing 100+ DAGs prior to releases
  • Provided information sessions and live demo's to client development teams regarding Airflow best practices and DAG design over a multi-year POC
  • Worked in agile based sprints across full life-cycle of applications
  • Designed, developed, and support full stack web application using Flask, Bootstrap, Oracle, HTML, and CSS
  • Developed and implemented personalized client solutions using programming language expertise in Python.
  • Collaborated with stakeholders regarding project capabilities and limitations to deliver optimal and new functionality

ETL Developer V

FDM Group
03.2021 - 07.2023
  • Headed client efforts to update prior workflows from PERL scripts orchestrated with Autosys to Python scripts with Apache Airflow for internal, regulated banking systems.
  • Installed and maintained 20+ individual, containerized airflow development environments in Openshift
  • Maintained access control standards through implementation of SSO and user permission management for Airflow
  • Improved current workflow run times and minimized complexity through consolidation of code, testing, and automated optimization
  • Extended the functionality of Airflow by creating in house plugins tailored to business/support needs
  • Worked in collaboration with outside vendors to establish contractual support for Airflow assets
  • Debugged connections with 5+ different databases (mySQL, Oracle, Postgres, Delphix, Tera) as part of data collection and testing
  • Develop DAG’s to map out former Autosys pipelines in Python/Shell as part of decommissioning initiatives

Assistant Scrum Master

Solar Electric Texas
08.2018 - 12.2018
  • Java and XML core languages used, developed in Android Studio
  • Focus on development lifecycle of application through constant meetings and update
  • Acted as secondary Scrum Master for a 5 person team over the course of 4, 2 week sprints in the development of a mobile referral application
  • Maintained a backlog, communicated with stakeholders for sprint goals, organized product presentations
  • Created a project workbook consisting of unit tests, a UML diagram, and end of sprint summaries.

IT Intern

Navarro ISD
05.2015 - 08.2016
  • Responsible for maintaining and assisting with hardware, software, and other technology related issues, including office setup, cable running and management, system re-imaging, and printer/phone malfunctions.
  • Team goals completed and logged daily via shared Microsoft word doc
  • Developed understanding of networking, such as IP addresses and basic network connectivity and standards
  • Performed full factory resets and restorations via recovery discs
  • Completed 50+ support tickets over the course of 3 months with varying levels of priority

Education

BS - Computer Science

University of Texas At SA
San Antonio, TX
05.2020

Skills

  • Database configuration
  • Application design & development
  • Functionality support
  • Web application development
  • Cloud computing
  • Verbal and written communication
  • Creative solution development
  • End-user training
  • Training and mentoring

Certification

  • Astronomer Airflow 101 - 2024
  • FDM Data Engineering Training - 2021

Timeline

Application Developer V

Infosys
07.2023 - Current

ETL Developer V

FDM Group
03.2021 - 07.2023

Assistant Scrum Master

Solar Electric Texas
08.2018 - 12.2018

IT Intern

Navarro ISD
05.2015 - 08.2016

BS - Computer Science

University of Texas At SA

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