# Alex Holachek > Senior Software Engineer at Datadog Location: New York, New York, United States Profile: https://flows.cv/alexholachek I'm a frontend developer with five years of experience building complex, interactive interfaces. My favorite stack is React/Redux/Typescript, and I have a special interest in web animations, data visualization, and accessibility. I have created several open source React projects and enjoy occasionally speaking at local meetups about my work. ## Work Experience ### Senior Software Engineer @ Datadog Jan 2020 – Present | New York, New York, United States ### Software Engineer @ Datadog Jan 2020 – Jan 2020 | New York, New York, United States ### Senior Frontend Developer @ Stash Jan 2019 – Jan 2020 | Manhattan ### Software Engineer @ Codecademy Jan 2017 – Jan 2018 | Greater New York City Area - Delivered product features in React such as an interactive drag-and-drop code builder to teach core programming concepts, and an engaging new syllabus to help learners explore available content. - Planned and executed a comprehensive site facelift in collaboration with a designer, based on what started as an internal hackathon project to implement a new design system. - Spearheaded an initiative to rewrite and expand end-to-end tests, and worked on a variety of tech debt, code quality, and performance-improvement tasks. ### Front End Developer @ Fresh Tilled Soil Jan 2016 – Jan 2017 | Watertown, MA - Built rapid prototypes in React, Redux and D3. - Created component UI kits both in React and vanilla HTML/CSS/JS for clients. ### User Experience Apprentice @ Fresh Tilled Soil Jan 2016 – Jan 2016 | Watertown, MA - Enhanced UX skills in an apprenticeship that included a formal curriculum component as well as client work. ### Front End Developer @ Harvard-Smithsonian Center for Astrophysics Jan 2014 – Jan 2016 | Cambridge, MA - Assisted in re-implementing the core functionality of the ADS website using primarily jQuery/Backbone and later React/Redux. - Designed and implemented new visualizations in D3. - Led the redesign of the UI using wireframing, client interviews, and user testing. ### Technical Information Specialist @ Harvard-Smithsonian Center for Astrophysics Jan 2012 – Jan 2014 | Cambridge, MA Enriched metadata for inclusion in the Astrophysics Data System using various techniques, including hand curation, web scraping, and data munging in Python. Generated reports in support of a grant bibliography for NASA by writing Python scripts to gather and process funding data from various sources. Designed a database schema for the heterogenous data and exposed it using a SQLite database. Designed and created user interface components such as an interactive search page with autocomplete for the ADS website. ### Princeton in Asia Fellow @ KIMEP University Jan 2011 – Jan 2012 | Almaty, Kazakhstan Implemented a self-designed curriculum to teach English, critical thinking and research skills to graduate students. ### Metadata Assistant @ Harvard-Smithsonian Center for Astrophysics Jan 2011 – Jan 2011 | Cambridge ## Education ### Bachelor of Arts in History Wesleyan University ## Contact & Social - LinkedIn: https://linkedin.com/in/alexholachek - GitHub: https://github.com/aholachek/ --- Source: https://flows.cv/alexholachek JSON Resume: https://flows.cv/alexholachek/resume.json Last updated: 2026-03-31