CMChristian Mark
@christianmark
Software engineer passionate about data engineering and machine learning.
United StatesWhat I'm looking for
As a Software Engineer II at Walmart Global Tech, I specialize in designing and maintaining ETL workflows for machine learning pipelines. My work has significantly improved forecast accuracy and optimized processing times, showcasing my ability to drive efficiency and deliver impactful results. I thrive in collaborative environments, working closely with teams to resolve critical production issues and maintain system reliability.
My journey in software engineering began with internships at leading companies like Comcast and echo3D, where I developed tools and applications that enhanced user experiences and streamlined processes. I have a strong foundation in various programming languages and frameworks, which I leverage to create innovative solutions. My projects, such as 'That’s My Jam!' and 'Beach Buddies,' reflect my commitment to using technology for positive social impact.
Experience
Work history, roles, and key accomplishments
Software Engineer II
Walmart Global Tech
Aug 2023 - Present (2 years)
Designed and maintained ETL workflows for SMART Forecasting ML pipelines, sourcing data from BigQuery and performing data aggregations. Optimized Airflow DAG performance by scaling cluster resources and tuning worker nodes, reducing processing time by 80% and saving an estimated $5,000+ in weekly cloud compute costs.
Software Engineering Intern
Comcast
May 2022 - Present (3 years 3 months)
Enhanced the CI/CD Interactivity Editorial Tool for the Merlin Content Data Services team by implementing an auto-image uploading process and adding frontend visual cues. Developed using REST API Spring Boot to execute model data conversions in Groovy.
Software Development Intern
echo3D
Jan 2022 - Present (3 years 7 months)
Created AR and VR applications using echoAR, a product that stores XR assets on the cloud. Collaborated with other interns to create a large-scale Mardi Gras mask game using Unity and C# for 200+ followers.
Software Engineering Intern
SportEdge
Jun 2021 - Present (4 years 2 months)
Led a data ingestion project through Selenium to obtain college sports data resulting in a 700% increase in database size. Leveraged AWS Amplify with a CLI to rapidly build and deploy a CI/CD pipeline for feature flagging and experimentation, decreasing product testing iteration time by 50%.
Education
Degrees, certifications, and relevant coursework
Boston University
Bachelor of Arts, Computer Science
Grade: 3.46
Graduated with a Bachelor of Arts in Computer Science. Achieved a GPA of 3.46.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
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