R
Raymond Sun
From United States 02:25 PM (GMT-04:00)
$70/hr or $125,000/yr

Active over a week ago


Member since Mar 2026

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Software Engineer

Full-Stack Engineer
Available for hire
Years of experience
10+ years
Experience level
Senior
Available for
Full-time, Part-time, Contract
Download Resume / CV

Software developer with strong experience designing large-scale data platforms and machine learning infrastructure using Python, Spark, and AWS. Proven track record building distributed data pipelines, streaming systems, and scalable data lakes supporting massive datasets. Experienced in Apache Spark, Kafka, Airflow, and EMR for batch and real-time data processing, as well as building end-to-end ML pipelines that significantly reduce model training time and improve production performance. Skilled in architecting cloud-native data ecosystems and enabling data-driven decision making through scalable analytics platforms.

Languages

Employment History

Software Developer at CGI Current 2022 - Now
Designed and built large-scale data and machine learning systems, including data pipelines, infrastructure, and ML platforms on AWS, optimizing performance and enabling scalable analytics, reporting, and real-time processing.
Software Developer at Mastech Digital 2021 - 2022
Optimized and built large-scale machine learning and data processing systems, improving model performance and recommendation accuracy, implementing real-time and streaming architectures, and delivering scalable pipelines and analytics solutions.
Software developer at Tata Consultancy Services 2015 - 2022
Conducted data analysis and stakeholder collaboration to drive business insights, designed data governance and reporting frameworks, and built scalable data pipelines and machine learning systems to enable real-time processing and improved decision-making.

Education

Bachelor’s degree in Computer Science at Rutgers University 2011 - 2015