Gray Chiang

Gray Chiang

Data Engineer Internship
Canada
Japanese

About Me

Experienced software engineer and data engineer with expertise in Java, Python, JavaScript, Angular, React, Spring, RESTful APIs, microservices, SQL databases, CI/CD, Docker, Jenkins, AWS, and data engineering tools. Has…

Experience

Data Engineer

Cloudalake
Apr 2023 - Present · 3 years 2 months

• Implemented and optimized Apache Airflow, achieving a 30% reduction in processing time for large-scale data operations.
• Managed and analyzed large datasets using Google BigQuery, leveraging SQL queries and data analytics techniques to extract key
insights to inform strategic decision-making.
• Developed and maintained automated data pipelines using ETL processes, reducing manual data handling by 40%, ensuring high data
quality, and compliance with data governance standards.
• Collaborated with cross-functional teams including stakeholders and data scientists, demonstrating strong teamwork and
communication skills, to enhance data quality and accuracy.
• Implemented CI/CD pipelines using BitBucket, improving code quality and deployment efficiency, and facilitating DevOps
practices.
• Utilized Power BI to visualize research data for the Ontario government, enhancing data-driven decision-making with over 20
custom reports and dashboards.

Data Engineer Internship

Cloudalake Digital Inc.
Apr 2023 - Aug 2023 · 4 months

Implemented and optimized Apache Airflow, achieving a 30% reduction in processing time for large-scale data operations.
Managed and analyzed large datasets using Google BigQuery, leveraging SQL queries and data analytics techniques to extract key insights to inform strategic decision-making.
Developed and maintained automated data pipelines using ETL processes, reducing manual data handling by 40%, ensuring high data quality, and compliance with data governance standards.
Collaborated with cross-functional teams including stakeholders and data scientists, demonstrating strong teamwork and communication skills, to enhance data quality and accuracy.
Implemented CI/CD pipelines using BitBucket, improving code quality and deployment efficiency, and facilitating DevOps practices.
Utilized Power BI to visualize research data for the Ontario government, enhancing data-driven decision-making with over 20 custom reports and dashboards.

Software Engineer

Bluetechnology Inc.
Feb 2020 - Jul 2022 · 2 years 5 months

Spearheaded the development of a high-traffic banking system, successfully improving system uptime and managing wealth management features for over 10,000 active users.
Orchestrated the integration and implementation of RESTful APIs using Java and Angular, resulting in a 50% increase in system scalability and a 35% improvement in response time.
Designed and deployed a microservices architecture, reducing project deployment time by 20% and enhancing code maintainability which led to a 30% reduction in bug reports.
Implemented SDLC strategies for a banking questionnaire, boosting deployment speed by 40% and lowering errors by 30%.

Software Engineer

Firsttech Software Inc.
Apr 2019 - Jan 2020 · 9 months

Directed the development of a Human Resource Management System (HRMS) for a hospital, enhancing data processing efficiency by 50% and reducing staff data management time by 40%.
Engineered and executed user-friendly web interfaces using JavaScript with the Kendo UI Framework, improving user satisfaction scores by 30% and increasing accessibility compliance by 100%.
Refined and optimized T-SQL stored procedures and functions, accelerating data retrieval speeds by 60% and enhancing database performance, which supported a 15% increase in concurrent database users.

Skills

Big Data Data Repository Hadoop Scala Spark Apache Hive Apache Pig Amazon Web Services (AWS) Kafka NoSQL Redshift S3 Java Python JavaScript AJAX Angular React Spring Core Spring MVC Spring Boot RESTful API Microservices JUnit Oracle DB SQL Server DB2 PostgreSQL HDFS MongoDB Neo4j CI/CD Jenkins Docker Jira BitBucket Linux AWS S3 AWS EKS AWS Aurora/RDS AWS VPC Git Apache NiFi Apache Kafka Agile Test-driven development Power BI Tableau Apache Airflow Google BigQuery ETL T-SQL Kendo UI Framework
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