Open to opportunities

John Williams

@johnwilliams

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Data Engineer and Software Engineer with a passion for data analysis and automation.

United States

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What I'm looking for

Seeking a challenging role that leverages my technical expertise in data engineering and software development to drive business growth and improve data-driven decision-making.

As a seasoned Data Engineer and Software Engineer, I have a proven track record of designing and implementing scalable data pipelines and machine learning applications that drive business results. With a strong background in computer science and certifications in AWS Solutions Architecture, I excel in leveraging cloud technologies to streamline data workflows and improve data quality.

In my previous roles, I have successfully led the development of enterprise-level machine learning applications, designed and implemented automated ETL workflows, and provided technical mentorship to junior team members. I am passionate about collaborating with cross-functional teams to define data requirements and troubleshoot data quality issues, ensuring data-driven insights that inform business decisions.

With expertise in languages such as Python, SQL, and Scala, I am well-versed in DevOps and cloud technologies, including AWS, GCP, CI/CD, Jenkins, Kubernetes, and Docker. I am committed to delivering high-quality solutions that meet the highest standards of data pipeline uptime and customer satisfaction.

Experience

Work history, roles, and key accomplishments

Data Engineer

Nori

Oct 2023 - Jul 2024 (9 months)

As the sole data engineer, designed and managed Nori's data infrastructure, ensuring
scalable and reliable ETL workflows using Terraform, BigQuery, DBT, and PySpark
Collaborated with sales and leadership teams to deliver actionable insights via dashboards
and reports in Looker Studio, supporting strategic decision-making

Google Cloud Platform DBT Spark Python SQL Terraform CI CD Looker Studio BigQuery

Software Engineer II

Pariveda Solutions

Jun 2021 - Apr 2023 (1 year 10 months)

Lead developer building a proof of concept application using AWS Glue, Step Functions,
Athena and S3, laying the foundation for a platform to track and reduce carbon emissions
Scaled the application by integrating AWS Redshift and using DBT to create data marts,
improving data accessibility and analysis for clients

Spark AWS Sagemaker AWS CDK Machine Learning

Software Engineer I

Pariveda Solutions

Apr 2019 - Jun 2021 (2 years 2 months)

Developed and deployed data processing microservices using Scala and Apache Spark,
supporting marketing analytics workflows with data stored in S3
Built and maintained ETL pipelines with Apache Airflow to automate data ingestion and
transformation, improving workflow reliability

Scala Spark Data Pipelines Data Quality