The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate’s/applicant’s qualifications, skills, and level of experience as well as the geographical location of the position.

Applicants must be legally authorized to work in the United States. Sponsorship not available.

Our client is seeking a Data Analyst/Data Engineer in Greenwood Village, CO.

Role Description

We are seeking a versatile and highly skilled Data Analyst / Data Engineer to join our data-driven team. This hybrid role is ideal for someone who thrives in both analytical and engineering environments, working with massive datasets—including one with over 3 billion records per day—to build scalable data pipelines, ensure data quality, and deliver actionable insights.
You’ll be working primarily in AWS, using tools like Athena, EMR, and EC2, and leveraging Python, Spark, and SQL to support data modeling, machine learning, and statistical analysis. While the engineering side focuses on pipeline development and optimization, the analytical side emphasizes data interpretation and visualization using Tableau.

• Design, build, and maintain robust data pipelines using Python and Apache Spark.
• Perform QA checks and monitor data loads to ensure data integrity and performance.
• Optimize AWS infrastructure (Athena, EMR, EC2) for scalability and cost-efficiency.
• Write complex SQL queries to extract and manipulate large-scale datasets.
• Develop dashboards and visualizations using Tableau to support business insights.
• Collaborate with cross-functional teams to understand and address diverse data needs.
• Support machine learning workflows and statistical modeling using Python and R.
• Evaluate the implications of code changes on data quality and downstream systems.

Skills & Requirements

• Advanced SQL expertise.
• Strong programming skills in Python; experience with Spark is essential.
• Deep experience with AWS services (Athena, EMR, EC2); Azure is a plus but not required.
• Proficiency in Tableau or similar data visualization tools.
• Experience working with extremely large datasets (billions of records per day).
• Understanding of data quality assurance, pipeline monitoring, and performance tuning.
• Familiarity with machine learning, data modeling, and statistical analysis.
• Strong communication skills and ability to work across diverse teams

Benefits/Other Compensation

This position is a contract/temporary role where Hays offers you the opportunity to enroll in full medical benefits, dental benefits, vision benefits, 401K and Life Insurance ($20,000 benefit).

Why Hays?

You will be working with a professional recruiter who has intimate knowledge of the industry and market trends. Your Hays recruiter will lead you through a thorough screening process in order to understand your skills, experience, needs, and drivers. You will also get support on resume writing, interview tips, and career planning, so when there’s a position you really want, you’re fully prepared to get it.

Nervous about an upcoming interview? Unsure how to write a new resume?

Visit the Hays Career Advice section to learn top tips to help you stand out from the crowd when job hunting.

Hays is committed to building a thriving culture of diversity that embraces people with different backgrounds, perspectives, and experiences. We believe that the more inclusive we are, the better we serve our candidates, clients, and employees. We are an equal employment opportunity employer, and we comply with all applicable laws prohibiting discrimination based on race, color, creed, sex (including pregnancy, sexual orientation, or gender identity), age, national origin or ancestry, physical or mental disability, veteran status, marital status, genetic information, HIV-positive status, as well as any other characteristic protected by federal, state, or local law. One of Hays’ guiding principles is ‘do the right thing’.
We also believe that actions speak louder than words.
In that regard, we train our staff on ensuring inclusivity throughout the entire recruitment process and counsel our clients on these principles. If you have any questions about Hays or any of our processes, please contact us.

In accordance with applicable federal, state, and local law protecting qualified individuals with known disabilities, Hays will attempt to reasonably accommodate those individuals unless doing so would create an undue hardship on the company. Any qualified applicant or consultant with a disability who requires an accommodation in order to perform the essential functions of the job should call or text 813.336.5570.

Drug testing may be required; please contact a recruiter for more information.

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