Data Engineer - Python & Web

Data Engineer - Python & Web

Job Type: Contract (through Dec 2026)

Location: Denver, CO

Work Setting: Hybrid (4 days on-site / 1 day remote)

Rate: $55-$70 per hour based upon experience

Position Summary

Unison Systems is looking for a skilled Data Engineer - Python & Web for our client located in Greenwood Village, CO. This hands-on role involves designing, building, and maintaining data-driven applications end to end, from the database and API layers through to the web front end. The ideal candidate writes production Python, designs performant SQL, builds and consumes APIs, deploys to AWS, and builds clean web interfaces primarily in HTML with supporting CSS and JavaScript. This is an excellent opportunity for someone who enjoys owning a problem from the data model all the way through to the user interface within a fast-growing technology environment.

Key Responsibilities

• Develop and maintain automation scripts, data pipelines, and application logic in Python.
• Design, write, and optimize complex SQL queries, stored procedures, and database schemas.
• Build, document, and integrate RESTful APIs to connect internal and third-party systems.
• Build and maintain web front-end interfaces, developing primarily in HTML (with supporting CSS and JavaScript) to deliver clean, functional, user-facing screens.
• Deploy, manage, and monitor applications and services in the AWS cloud environment.
• Manage source control, branching, and collaborative workflows using Git.
• Apply AI-assisted development tools to accelerate coding, testing, and problem-solving.
• Collaborate with stakeholders to translate requirements into scalable technical solutions.

Required Qualifications

• Proven proficiency in Python scripting and development.
• Strong SQL query development and relational database design skills.
• Hands-on experience with API development and integration.
• Solid front-end development skills, with the ability to build web interfaces primarily using HTML (along with supporting CSS and JavaScript).
• Working experience deploying and managing services in AWS.
• Proficiency with Git version control.
• Demonstrated ability to use AI tools effectively in a development workflow.
• Strong problem-solving skills and the ability to own projects end to end.

Preferred Qualifications (Nice to Have)

• Experience with modern front-end frameworks (React, Vue, etc.).
• Familiarity with CI/CD pipelines and infrastructure-as-code.
• Experience working in an Agile/DevOps environment.

About Unison Systems

Unison Systems is a national IT & Engineering Services firm that delivers secure, innovative technology solutions and resources for our clients ranging from the Fortune 500 to the U.S. Navy. We bring together the strongest talent and tools in the business to solve complex problems and build solutions that make a measurable impact. At Unison, we invest in our people, foster a collaborative culture, and give our team the opportunity to learn and grow their careers. Unison is an equal opportunity employer. We are committed to creating an inclusive environment for all employees, and we do not discriminate on the basis of race, color, religion, sex, national origin, disability, or veteran status.