Senior Data Engineer

Kalderos

Senior Data Engineer at Kalderos focused on building scalable data solutions in healthcare industry. Collaborating with cross-functional teams to deliver data-driven insights and innovations.

Posted 5/5/2026full-timeChicago • Illinois, Massachusetts • 🇺🇸 United StatesSenior💰 $145,000 - $170,000 per yearWebsite

Tech Stack

Tools & technologies

AzureCloudDockerETLNoSQLNumpyPandasPostgresPythonSQL

About the role

Key responsibilities & impact

Design and implement data models in partnership with product, analytics, and engineering teams so they are scalable, well-documented, and aligned to business needs
Collaborate with other Data Engineers to solve problems that directly impact enterprise customers
Build data transformations and data flows utilizing Python, SQL, DBT, Postgres and Snowflake
Build out automated ETL jobs that reliably process large amounts of data, and ensure these jobs run consistently and are well-monitored
Build tools that enable other data engineers to work more efficiently
Tune existing implementations to run more efficiently as they become bottlenecks, or migrate existing implementations to new paradigms as needed
Learn and apply knowledge about the drug discount space, and become a subject matter expert for internal teams to draw upon
Take ownership, lead decision-making, and mentor junior engineers

Requirements

What you’ll need

Bachelor’s degree in computer science or similar field, or equivalent experience
5+ years of work experience as a Data Engineer in a professional full-time role
Advanced knowledge of SQL and Python (along with data analysis libraries such as Pandas, NumPy, and others)
Strong data modeling experience (understanding of SQL, NoSQL, and other database types along with relational modeling)
Ability to learn new technologies and work in various components across the full tech stack
Experience with cloud native infrastructure (Azure preferred)
Experience with Container Applications (Docker)
Experience building ETL pipelines and other services
Experience with GenAI Tools and Workflows
Professional experience in application programming with an object-oriented language.

Benefits

Comp & perks

Medical, Dental, and Vision benefits
401k with company match
Flexible PTO with a 10 day minimum
Mobile & Wifi Reimbursement
Commuter Reimbursement
Donation matching for charitable contributions
Travel reimbursement for healthcare services not available near your home
New employee home office setup reimbursement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PythonSQLDBTPostgresSnowflakeETLdata modelingPandasNumPyobject-oriented programming

Soft Skills

collaborationproblem-solvingownershipdecision-makingmentoring

Certifications

Bachelor’s degree in computer science