Principal Data Engineer
Company: Tendo
Location: San Francisco
Posted on: February 15, 2026
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Job Description:
Job Description Job Description As a Principal Data Engineer,
you will work within the Engineering team and contribute to Tendo’s
strategic data engineering solutions by ingesting, transforming,
and warehousing healthcare-related data from various sources. You
will collaborate with Tendo’s Data Scientists, Product Managers,
and Machine Learning Engineers to produce quality data flows and
transformations that support advanced analytics and AI/ML model
development. You will develop tools and solutions to facilitate
data integration, data warehousing, and data modeling. Your work
will enable Data Engineers and Data Scientists to experiment and
train machine learning models to produce useful insights for
Tendo’s customers. The ideal candidate should have a strong
background in software engineering, data modeling, data
warehousing, ETL pipelines, and database design and a demonstrated
interest or experience in applying AI/ML, and a forward-thinking
mindset toward innovation in healthcare. About Tendo Make an
impact—join our team! We’re a fast-growing, mission-driven company
building a culture that enables teams and individuals to thrive.
Our team-driven culture and rapid growth have earned us recognition
as one of Forbes’ Top Startup Employers for both 2024 and 2025. Led
by an experienced and proven team, we live by our values and are
always on the hunt for motivated people with diverse experiences
and backgrounds to help us improve the care journey for patients,
clinicians, and caregivers by creating software that provides
seamless, intuitive, and user-friendly experiences. If you like
working with innovative technologies and want to be part of a
growing team that will help transform the healthcare experience, we
encourage you to apply today! Job Location Tendo has hubs in San
Francisco, CA; San Diego, CA; Salt Lake City, UT; Chicago, IL;
Nashville, TN; and Philadelphia, PA. Candidates may be located in
any one of our hub locations. Responsibilities Collaborate with
Data Scientists and Business Intelligence Analysts to ensure
efficient and effective data processing and analysis. Optimize data
infrastructure and processes to ensure optimal performance and
scalability. Develop and maintain data documentation and data
lineage. Stay current with emerging technologies and industry
trends related to data engineering. Requirements 7 years of
experience in data engineering. Extensive experience in the design,
build, and maintenance of data ETL pipelines. Extensive knowledge
of coding in Python or Scala with a focus on data processing.
Experience using Apache Spark (PySpark or Scala). Experience with
AWS technology stack (S3, Glue, Athena, EMR, etc.). Experience with
data and entity relationship modeling to support data warehouses
and analytics solutions. Deep understanding of relational and
non-relational databases (SQL/NOSQL). Comfortable working with
unstructured and semi-structured data (Web scraping). Experience
working in a professional software environment using source control
(git), an issue tracker (JIRA, Confluence, etc.), continuous
integration, code reviews, and agile development process
(Scrum/Lean). Basic data privacy and security principles. Interest
and/or experience in AI/ML applications, including support for
model development or deployment workflows. Proactive mindset around
exploring emerging technologies in AI and data science to drive
innovation. Nice to Have Knowledge of, or experience with,
healthcare data standards such as HL7, FHIR, ICD, SNOMED, LOINC.
Experience with Delta Lake and/or Databricks. Hands-on experience
with machine learning workflows, including preparing data for AI
model training and evaluation. Experience with machine learning
workflows and data requirements for use with ML frameworks.
Experience validating data quality, preferably with test
automation. Experience with containerization using Docker. Base
Salary Range $157,250-$212,750 This salary range is offered with
the understanding that final compensation is based on a number of
factors including geography and experience. Tendo also offers an
equity package, annual bonuses, and benefits. Benefits For full
time employees, Tendo also offers full health benefits (medical,
dental, and vision), flexible spending and health savings accounts,
company paid life insurance, company paid short-term and long-term
disability, company equity, voluntary benefits, 401(k), company
paid holidays, flexible time off, and an employee wellness program
(“Breathe”). Tendo is an equal opportunity employer. All qualified
applicants will receive consideration for employment without regard
to race, color, sex, sexual orientation, gender identity or
expression, religion, national origin or ancestry, age, disability,
marital status, pregnancy, protected veteran status, protected
genetic information, political affiliation, or any other
characteristics protected by local laws, regulations, or
ordinances. We may use artificial intelligence (AI) tools to
support parts of the hiring process, such as reviewing
applications, analyzing resumes, or assessing responses. These
tools assist our recruitment team but do not replace human
judgment. Final hiring decisions are ultimately made by humans. If
you would like more information about how your data is processed,
please contact us.
Keywords: Tendo, San Ramon , Principal Data Engineer, IT / Software / Systems , San Francisco, California
