Senior Software Engineer, Data Engineering at Flatiron Health — New York City, USA | Base Career

Reimagine the infrastructure of cancer care within a community that values integrity, inspires growth, and is uniquely positioned to create a more modern, connected oncology ecosystem.

We're looking for a customer-obsessed Senior Data Engineer to help us accomplish our mission to improve and extend lives by learning from the experience of every person with cancer.

Are you ready to be the next changemaker in cancer care?

The Core Products Engineering team builds data product offerings that power insights for our life science partners, who leverage our data to improve health outcomes through cancer treatment research.

Our customers rely on Flatiron data to make decisions about drug/disease targets, submit evidence for FDA approvals, and publish peer-reviewed research.

In this role, you'll work at the intersection of engineering and cross-functional collaboration—designing data solutions while partnering closely with quantitative scientists, clinical data analysts, research oncologists, and project managers.

Design, build, and maintain data solutions that deliver insights to our customers, answer their targeted oncology research questions, and enable R&D across the drug discovery lifecycle
Collaborate with clinical data analysts to ensure data meets quality standards and contractual requirements
Break down ambiguous requirements into well-scoped, actionable work; surface risks and ask clarifying questions early
Translate business and research needs into technical solutions, balancing customer needs, technical constraints, and delivery timelines
Serve as a role model to mentor, educate, and develop junior data engineers
Context-switch across multiple pipelines and stakeholders while maintaining accountability for on-time delivery
Participate in design and code reviews, giving and receiving constructive feedback that elevates team quality
Identify inefficiencies in code or processes and propose improvements
Effectively leverage AI-assisted coding tools to accelerate development while applying critical judgment to maintain quality

You're a kind, passionate, and collaborative problem-solver who values the opportunity to think beyond the way things are.

You're an empathetic communicator who can translate between technical and non-technical audiences.

You thrive in ambiguity, stay calm under pressure, and are laser-focused on delivering value for our customers.

In addition you have:

4+ years of professional experience in data engineering, software engineering, or data-intensive applications
Strong proficiency in SQL and Python
Experience building, maintaining, and debugging ETL/ELT pipelines as well as the underlying systems orchestrating them
Experience with cloud platforms (AWS preferred) and containerized environments (Docker)
Experience with data modeling and production datasets in Snowflake
Experience leading data engineering teams and managing engineers
You are an expert in data engineering best practices (debugging, testing, validation, orchestration, observability)
You collaborate effectively through Git, code review, and documentation
You communicate clearly with non-technical stakeholders and enter discussions with curiosity
You're excited to work in a fast-moving environment and willing to be scrappy to get the job done
Bachelor's, Master's, or Ph.D. in computer science, data science, or a related field

Experience working in healthcare or with healthcare-related data standards
Experience working directly with customers in a solutions engineer or forward deployed engineer role
Experience developing with AI-assisted tools like Cursor or Claude Code

In this hybrid role, you’ll have a defined work location that includes work from home and 3 office days set by you and your team.

For more information on our approach to hybrid work, please visit the how we work website.

Life at Flatiron

At Flatiron Health, we offer a full range of benefits to support you and your loved ones so you can focus your working hours on improving cancer care and accelerating cancer research, and your non-working hours on everything else life has to offer:

Work/life autonomy via flexible work hours and flexible paid time off
Comprehensive compensation package
401(k) contribution to help you reach your retirement planning goals
Financial health resources including 1:1 financial advice
Mental well-being tools and services
Parental benefits and policies including family-building care and generous leave
Path to parenthood programs supporting fertility, adoption and surrogacy
Travel support for safe healthcare services

In addition to our robust benefit offerings, visit our Life at Flatiron page to learn how we support continuous learning and celebrate inclusion and belonging in the workplace.

Senior Software Engineer, Data Engineering

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