Senior Software Engineer at Flatironhealth

We’re looking for a Senior Software 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? Flatiron Health is a healthtech company using data for good to power smarter care for every person with cancer, around the world. Flatiron partners with cancer centers in the US, Europe and Asia to transform patients’ real-life experiences into real-world evidence and create a more modern, connected oncology ecosystem. Our multidisciplinary teams include oncologists, data scientists, software engineers, epidemiologists, product experts and more. Flatiron Health is an independent affiliate of the Roche Group. What You'll Do In this role, you will design, develop, and deploy data processing solutions to help transform raw data into ready-to-use data products. You will collaborate with Flatiron colleagues globally and work day-to-day with oncologists, clinicians, product leaders, quantitative scientists, and customers to understand their challenges and build technological solutions. • Design and deploy data processing solutions to transform raw data into high-quality, ready-to-use data products. • Build scalable and complex data processing logic tailored to healthcare data. • Construct automated pipelines with robust observability and reliability in mind. • Devise creative solutions to navigate tough business, security, and data privacy challenges. • Collaborate cross-functionally with global teams, clinicians, and product leaders to solve complex, real-world problems. • Apply strict software engineering rigor to data, writing comprehensive unit tests for complex data transformations to guarantee data quality. Who You Are • 5+ years of experience in software development using programming languages such as Python, Java, or C#. • 2+ years of experience using Terraform as Infrastructure as Code (IaC). • A strong commitment to code quality, with a track record of writing rigorous unit and integration tests for data transformations and pipelines. • Proven experience developing and deploying on AWS or other major cloud providers. • Strong proficiency in SQL and hands-on experience with relational database systems like PostgreSQL and MySQL. • Experience working with modern data platforms, specifically Snowflake. • Experience in using Docker and working with containerized environments. • Experience in setting up and managing CI/CD pipelines (GitHub Actions, GitLab CI, etc..). • Business-level proficiency in spoken and written English. Optional • Strong knowledge of ETL methodologies and data pipeline architecture. • Specific experience with data tooling such as dbt, PySpark, Ibis, or Apache Oozie. • Japanese language skills (JLPT N2 level or above) are a strong plus. Who We Are Our people are at the centre of everything we do. We strive to foster a culture where our teammates feel equipped and empowered to make meaningful contributions with confidence, compassion, and clarity. Statutory Benefits • Employment Term: Indefinite • Probationary Period: 6 months • Work Location: Tokyo, Japan • Work Hours: The normal work hours are 9:00 - 18:00. This role is eligible for the flex-time system. • Holidays: Saturday, Sunday and public holidays • Social Insurance: Health, Pension, Employment and Workers' Accident • Smoking: No smoking allowed in the office, smoking area is in the building