# Senior Software Engineer at Flatiron Health

- Company: Flatiron Health
- Role group: Engineering
- Location: London office
- Remote: no
- Posted: 2026-07-09
- Status: active
- Apply: https://flatiron.com/careers/open-positions/job?gh_jid=8013384&ref=companies-hiring.click

## Description

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

This role will design and develop technology in partnership with other software engineers in the US, UK, Germany, and Japan. Additionally, this role will collaborate day-to-day with oncologists, clinicians, product leaders, quantitative scientists, and customers to understand their challenges and how technology can help solve them.

Create new or enhance existing business critical, complex data pipelines using a variety of data processing tools and automation

Expand our capabilities in Deep Learning and LLM-powered extraction of clinical insights from global datasets

Devise creative solutions for technical and business challenges to help the team scale

Contribute to shaping the direction of team roadmaps and technology development

Help build our European engineering teams and company culture as we grow 

Rapidly iterate on products while maintaining engineering practices that ensure quality and security

Bring or develop a deep knowledge of healthcare in the UK, including data sources, security, privacy, information governance requirements, and emerging trends

Who You Are

You're a kind, passionate and collaborative problem-solver who values the opportunity to think beyond the way things are. You're excited by the prospect of working on difficult and meaningful problems each day. You seek and give candid feedback, and value the chance to make an important impact on cancer patients and society.  

You’re a data engineer with 4-8 years of relevant professional experience

You are excited to work in a startup environment, think creatively and be scrappy to get the job done 

You are excited about working in a passionate, fast-paced, technology-driven culture

You have a nose for value and empathy for your customers

You have experience with agile development environments using object-oriented programming languages (e.g. Python, C#, SQL), but are also language agnostic and willing to pick up new programming languages as needed

You have experience working with cloud platforms like AWS and data warehouse solutions like Snowflake

You have experience with data processing and orchestration tools such as Databricks, Spark, Ray, DBT, Prefect, and/or Airflow

You act as an expert in your domain area, and as a partner with product teams

You understand the purpose of  “boring” technology (as described in this blog post) and are willing to use the right tools to get the job done

You can collaborate and easily explain technical terms to a non-technical, highly sophisticated audience; you have superior communication skills

You are comfortable with ambiguity and always willing to teach and learn

You are fluent in English

Optional

You have experience working in healthcare in the UK or exposure to healthcare-related standards like HL7

You hold a Bachelors, Masters, and/or Ph.D. in computer science or a related field

You have experience in infrastructure, devops, or security engineering

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.
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