Senior Software Engineer
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 3 October 2026.
About the role
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's standard text
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.
What this role asks for
Particular to this role
Airflow · Databricks · Spark
Rare in Flatiron Health's other 11 open postings.
In most of Flatiron Health's ads
AWS · Python
Named in most of its open postings, whatever the role.
88% of this description is written for the role. The rest is Flatiron Health's standard text, folded away below.
Read against Flatiron Health's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 6 open in Engineering. 2 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
AWS (4 of 6), LLM (4 of 6), Python (4 of 6), C# (3 of 6), dbt (3 of 6), Deep Learning (3 of 6), Snowflake (3 of 6)
OTHER ROLES ON THIS TEAM
- Applied AI Data Scientist posted Oct 7
- Senior Director of Engineering, Technical Platform posted Oct 1
- Software Engineer posted Aug 12
- Senior Software Engineer (m/w/d) posted Jul 9
- Cloud Network Engineer posted Jun 23
From the team and dates on Flatiron Health's own job board.
Salary context
317 other open postings titled Senior Software Engineer state a salary: median USD 160,000 to USD 220,000 a year.
See Software Engineer salaries in London →
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