Senior Software Engineer - Full Stack

About the role

We are looking for a highly motivated and experienced Senior Software Engineer

Full Stack to join our dedicated team at Flatiron Health. In this role, you will be instrumental in developing innovative technology solutions that support our mission to improve and extend the lives of cancer patients worldwide. Flatiron Health is a health technology company committed to transforming real-world patient data into actionable insights to enhance oncology care. You will work closely with our global teams, including oncologists, data scientists, product managers, and other software engineers, to create scalable, secure, and impactful products. This position offers an exciting opportunity to contribute to a mission-driven organization that values collaboration, innovation, and continuous learning. As part of our team, you will help shape the future of healthcare technology, particularly within the European market, by building solutions that address complex data challenges and improve patient outcomes.

Key facts

What you'll do

• Collaborate with international software engineering teams based in the US, UK, Germany, and Japan to design, develop, and implement robust technology solutions that meet business and clinical needs.
• Engage directly with oncologists, clinicians, product leaders, data analysts, and customers to understand their challenges, gather requirements, and identify opportunities where technology can deliver value.
• Play a key role in shaping the technical direction of the team by contributing to roadmaps, setting priorities, and driving initiatives that align with company goals and customer needs.
• Assist in building and expanding our European engineering teams, helping to foster a positive, inclusive, and innovative company culture as we grow our presence in the UK and Europe.
• Develop new features and improve existing products by writing clean, efficient, and well-documented code, following best practices for software development and security.
• Rapidly iterate on products, balancing speed with quality, and ensuring that solutions are reliable, scalable, and secure.
• Work with complex data pipelines, utilizing various data processing tools and frameworks to handle large-scale health data securely and efficiently.
• Contribute to the development and maintenance of cloud-based infrastructure, primarily using AWS, to support scalable and resilient applications.
• Acquire or deepen understanding of the UK healthcare landscape, including data sources, security protocols, privacy regulations, information governance, and emerging trends in health data management.
• Collaborate with cross-functional teams to ensure that technical solutions are aligned with user needs and regulatory requirements, especially in sensitive healthcare environments.
• Share knowledge and best practices with team members, mentoring junior engineers, and fostering a culture of continuous improvement and learning.
• Participate in code reviews, testing, and documentation efforts to maintain high standards of quality and compliance.
• Stay informed about new technologies, tools, and industry trends relevant to healthcare data, cloud computing, and full-stack development to ensure that solutions remain innovative and effective.

Requirements

• Minimum of 4 years of professional experience as a full-stack software engineer, with a proven track record of delivering complex software solutions.
• Strong proficiency in agile development methodologies, with experience working in fast-paced, collaborative environments.
• Hands-on experience with object-oriented programming languages such as Python, Java, C#, or SQL, and a willingness to learn new technologies as needed.
• Familiarity with cloud platforms, especially AWS, including deploying and managing applications in the cloud environment.
• Recent experience in front-end development, ideally with React, and a good understanding of UI/UX principles.
• Demonstrated ability to work effectively with cross-disciplinary teams, including product managers, data scientists, and healthcare professionals.
• Strong understanding of the importance of reliable, secure, and scalable technology solutions, with experience using appropriate tools and practices to achieve these goals.
• Excellent communication skills, capable of translating complex technical concepts into understandable language for non-technical stakeholders.
• Empathy and a customer-focused mindset, with a passion for delivering value through technology solutions.
• Ability to work comfortably in ambiguous situations, adapt to changing priorities, and learn new skills quickly.
• Fluency in English, with excellent written and verbal communication skills.

Nice to have

• Experience working with data warehousing solutions such as Snowflake, and understanding of data management best practices.
• Background or prior experience working within the UK healthcare sector, with knowledge of its data sources, regulations, and operational workflows.
• Educational qualifications such as a bachelor's, master's, or Ph.D. in computer science, software engineering, or a related field.
• Familiarity with machine learning techniques, data engineering, infrastructure management, DevOps practices, or security engineering to support healthcare data solutions.

Skills & tools

• Python for backend development and scripting.
• React for building interactive and user-friendly front-end interfaces.
• Airflow for orchestrating data workflows and pipelines.
• Snowflake for data warehousing and analytics.
• AWS infrastructure for deploying, managing, and scaling cloud-based applications.

Practical notes

• Visa sponsorship is available for qualified candidates, supporting international applicants to work in the UK.
• The position offers a competitive salary and benefits package, aligned with industry standards and experience level.
• Flatiron Health values diversity and inclusion and encourages applications from candidates of all backgrounds.
• The application process is ongoing, with rolling reviews until the position is filled.
• Candidates are expected to be committed to continuous learning, sharing knowledge, and contributing to a collaborative team environment.