Castor · 13 hours ago
Senior Software Engineer (AI/Python)
United States
Full-time
Remote
Senior Level
5+ years expCastor is dedicated to driving faster and smarter medical research through innovative technology. As a Senior Software Engineer (AI) in the Catalyst team, you will build and scale AI-powered applications, collaborating with other engineers to develop and implement solutions.
BiotechnologyHealthcareSoftwarePharmaceuticalClinical TrialsHealth CareMedicalTherapeutics
Responsibilities
As a Senior Software Engineer (AI) in our Catalyst team you will be a key driver in building and scaling our AI-powered applications
You will work closely with other engineers to develop and implement innovative solutions
As part of your role you will also take part in our on-call rotation
Qualification
Required
5+ years of software development experience
You are a self-starter who can work independently and navigate environments with low structure, you have the heart of an entrepreneur
You enjoy being hands on, bringing new ideas and excitement to tackling challenging software problems
You deliver software efficiently while maintaining high engineering standards
You actively share expertise through design discussions, documentation, examples, and mentoring other engineers
Extensive experience with modern-day Python and its ecosystem
Experience with messaging patterns, event-driven architectures, and integrating with external systems
Understanding and experience with asynchronous programming patterns
Proven experience with cloud applications (GCP) and a working knowledge of Kubernetes
Proven experience with using AI tooling and workflows to deliver high quality production grade code suitable for regulated environments
A passion for building AI applications and using AI assistants
A commitment to high code quality, comprehensive testing, operational robustness, and thorough code reviews
Familiarity with data pipelines or ETL processes (though you are not a dedicated Data Engineer)
Preferred
Experience within life sciences, healthtech, or e-clinical products is a significant plus
Benefits
Guaranteed annual 'happy holidays' bonus
Employee Stock Option Plan
Learning & Development Budget to support your growth
Unlimited annual leave (25 days minimum)
A fully remote role, with support for your home office set-up
A flexible working schedule: nobody is tracking your time except you, we focus on output and delivery
A great work-life balance
Quarterly downtime weeks, well-being workshops, sleeping courses (for you and for new-borns) access to Open Up, virtual company events and celebrations
Company
Castor
Castor offers a cloud-based clinical data platform that simplifies and streamlines clinical trials processes.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$64.41MKey Investors
Eight Roads Ventures,F-PrimeTwo Sigma VenturesInkef
2021-07-14Series B· $45M
2020-08-19Series A· $12M
2018-07-02Seed· $6.25M
Leadership Team
Andrew Sadler
Chief Technology Officer
Sebastiaan Knijnenburg
Principal Innovation Engineer & Founder
Recent News
HealthCareIT News
2025-10-17
Company data provided by crunchbase