Senior Software Engineer

At Castor, we drive faster, smarter medical research. We believe that faster, more diverse clinical trials help extend the human health span and provide a greater return on investment.

We strive to improve the clinical trial experience for patients, sites, and sponsors, using technology to accelerate every step of the clinical trial journey. Our modular clinical trial platform enables the capture and re-use of research data from anywhere, anytime and helps optimize each activity in the clinical trial journey by reducing human effort with technology. From recruitment to monitoring, we help make it easier to design and deploy trials, enroll and engage patients, collect data, and analyze results. Next to being very purpose-driven, we are proud of our caring company culture. We follow our values diligently and take the well-being of each Castorian seriously. Sounds like something for you? Read on

What you'll focus on

As a Senior Software Engineer (Backend) in our Integrations team, you play a key role for our client integration work. You'll design and deliver high-quality, robust integration solutions to connect the Castor platform with external client systems, working closely with clients and internal stakeholders to validate complex requirements for each build.

What you'll bring

• 5+ years of software development experience in languages like Python (preferred), PHP, etc, demonstrating both breadth and depth of technical expertise
• Strong background in project delivery and services-oriented environments, with experience and comfort working through delivery cycles
• Demonstrated ability to share knowledge via formal mentoring, reviewing code, reviewing design documents, and providing technical talks
• Experience working across full-stack solutions and experience in scaling up cloud-based applications
• Comfortable using AI tooling (e.g., Cloud Code, Copilot) to enhance productivity
• Nice to have: Experience within life sciences, healthtech, or e-clinical products

Please note this role is open for applications in Europe. However, at this moment we are unable to accept applications from France, Germany, Spain, Bulgaria, and Switzerland.

How Castor takes care of you

• 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

We are a remote company. At Castor, we value flexibility and believe that the best talents can work anywhere in the world. From flexibility improvements to productivity growth, we want to make sure you are happy, healthy, and productive while working from home.

Every Castorian counts. We celebrate you for who you are. We build products to make clinical research accessible to the world and a company where everyone, anywhere, is welcome. It does not matter where you are from, where you are based, or what your gender, age, or sexual orientation is. Our remote setup is for your family, your work-life balance, your mental health, and your right to be your most authentic self. You are celebrated for who you are, for all the differences that define you. We want your unique voice to be heard and succeed together as a happy and healthy team Castor continues to grow as an Equal Opportunities Employer. We strongly encourage applications from women, people of color, and people from the LGBTQ(+) community. Please feel free to share the pronouns you use (for example she/her/hers, he/her/his, they/them/theirs, etc.).