Clear.bio · Standplaats: Amsterdam · 13 november 2025
Junior Back-End Developer
Do you want to kick-start your career as backend developer, and make a difference in digital healthcare and prevention at the same time? Can't wait to be part of a fast-growing, data-driven health-tech startup with ambitious and passionate teammates? Are you looking for the next challenge in your early career as backend developer? Then this job at Clear.bio is perfect for you!
Full-time · Amsterdam
About Clear.bio
is a health-tech startup (founded in 2019) from Amsterdam and one of Europe's hottest startups . Our ambition is to become one of the leading companies in digital therapeutics in Europe.
Our mission is to help millions of people with type 2 diabetes become the best and healthiest version of themselves - using data instead of pills, and leveraging the latest science and technology in nutrition.
Clear.bio has developed a digital self-help tool that enables people with type 2 diabetes to discover their optimal diet, adopt a healthier lifestyle, and reverse their condition. Real-time bio-data, remote nutrition coaches, and a smart app provide personalized nutritional advice and support behavioral change.
Your Responsibilities
As a Jr Backend Developer you'll work on backend services, help resolve support tickets, and assist with data-related questions (as a start, this will be 30%-50%-20%). This role is perfect for someone early in their career who wants hands-on experience with Python development, databases, and data analysis while contributing to meaningful projects in healthcare.
Your daily tasks will include:
● Writing clean, maintainable Python code and contributing to backend services
● Help building APIs and backend components
● Working with relational and non-relational databases (SQL, NoSQL, RDS) to store and manage data
● Responding to support tickets and help troubleshoot issues
● Collaborating with engineers, data teams, and product teams to deliver solutions
● Assisting in analyzing and validating data, to answer questions from the team
● Participating in code reviews and follow best practices for software development
● Learn and apply new Python frameworks and data tools.
About You
Must-haves:
Relevant bachelor's degree
At least 1 year of relevant experience in backend development. This may include internships, as long as it is relevant enough (please outline in your application).
Good foundation in Python and basic backend principles
Some experience with web frameworks like Django, Flask, or FastAPI
Experience with relational and non-relational databases (PostgreSQL, MySQL, MongoDB, RDS)
Experience with Git, Jira, and cloud platforms (AWS preferred)
Interest in data science or data analytics
Problem-solving mindset and willingness to learn
Strong customer-focused mindset
Excellent listening and communication skills
Independent thinker, problem solver, and self-starter
Curious, driven, and process-oriented
Your entrepreneurial spirit shows in your pragmatic and hands-on approach
Fluent English (spoken and written)
Residing in the Netherlands, able to be onsite in Amsterdam every Tuesday and Thursday
Please note: youmust havefull work authorization for the Netherlands; visa sponsorship is not available for this role
Nice-to-haves:
Experience with containerization (Docker, Kubernetes)
Exposure to CI/CD pipelines
Familiarity with Python data libraries (Pandas, NumPy, Scikit-learn)
Experience with healthcare or regulated data environments
Skills in Dutch, German and/or French
Our Offer
Gaining hands-on experience across backend development, support, and data analysis
Opportunity to explore new technologies and build a strong foundation in Python and data
Competitive salary with an attractive stock option plan
Lots of responsibility and autonomy in a fast-paced, informal, and hybrid work environment
12 amazing teammates (with more joining soon!)), a fun and easily accessible office in Amsterdam, and potentially more offices in other regions soon
The opportunity to make a real difference in the world of digital health and prevention
At Clear.bio , some team members work close to the office and others remotely; we have a hybrid setup with Tuesday and Thursday as our office days
Working at a startup requires resilience and cross-functional collaboration - you'll be encouraged to share ideas on everything, and our shared can-do mentality fosters an entrepreneurial atmosphereSounds like a great job? Click on the apply button, we'd love to hear from you!
Questions? Reach out to van Eekelen at