Senior Fullstack Engineer, React/TypeScript

We celebrate diversity and encourage individuals of all genders (m/f/d) to apply.

We’re on the lookout for an ambitious Senior Fullstack Engineer to join our Engineering team at our office in Berlin. Join us in building the largest AI enabled fintech for healthcare!

About Nelly

At Nelly, we’re revolutionizing medical practice management with AI-driven automation and seamless digital workflows. Our innovative solutions - from best-in-class patient journeys, AI enabled patient relationship management and billing to state of the art payment solutions - eliminate painful workflows and improve financial outcomes making healthcare administration smarter, faster, and 100% digital.

To fuel our mission, we just raised €50M in our Series B, backed by top-tier investors like Cathay, Notion, Lakestar, GFC, b2venture, and Motive Partners. With this momentum, we’re on a mission to build Europe’s largest fintech in healthcare - bringing best-in-class financial and operational solutions to over 1 million medical practices serving millions of patients daily.

Join us now if you’re driven by impact, excited by fast-paced innovation, and ready to shape the future of healthcare!

• Build and optimise key customer features for the entire patient journey.
• Work with modern technologies such as TypeScript, React, Next.js, Node.js and more. We host everything on AWS and manage our infrastructure as code.
• See your ideas go from concept to implementation, impacting customers within your first few days.
• Make a significant contribution to defining, maintaining and improving our architecture and best practices.
• Join a driven, highly skilled, engineering team and collaborate with talented professionals — learning from their expertise and contributing your own.

• At least 5 years as a software engineer.
• Full-stack experience, from UI implementation to database optimisation, with strong TypeScript skills.
• Proficiency in data and API modelling.
• Knowledge of software engineering best practices for the full development life cycle.
• Strong team-player mentality.
• Bonus points for experience with AWS and security best practices.

• Competitive salary
• Top of the line working equipment
• Generous budget for learning and development activities
• Flexible working hours and hybrid work mode in Berlin
• 4 weeks workation possibility
• Cozy and dog friendly office in the city centre
• BVG Ticket or Swapfiets subscription
• Urban Sports membership

We are looking forward to receiving your application and welcoming you to the team.