Job description
Founding Senior Full Stack Engineer
Job Summary
We're partnering with an ambitious, early-stage, medi-tech startup looking to hire a Founding Senior Full Stack Engineer to join their core team. This is a unique opportunity to work directly with the founding team, shape the technical vision, and play a pivotal role in building and scaling a product from the ground up. As one of the first engineering hires, you'll have significant influence over architecture, technology decisions, engineering culture, and product direction.
Key Responsibilities
- Develop and scale backend systems and customer-facing web applications
- Own product features from concept through to deployment and optimisation
- Work closely with founders and cross-functional teams to shape product strategy
- Design and implement scalable, maintainable, and secure software architectures
- Build and maintain APIs and backend services
- Drive engineering best practices, testing, and code quality standards
- Implement and improve CI/CD processes and deployment workflows
- Stay up to date with emerging technologies and industry trends
Requirements / Qualifications
- 5+ years of commercial software engineering experience
- Bachelor's degree in Computer Science, Mathematics, Engineering, or a related discipline
- Strong backend development experience with Python and FastAPI
- Experience building modern web applications using: JavaScript / TypeScript | React | Next.js
- Solid understanding of software development lifecycle (SDLC) principles
- Experience working with automated testing and CI/CD pipelines
- Experience operating in startup, scale-up, or similarly high-ownership environments
- Strong communication skills with fluent written and spoken English
- Authorized to work in Germany
Preferred Qualifications
- Experience working within regulated industries such as healthcare, fintech, or insurance
- Exposure to mobile development frameworks, particularly Flutter
- Experience with cloud infrastructure and services, ideally Google Cloud Platform (GCP)
- Previous experience as an early engineering hire or founding engineer
Who We're Looking For
The ideal candidate:
- Takes ownership and accountability for outcomes
- Has a strong builder mentality and enjoys creating solutions from scratch
- Is comfortable operating in fast-moving, evolving environments
- Can think strategically while remaining hands-on technically
- Demonstrates strong problem-solving skills and systems thinking
- Communicates openly, collaborates effectively, and embraces feedback
- Is motivated by the opportunity to help build a business from an early stage
Salary & Benefits
- Competitive salary: €90,000 - €120,000
- Meaningful equity package
- Direct impact on product, technology, and company direction
- Opportunity to work closely with an experienced founding team
- Significant career growth potential as the business scales
- A chance to be part of building something from the very beginning