Senior Fullstack Engineer (w/m/d)

Why Flinn? We are building a truly exceptional culture: While many companies claim to have a great culture, we invite you to discover what truly sets ours apart. Visit our career page , speak with our team, listen to our founders’ podcast, or experience our culture first-hand during the interview process. Make a Meaningful Impact: Your work at Flinn contributes directly to solutions that improve people’s health and lives by making high-quality health products accessible for everyone. Experienced, well-funded, highly professional: As well-funded startup veterans, we know how to sustain long-term business health and success, ensuring an environment for continuous personal growth. What’s in it for you? Join a fast-growing, well-funded European startup backed by experienced founders and investors. Be part of a mission-driven health-tech company whose work directly improves people’s lives. Take end-to-end ownership of core operational processes that keep the company running. Work in a high-trust, low-ego environment with autonomy and clear ownership. Enjoy flexible working hours , remote flexibility, and regular team time off-site. Receive one of the most employee-friendly equity packages , including fair vesting terms and profit-sharing opportunities. Grow in a professional, high-standard environment that supports long-term personal and career development. Your contributions to our journey: Be involved in defining and shaping our technical roadmap. Drive and spear-head architectural and software design decisions. Take part in shaping our software development processes as well as quality and security standards. Be hands-on in designing, developing and deploying scalable web applications. Mentor other team members and be involved in hiring software engineers. What you need to be successful: Proven track record of designing, implementing, delivering and maintaining complex web applications. Experience building modern backend systems (preferably using Node.js). Solid understanding of both relational and non-relational databases. Experience in frontend development (preferably React). Motivation to write clean, well-tested, well-documented and maintainable code following strict compliance rules and guidelines. We are not just looking for someone to complete Jira tickets, but rather to be actively involved in decision making (product & tech) and take ownership and initiative. Attributes we are looking for: You have a positive, problem-solving mindset and a clear bias for action, you bring in your ideas and solutions proactively. You have a passion for sharing your knowledge, you mentor less experienced engineers, you lead by example. You are a good communicator both with technical and non-technical folks and are able to give and receive direct and open feedback. You are flexible, pragmatic, and able to react to new findings and keep adapting under dynamic environments. You are passionate about creating products that solve real-world problems, while regarding technology as a tool and not an end in itself. 🇪🇺 At this stage of our company, we can only accept applications from people who are based in Europe with either European citizenship, an active working visa or being self-employed and joining us as a full-time contractor. We strive to remove barriers, eliminate discrimination, and ensure equal opportunity through our transparent recruitment process. We are open to all groups of people without regard to age, color, national origin, race, religion, gender, sex, sexual orientation, gender identity and/or expression, marital status or any other legally protected characteristic.