Senior Software Engineer, Flutter

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🕒 March 27

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Bornholdt Lee GmbH

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2010

⚕️ Healthcare Insurance

☁️ SaaS

🤖 Artificial Intelligence

Healthcare Insurance • SaaS • Artificial Intelligence

Bornholdt Lee GmbH is a German company specializing in the conceptualization and development of digital health solutions, including Digital Health Applications (DiGA), medical devices (DTX), and digital nursing applications (DiPA). They work with healthcare providers, pharmaceutical companies, and health tech startups to bring ideas from concept to market-ready products, focusing on improving user experience and effectiveness as evidenced by clinical studies. Their expertise lies in their unique methodology, agile software development, and a commitment to high standards, as reflected in their ISO certifications.

📋 Description

• Develop, maintain and optimize mobile applications with Flutter and Dart — from implementing new features to sustainably improving existing codebases • Actively contribute to technical concepts and architecture decisions and further develop our mobile stack, including development standards, processes and workflows • Evaluate and assess technology options (e.g., Flutter vs. native approaches, Kotlin Multiplatform) — internally and in technical client advisory on architecture, platform strategy and feasibility • Conduct code reviews and ensure sustainable code quality • Evaluate and integrate new technologies, including AI-assisted development tools (e.g., Copilot, Cursor, Claude), and actively transfer knowledge to the team

🎯 Requirements

• Several years of professional experience (at least 3 years) in software development for mobile environments • Strong knowledge of Dart and Flutter and experience with multiple production Flutter projects • Understanding of modern app architectures and Clean Code / Clean Architecture principles (SOLID, Repository pattern, Domain-Driven Design) • Experience with common Flutter ecosystems, e.g., state management and dependency injection (e.g., Riverpod), HTTP communication and local data storage • Experience with CI/CD pipelines, reproducible builds and integrating external services and backends (e.g., Firebase or Appwrite) • Ability to contextualize Flutter among platform alternatives (Kotlin Multiplatform, Swift/SwiftUI, React Native) and provide well-founded technology recommendations • Experience with agile methods (Scrum/Kanban), strong communication skills, team spirit and willingness to actively share knowledge • Consulting skills and the ability to act as a technical contact person in client projects • Analytical mindset, structured way of working and commitment to continuous development • Business-fluent German and English

🏖️ Benefits

• 30 days of annual leave • Company pension plan and private supplementary health insurance • Dog-friendly office in the heart of Hamburg • Fresh fruit, cereal bar, free drinks — plus PlayStation & table football (foosball) • Bike leasing and Deutschlandticket (Germany public transport pass) when you regularly work from the office • Regular team events, summer parties and Christmas celebrations