Development, maintenance and optimization of mobile applications using Flutter and Dart — from feature implementation to sustainable improvement of existing codebases
Active participation in technical concepts and architecture decisions and further development of our mobile stack, including development standards, processes and workflows
Evaluation and assessment of technology options (e.g., Flutter vs. native approaches, Kotlin Multiplatform) — both internally and in technical client consulting on architecture, platform strategy and feasibility
Conducting code reviews and ensuring sustainable code quality
Evaluating and integrating new technologies — including AI-assisted development tools (e.g., Copilot, Cursor, Claude) — and actively transferring knowledge to the team

Several years of professional experience (at least 3 years) in software development in the mobile domain
Excellent 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 ecosystem components, 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 position Flutter in the context of platform alternatives (Kotlin Multiplatform, Swift/SwiftUI, React Native) and provide well-founded technology recommendations
Experience with agile methodologies (Scrum/Kanban), strong communication skills, team spirit and willingness to actively share knowledge
Consulting skills and the ability to act as the technical point of contact in client projects
Analytical mindset, structured working style and willingness to continuously develop professionally
Business-fluent German and English skills

Varied tasks through diverse, purpose-driven projects
Room for innovation: actively shape our tech stack, processes and the adoption of new technologies
Modern work environment with flexible location within Germany (100% remote possible)
Trust-based working hours and flat hierarchies
30 days vacation
Company pension scheme and private supplementary health insurance
Dog-friendly office in the heart of Hamburg
Fresh fruit, muesli bar, complimentary drinks — plus PlayStation & foosball table
Bicycle leasing and Deutschlandticket if you work regularly from the office
Regular team events, summer parties and Christmas celebrations

Senior Software Engineer, Flutter

Key skills