Software Engineer at 361 GRAD DIGITAL GmbH

• Roles: Flutter/Dart + Elixir/Phoenix developer • Clients: KOOS Edelmetalle (DE), BOSCH (DE) PROJECT 1: B2B Precious Metals Trading App - Fintech [KOOS] • Developed and maintained Flutter/Dart codebase for Android, and Web platforms, contributing 35% of total application code • Executed UI redesign — rebuilt all screens, components, and widgets from legacy design to modern interface • Implemented multi-step transaction wizard with real-time 15-minute countdown timer, reducing user drop-off during checkout flow • Built custom animation sequences for launch screen, improving app perceived performance and user first impression • Created reusable UI component library (inputs, tables, navigation) ensuring consistent design across 15+ screens • Integrated REST APIs for real-time price updates, user authentication, and order processing • Wrote widget and integration tests covering critical user flows, reducing regression bugs • Collaborated with backend (Elixir/Phoenix) to ensure smooth API integration and data consistency PROJECT 2: Document Automation System [KOOS] • Built responsive UI components and PDF document templates • Implemented markup rendering and PDF document preview functionality • Ensured cross-platform consistency across web and mobile PROJECT 3: Marketing & Sales Academy - Internal Evaluation Platform [BOSCH] • Developed backend features using Elixir and Phoenix framework • Implemented competence assessment and upskilling workflow logic for marketing & sales organization • Built API endpoints for employee evaluation data and training matrix • Collaborated on database design and system architecture • Participated in code reviews, sprint planning, and daily standups in Agile environment • Collaborated with architect on system design and technical decisions