Leon Grimmeisen is a Junior Backend Engineer at Stealth Startup.
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Junior Backend EngineerStealth StartupBerlin, De -
Ios App DeveloperSelbstständig Feb 2022 - PresentBerlin, Deutschland- Self-taught iOS developer creating apps to solve personal challenges- Conceptualized, developed, and launched three functional apps on the App Store- Built using Swift with SwiftUI and several frameworks like CoreData, HealthKit, WidgetKit, Charts and Combine following MVVM architecture- Managed entire product lifecycle from ideation and UI/UX design through deployment and maintenance
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Product ManagerMyos Jul 2022 - Dec 2022Berlin, Deutschland- Worked on product development of internal software systems, including warehouse management system, KPI dashboards and reporting layers- Collaborated with engineering and business teams to improve workflows- Created specifications for new software components- Developed documentation for reporting infrastructure- Supported and optimized warehouse partner onboarding process, creating standardized procedures and documentation- Responsible for process improvements -
Portfolio ManagerMyos Aug 2020 - Jun 2022Berlin, Germany- Managed portfolio of 200+ e-commerce clients, payout validation, and collateral management.- Designed and implemented new inventory management systems and warehouse onboarding processes- Coordinated with partner banks for payment processing and documentation- Developed and maintained efficient workflows between multiple stakeholders including clients, warehouses, and banking partners -
Business Development InternMyos Feb 2020 - Jul 2020Berlin Und Umgebung, Deutschland- Managed client portfolio at Berlin-based fintech startup providing financing solutions for e-commerce merchants.- Assisted in inventory and logistics operations while coordinating with warehouse partners. Supported payout validation process and customer success initiatives.- Collaborated with cross-functional teams to streamline documentation and workflows. -
FounderBeedchi Jan 2019 - Jun 2020Reutlingen, Baden-Württemberg, Germany- Founded and scaled an eco-friendly e-commerce business on Amazon FBA, specializing in beeswax wraps- Achieved 5-figure revenue through strategic product development, supply chain optimization, and data-driven marketing- Managed end-to-end operations including product sourcing, inventory management, customer service, and marketplace optimization
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Voluntary Year Of Social ServiceDurbanville Children'S Home Jun 2017 - Jun 2018City Of Cape Town Metropolitan Municipality, Westkap, Südafrika- Supported youth development at prominent South African children's home caring for 150+ children- Provided daily school transportation for a group of residents, collected donations from local supermarkets, and assisted with educational activities and community events- Worked alongside social workers to support emotional development and helped facilitate weekend recreational programs
Leon Grimmeisen Education Details
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International Business -
International Business
Frequently Asked Questions about Leon Grimmeisen
What company does Leon Grimmeisen work for?
Leon Grimmeisen works for Stealth Startup
What is Leon Grimmeisen's role at the current company?
Leon Grimmeisen's current role is Junior Backend Engineer.
What schools did Leon Grimmeisen attend?
Leon Grimmeisen attended 42 Berlin, Esb Business School, Reutlingen University, Reichman University (Idc Herzliya).
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