Sebastian Großmann

• - AI-based development of a real-time multiplayer browser game (Node.js, Socket.IO, Phaser 3, MySQL)

• - Creation of game design and game mechanics with progression systems (ships, types, skills, equipment, crafting, quests, and clan management)

• - Server-authoritative architecture with 60+ WebSocket events for cheat-proof game mechanics

• - Stripe payment integration with subscription management and webhook processing

• - JWT authentication with password reset flow and role-based access control

• - AI-guided terminal-based server and web hosting setup (Hetzner)

• - Use of ChatGPT, Claude Code, Gemini, Perplexity

Side projects

• - Setup of local RAG database for magazine analysis (python)

• - Setup web crawling job (python)

(User: 90, Methodology: agile, Module: Marketing)

- Definition & Prioritization of Product Backlog (Sprint-based; iterative & incremental)

- Responsibility and leadership for roadmap, sprint, and release planning

- User support

- Planning & execution of training sessions

- Creation and expansion of CRM Wikipedia (Sharepoint; approx. 70 pages/manuals)

- Establishment of GDPR concept – Focus: Mail and E-Mailing (incl. ensuring objections, data subject access requests)

- GDPR assessment (status quo analysis, evaluation of missing measures)

- Requirements Engineering (requirements management, testing, acceptance, international corporate communication) – Content: Event management, contract management, price lists, customer service, campaigns, marketing activities with interfaces to product database, price database, address management & printing companies

- Cleanup – Roles and permissions according to concept

- Disaster recovery after security incident

- Transition of customer journeys to regular operation

- Introduction of "My Area" for doctors based on CRM customer database

- Introduction of check-in app for congresses

- Introduction of customer service module for medical inquiries (6 users)

- Introduction of on-site app for liaison management

- Conversion of hotel list generation

- Facelift, expansion of approval process, and migration in the price database

Power Platform Product Owner (Environments: 28)

- Creation & standardization of environments

- Establishment of naming conventions

- Environment management (migration of Canvas apps to designated environments)

- Permission management with documentation (standard groups, deletion of old teams and permission roles)

- Expansion of backup functions (Avepoint)

- Setup & support of a Power Apps community, establishment of governance & guidance

- Project participation (Roles: PMO, Tester, Docu-Writer, User Support)

- Project goal: Creation of technical login for doctors (registration & management of GDPR consents)

- License purchase in the Microsoft 365 admin center (Dynamics Sales Premium, Microsoft Business Standard)

- Environment management in Power Platform Admin Center

- System setup Sales Hub (Accounts, Contacts, Email Templates, Email Signatures, Segments, Sequences, Price Lists, Leads, Opportunities, Quotes, Orders, Invoices, Products)

- System setup Customer Service Hub (Cases, Queue, SLA, Knowledge Articles, Services, Facilities, Resources and Groups)

- Email activation via Dynamics 365 Extended Settings

- Teams integration with settings in Teams Admin Center

- System configurations (field extensions, UI customizations)