Marius Anderie

Summary

I help engineering teams make legacy enterprise systems AI-ready. I design and ship production RAG systems, MCP tooling, and AI agent architecture, typically as sole contributor. Deep roots in Clean Architecture, Azure Cloud, and Windows kernel security.

Core Skills

• AI & LLM Engineering: Agent Orchestration, Claude Code, Codex, RAG, MCP, Multi-Agent Systems, Context Engineering
• Backend & Architecture: Python (FastAPI), C# (.NET 8, ASP.NET Core, EF Core), Clean Architecture, Vertical-Slice CQRS, DDD, Microservices
• Cloud & Infrastructure: Azure (AI Search, Web Apps, DevOps, Cosmos DB), Docker, Terraform, CI/CD (Azure Pipelines, GitHub Actions)
• Systems & Security: Windows Kernel Development, C/C++, Minifilter Drivers, Roslyn / ts-morph Code Analysis

Professional Experience

Senior Software Architect · Nexplore AG

Bern, Switzerland · Jun 2023 to present

Successfully delivered multiple high-impact projects for key clients, demonstrating leadership in architecture, AI/ML engineering, and full-stack development.

• Project: AI-Powered Multi-Agent Support Assistant: Defense Client (Switzerland)

  • Roles: Software Architect, AI/ML Engineer, Lead Software Engineer (Jan 2024 - Present)
  • Led the design and delivery of a microservice-based RAG chat assistant using Python, FastAPI, Azure OpenAI (GPT-4o), Azure AI Search, and React.
  • Architected the end-to-end system, built chat, ingestion, and LLM-based evaluation (RAGAS) frameworks.
  • Impact: Reduced L1 support tickets by 40%, improved correct answer rate from 40% to 80% for 12,000 users, and maintained zero P1 incidents with bi-weekly rollouts.

• Project: Code Intelligence & MCP Server: Defense Client (Switzerland)

  • Roles: AI/ML Engineer, AI Tooling Developer, Software Architect (Jan 2026 - Feb 2026)
  • Built static-analysis tools (TypeScript/ts-morph for Angular frontend, C#/Roslyn for .NET backend) and a Python MCP server exposing 6 tools for AI coding agents; sole contributor on a 500k+ LOC legacy codebase.
  • Impact: AI agents completed benchmark tasks 4.7x faster; enriched all 715 chatbot actions with extracted business logic in 1.5 hours; demonstrated a replicable approach for making legacy codebases AI-ready.

• Project: Automated UI-Action Generation Pipeline: Defense Client (Switzerland)

  • Roles: AI/ML Engineer, AI Tooling Developer (Jan 2026 - Feb 2026)
  • Conceived and solely built a UI-tree capture pipeline (JavaScript bookmarklet, Node.js, Python/FastAPI, Azure OpenAI) that extracts structured action data from a web portal for RAG ingestion.
  • Impact: Generated 715 structured actions in one month, up from 3 produced by months of manual effort; trilingual localization (DE/FR/IT); received a salary raise in recognition.

• Project: Monolith-to-Modern Strangler Migration: Defense Client Web Suite

  • Roles: Tech Lead, Software Architect, Lead Software Engineer (Jun 2023 - Jan 2024)
  • Stabilized an 8-year-old .NET/Angular monolith by architecting and initiating a Strangler-Fig migration using YARP, Docker, Nginx, and Vertical-Slice CQRS (.NET 6).
  • Authored a 10-page strategy paper and roadmap, implemented containerization, gateway PoC, and rewrote CI pipeline in Nuke.
  • Impact: Secured CHF >3M funding for the modernization roadmap, reduced regression defects by 70%, and cut test pipeline runtime by 33%.

• Project: Employee-Data Word Plugin Integration: Coop Group (Switzerland)

  • Roles: Solution Architect, Full-Stack Developer, DevOps (4-week build in 2023, ongoing enhancements)
  • Designed, built, and deployed solo a secure, full-stack data bridge (C#, ASP.NET Web API, Angular, MongoDB, Azure Web Apps, Terraform) for Officeatwork, integrating with Coop's directory services.
  • Impact: Shipped MVP in 4 weeks, enabling dynamic templates for 8,000+ employees. Maintained >90% TDD coverage and secured ongoing enhancement requests.

Full-Stack C# / .NET Software Engineer · Techgroup Schweiz AG / Maison du Software

Zürich, Switzerland · Feb 2022 to Jun 2023

• Project: Track & Trace Platform "TNT": Planzer (Logistics, Switzerland)
  • Roles: Software Engineer, Backend Lead (Feb 2022 to Jun 2023)
  • Engineered a high-throughput microservice (.NET 6, ASP.NET Core, MediatR, EF Core, Onion Architecture) for real-time shipment tracking.
  • Implemented core business logic, idempotent APIs, integration tests, and designed the email notification module.
  • Impact: Handled 100,000+ API calls on launch day with 0 P1 incidents and 100% availability during migration.

C# .NET Software Engineer (Contract)

Remote · Sep 2021 to Jan 2022

• Developed blockchain components in .NET.
• Shipped a MAUI mobile application and a Blazor web portal for the same product suite.

C/C++ Software / Kernel Engineer · Conpal GmbH

Frankfurt am Main, Germany · Jul 2019 to Aug 2021

• Project: Enterprise File-Encryption Minifilter Driver: LANCrypt (Windows)
  • Roles: C/C++ System Programmer, Windows Kernel Developer
  • Maintained, hardened, and re-architected a production-grade Windows kernel minifilter driver (C++17, Windows Filter Manager) for transparent file encryption.
  • Implemented self-protection mechanisms (ObRegisterCallbacks) and analysed >50 customer crash dumps to assembly level.
  • Impact: Deployed on >100,000 endpoints; 0 successful runtime-tampering incidents post-hardening; cut crash-dump resolution time by 60%.

Selected Personal & Academic Projects

• Distributed Autonomous Agent System: 8-Repo Architecture (Personal R&D, 2019 to 2025)

  • Roles: Software Architect, Systems Developer, DevOps
  • Designed and built an 8-repository distributed system (C# .NET 8, Python/FastAPI, Lua, ZeroMQ, Redis, GPT-4o, Recast/Detour) orchestrating 18 simultaneous autonomous agents across GPU-VPS and local infrastructure. Architecture includes a game-independent behavior tree framework with reflection-based command discovery, real-time IPC via ZeroMQ, and LLM-powered natural-language processing pipeline.
  • Impact: Fully autonomous end-to-end pipeline; 18 concurrent agents across distributed infrastructure; 337 waypoint routes; 120+ behavior tree node types.

• Community-Driven Forum Platform (Personal Project, 2021 to Present)

  • Roles: Founder, Full-Stack Engineer, DevOps
  • Bootstrapped and evolved a microservice forum platform (Python FastAPI, .NET 8 Blazor, MySQL, Angular, Nginx, Grafana) using a Strangler-Fig HTML proxy approach.
  • Impact: Scaled to 100,000+ daily page views with 99.9% uptime; revenue-positive; increased active posters by +25%.

• MemWars: Game-Security Research Framework (M.Sc. Thesis, Philipps-University Marburg, 2018 to 2019)

  • Roles: Security Researcher, C++ Developer, Reverse-Engineer
  • Built a Windows-kernel-aware security testing framework (C++17, Lua, WinAPI) to evaluate anti-cheat protection systems. (github.com/moccajoghurt/MemWars)
  • Impact: Evaluated 4 commercial protection suites across 9 titles, identifying kernel-mode security gaps. Open-sourced project gained 48 stars.

Education

M.Sc. Computer Science, Philipps-University Marburg Marburg, Germany · Oct 2016 to Jan 2019 - Focus: Software Design, Refactoring, OO Design Patterns - Thesis: "MemWars: Game-Security Pen-Testing Framework"

B.Sc. Computer Science, Frankfurt University of Applied Sciences Frankfurt am Main, Germany · Apr 2012 to Apr 2016 - Focus: Software Engineering, Machine Learning - Early research: Robot localization (Honda Research Institute), pattern recognition lab (university)

Languages

• German: Native
• English: Fluent (Spoken & Written)