SYSTEMS ARCHITECT • NRW, GERMANY

Marvin Drude

Senior Full Stack Developer ALLOCATION-AWARE

01 // PROFESSIONAL PROFILE

Portfolio of Marvin Drude, a senior full stack developer in Germany building performance-minded C#, .NET, Blazor, analytics, BI, and developer tooling systems.

I design and ship full-stack software with C#, .NET, Blazor, databases, and a constant eye on allocation pressure, response time, query shape, and runtime cost. The work ranges from BI product development to analytics platforms, backend systems, real-time games, and developer tooling.

02 // WORK EXPERIENCE

Senior Full Stack Developer

CONNEXT Communication GmbH

03/2025 - Present

FOCUS // BI product engineering

• Designing and implementing features in the Vivendi BI product branch for faster customer decision-making.
• Translating complex business requirements into maintainable C# systems with lower long-term technical debt.
• Improving BI workflow performance, data handling, and developer productivity with focused tooling.

.NETC#BlazorSQL ServerPostgreSQL

Senior Full Stack Developer

Drude, Grossert GbR

08/2022 - Present

FOCUS // Independent products

• Co-founding a small software company focused on self-driven products and tailored client solutions.
• Owning product development from concept and architecture through deployment and maintenance.
• Building tools that are used directly by the team, which keeps quality pressure close to the work.

.NETC#BlazorMongoDBClickHouseNode.js

Senior Full Stack Developer

Fellowmind Germany GmbH

04/2024 - 02/2025

FOCUS // Cloud systems and migrations

• Designed and enhanced modern web applications with ASP.NET, React, and native JavaScript.
• Planned cloud-native Microsoft Azure architectures with a focus on reliability and cost discipline.
• Migrated legacy codebases into modern environments while preserving business-critical behavior.

.NETC#AzureReactSQL ServerSharePoint

Full Stack Developer

Fellowmind Germany GmbH

08/2017 - 08/2022

FOCUS // Azure and web platforms

• Designed and implemented Microsoft Azure architectures for scalable and secure customer solutions.
• Built React and native JavaScript frontend components with a focus on usability and performance.
• Modernized legacy systems into current ASP.NET, .NET Framework, and .NET 5/6 environments.

.NETC#AzureReactNode.jsPowerShellSharePointTeams

SiteSights io

Since 03/2023

A privacy-friendly analytics product with a .NET backend, ClickHouse storage, custom charts, billing, and live product telemetry.

• Built analytical query flows and dashboards for practical website insights.
• Implemented custom interactive charting with JavaScript, CSS, and Canvas.
• Integrated subscriptions, observability, HTTP APIs, and WebSocket communication.

.NETClickHouseBlazorCanvasPaddle

Gidd io

Since 02/2021

Browser-based multiplayer mini-games backed by ASP.NET, WebSockets, scalable services, and Three.js experiences.

• Built real-time frontend-backend communication over HTTP and WebSockets.
• Implemented backend game logic, horizontal scaling paths, and anti-cheat mechanics.
• Created 3D browser experiences using Three.js.

.NETWebSocketsThree.jsJavaScript

SpeedAutoClicker

Since 05/2020

A Windows automation utility with a WPF interface, low-level input integrations, and a supporting web presence.

• Implemented Windows API integrations for high-performance mouse automation.
• Built and maintained the accompanying web application and content pipeline.
• Kept the product practical, lightweight, and focused on the core automation task.

WPFC#Windows API.NET

HIGHLIGHTED LIBRARIES (.NET & C#)

Beskar.Networking

Since 07/2026

A high-performance, transport-agnostic networking library for .NET centered on pipelines and custom memory buffers.

C#.NETNetworkingPipelinesPerformance

Beskar.Markdown

Since 05/2026

A simple, low-memory, extensible Markdown parser and HTML renderer for performance-sensitive .NET use cases.

C#.NETMarkdownHTMLPerformance

Beskar.Memory

Since 08/2025

A shared C# memory and buffer library centered on pools, spans, and reusable building blocks.

C#.NETMemoryBuffersPerformance

Beskar.CodeGeneration

Since 03/2026

A lightweight C# code generation library for building source generators and project-specific generator tooling.

C#.NETSource GeneratorsDeveloper ToolsPerformance

CodeAnalytics.Engine

Since 07/2025

A C# solution analysis engine that turns projects, source files, dependencies, and metrics into navigable insights.

C#.NETBlazorAnalyticsRoslyn

EDUCATION & CERTIFICATION

• Fachinformatiker Anwendungsentwicklung, Fellowmind Germany Gmbh
• Higher commercial school with focus on information systems

ENGINEERING FOCUS & DOMAINS

• Software architecture
• Performance engineering
• Memory-conscious .NET
• Product development
• Developer tooling