Software architect · Engineer · Trainer · Graphic Designer

Michał Wilczyński

I build systems and teach teams how.

Michał Wilczyński

Currently Software Architect & co-founderDevMentors.io · EcoVadis

Software architect and co-founder of DevMentors.io, staff engineer at EcoVadis. 12+ years in IT across development, architecture and leadership. Warsaw.

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In IT since 2012 ·
Warsaw · UTC+1

01 / What I do

Four roles, one job: take a tangled system and leave it legible — then leave a team able to keep it that way.

12+ yrs · .NET · distributed systems

01

Software architect

Event-driven, decomposed systems. DDD from strategy to tactics. Modernising legacy at scale.

02

Engineer

.NET / C#, Azure, Kubernetes, messaging. Staff engineer and tech lead for distributed teams.

03

Trainer & mentor

Co-author of three flagship DevMentors courses. Workshops, consulting, podcasts.

04

Graphic Designer

Visual systems, shapes and light. Ex-game dev — Unity3D, Regalia: Of Men and Monarchs.

  • C#/.NET
  • Azure
  • Kubernetes
  • DDD
  • Event-driven
  • RabbitMQ/Kafka
  • EF Core
  • Terraform

02 / Where I've worked

Enterprise platforms, and small teams that had to act like one.

Health care · ESG ratings · gamedev · CRM

  1. 2023 →

    DevMentors.io

    Software Architect & co-founder

    Architecture consulting, expert trainings and three flagship .NET courses.

    Own company
  2. 2022 →

    EcoVadis

    Staff Engineer · Tech Lead

    First team-owned independent microservice bridging legacy monoliths to Tableau BI; RBAC access-control platform across products. .NET on Azure/AKS.

    Enterprise · SaaS
  3. 2016 — 21

    LUX MED

    Senior .NET Developer → architecture owner

    Multi-tenant patient portal: 0.5M+ business operations in two years, ~150k req/day, 1000+ daily users. Led the shift to .NET Core, RabbitMQ and event-driven, vertically-sliced services.

    Enterprise · health care
  4. 2015 — 16

    Pixelated Milk

    C# / Unity3D Developer

    Game systems for Regalia: Of Men and Monarchs — quests, travel, crafting, loot — each with tools so designers shipped content without developers.

    Startup · gamedev
  5. 2015

    NAU S.A.

    .NET Developer

    ASP.NET MVC, SQL Server and technical analysis for school and student management.

    Product team
  6. 2015

    Outbox

    Junior MS Dynamics Consultant

    CRM implementations — C#/WWF backend, JavaScript frontend.

    Consulting

03 / DevMentors & courses

Courses and trainings used by .NET teams across Poland.

Co-founder and board member. Online courses, expert trainings and architecture consulting for .NET teams across Poland.

  1. 01Domain-Driven Designdomain-driven-design.net
  2. 02Messaging Pragmatyczniemessaging-pragmatycznie.pl
  3. 03Mikroserwisy Revisitedmikroserwisy-revisited.pl

04 / Open source

Course code, libraries and experiments — in public.

Six public repos: three course companions, a document-processing toolkit, Unity UI helpers and a set of shared C# libraries.