Architecting Digital Ecosystems

SŁAWOMIR
SKIBA

Senior .NET Developer / Umbraco Expert. Turning complex architectural requirements into elegant, scalable reality.

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Sławomir Skiba Profile
verified 17+ Years Experience

Expertise in C#, .NET Core, Umbraco CMS, and Azure.

Profile

Experienced Full Stack .NET Developer with 17+ years in software development across industries such as finance, energy, HR, and electronics.

Skilled in C#, JavaScript, Azure, Umbraco, and modern web technologies. Proven ability to lead complex projects, optimize performance, and deliver scalable solutions.

17+
Years Exp.
✓
Umbraco Expert
B2+
English
100%
Scalability

Technical Arsenal

A comprehensive suite of technologies mastered through years of practical application.

Languages

code
C# (.NET Core, ASP.NET MVC) JavaScript SQL Delphi

Frameworks & Libraries

layers
React Vue.js Umbraco Entity Framework Core D3.js NUnit / XUnit / Moq

Cloud & Tools

Azure (DevOps, App Services) Azure Cognitive Search Git Jenkins Jira Visual Studio

Databases & OS

MS SQL PostgreSQL Redis Elastic Search
OS: Linux (Debian-based), Windows

Professional Journey

2021 — Present
KMD Poland / CharlieTango

Senior Software Engineer

Developed scalable web solutions using Umbraco CMS, .NET Core, React, and Azure.

  • arrow_forward Led application architecture design, security (WaF, CSP, DDoS), performance (CDN, caching), and DevOps pipelines.
  • arrow_forward Integrated 3rd-party services and Danish e-government/energy platforms.
  • arrow_forward Maintaining and improving bank website built on Umbraco.
2019 — 2021
KMD Poland / CharlieTango

Senior Software Engineer

Developed full-stack solutions for the energy sector using .NET Core & React. Maintained and refactored legacy systems, improving UI and system performance. Led project planning in an agile environment.

2019
VIMN Poland (VIACOM)

Software Engineer

Migrated broadcast data services from XSL to C#. Developed and maintained 200+ backend services for international data exchange.

2017 — 2019
PGS Software S.A.

.NET Developer

Built workflow and resource management applications using ASP.NET MVC, Redis, and ElasticSearch. Delivered Azure internal workshops.

2014 — 2017
OrderOfCode sp. z o.o.

C# Developer

Developed embedded systems and WPF applications for recruitment and production systems. Built data analysis tools with D3.js and C# (Mono) for embedded Linux.

2007 — 2014
Microsystem s.c.

Full Stack Developer

Designed ERP and financial systems in Delphi for government, education, and manufacturing sectors.

school Education

B.Eng. in Programming

WSB Merito University, Poznań

Expected 2024

Computer Systems

Secondary Technical School of Electrical Eng.

Przemyśl, 2001

verified Certifications & Training

star

Umbraco Master

11-2025

cloud

70-532: Developing Microsoft Azure Solutions

mobile_friendly

Mobile Application Programming – Level C2

code

.NET Programming – Level C3 / Telecom on .NET

javascript

JavaScript Training

Ready for the next architectural challenge?

I am currently open to discussing senior-level opportunities, architectural consulting, or high-impact contract roles. Let's build something exceptional together.

mail
slawek.skiba@gmail.com
call
+48 793 150 153
location_on
Warsaw, Poland