🤟 Kamil Kiełbasa

CTO

Warsaw, Mazowieckie, Poland9 yrs 5 mos experience
AI Enabled

Key Highlights

  • Expert in Domain-Driven Design and scalable architectures.
  • Led teams to deliver complex software solutions.
  • Passionate about aligning engineering with business goals.
Stackforce AI infers this person is a SaaS architect with a strong focus on scalable and maintainable systems.

Contact

Skills

Core Skills

Web ApplicationsAmazon Web Services (aws)Domain-driven Design (ddd).netCloud ComputingProject ManagementArtificial Intelligence (ai)Data Engineering

Other Skills

MySQLLinuxJavaScriptSQLDevOpsMicroservicesEvent StormingEntity Framework (EF) Core.NET CoreC#Microsoft SQL ServerArchitektura aplikacjiKubernetesTerraformMicrosoft Azure

About

I’ve been working in IT for over a decade, long enough to see technologies come and go, and long enough to focus less on trends and more on what actually works in production. I started as a developer, but over time moved toward architecture and technical leadership. Not as a planned career path, but as a result of consistently asking the same questions: Why is this system hard to change? Why does delivery slow down over time? Why do seemingly small decisions create long-term risk? Today I work at the intersection of software architecture, engineering leadership, and organizational design. I help teams and companies build systems that are not only scalable, but also adaptable to change — because in practice, the ability to evolve matters more than the ability to scale. My experience spans designing distributed systems, working with Domain-Driven Design, and building cloud-based platforms (.NET, AWS, Docker). But more importantly, it includes shaping how teams make decisions, define boundaries, and collaborate across roles. I’ve led technical initiatives, supported teams in making architectural trade-offs, and facilitated workshops that align engineering with business goals before those decisions are locked into code. I care deeply about: - reducing delivery risk as systems grow - improving clarity in complex domains - building shared understanding between engineering, product, and business - creating environments where teams can make better decisions, not just write better code Beyond hands-on work, I regularly run architecture workshops, trainings, and modeling sessions. I also write and speak about software architecture — not to promote silver bullets, but to share practical lessons from real systems and real constraints. Topics I keep coming back to include evolutionary architecture, domain modeling, escaping legacy traps, and keeping systems maintainable as organizations scale. I’m naturally curious, skeptical of hype, and focused on outcomes. I believe good software is the result of technical decisions made in the right context, by teams that understand both the system and the business behind it. If you're working on complex systems, scaling teams, or trying to make better engineering decisions under real-world constraints — let’s connect.

Experience

Jit team

Technical Lead

Jul 2025 – Present · 9 mos

Meniga

Team Lead

Apr 2024 – Jun 2025 · 1 yr 2 mos · Hybrid

  • Led an engineering team as a hands-on manager and tech lead, balancing delivery, architecture, and team development
  • Designed and delivered a Data Warehouse with ETL pipeline from scratch within 6 months, supporting high-throughput workloads
  • Initiated and ran an internal workshop program (DDD, Event Storming, Domain Storytelling), improving domain understanding and collaboration across teams
  • Collaborated with the Sales team, supporting technical presentations and helping translate product capabilities into business value
  • Developed an AI-powered finance assistant prototype using LLMs (OpenAI, Claude, Semantic Kernel), exploring new product opportunities
  • Contributed to shaping the company’s AI strategy, including the use of AI in products and adoption of AI-assisted development approaches
Project ManagementTeam LeadershipMentoringData EngineeringArtificial Intelligence (AI).NET+2

Valkir academy

Technical Trainer

Oct 2023 – Present · 2 yrs 6 mos

Domain-Driven Design (DDD)

Interact software

Technical Lead

Jul 2023 – Apr 2024 · 9 mos

  • Led and grew an engineering team as a hands-on manager and tech lead, balancing delivery, architecture, and team development
  • Drove the migration strategy from legacy monolith to cloud-native microservices, improving system scalability and flexibility
  • Owned development and maintenance of a SaaS product serving millions of users, ensuring high availability and continuous evolution
  • Worked closely with product and stakeholders to translate business needs into technical solutions and roadmap priorities
  • Mentored engineers and fostered a culture of knowledge sharing and continuous improvement
  • Helped establish and scale the engineering presence in Poland, contributing to team setup and operational practices
Project ManagementAmazon Web Services (AWS)Team Leadership.NET CoreMentoring

Exeno.com

2 roles

Head of Software Engineering

Promoted

Apr 2022 – Jun 2023 · 1 yr 2 mos

  • Built and scaled the engineering team from scratch to 12–15 engineers, shaping team structure, hiring, and onboarding
  • Defined engineering practices and ways of working to improve delivery predictability and reduce long-term system risk
  • Led architecture and system design for complex products, focusing on adaptability, scalability, and cost-awareness
  • Introduced Domain-Driven Design and collaborative modeling, improving communication between engineering and business
  • Partnered with stakeholders to align technical decisions with product and business objectives
Web Applications.NET CoreC#Architektura aplikacjiKubernetesTerraform+13

Technical Lead

Sep 2021 – Apr 2022 · 7 mos

Web Applications.NET CoreC#Architektura aplikacjiKubernetesTerraform+12

Sages

Technical Trainer

Feb 2019 – Present · 7 yrs 2 mos

.NETDomain-Driven Design (DDD)MicroservicesEvent StormingEntity Framework (EF) Core

7n

Consultant Dotnet

Jan 2019 – Aug 2021 · 2 yrs 7 mos · Warsaw

  • Led initiatives to improve collaboration, system design, and infrastructure practices within a large-scale financial environment
  • Introduced Event Storming as a collaborative modeling approach, improving communication between engineering and business and accelerating domain understanding
  • Applied Domain-Driven Design (DDD) to complex systems, increasing maintainability and aligning software more closely with business processes
  • Guided adoption of Infrastructure as Code (Terraform, OpenShift), improving deployment reliability, consistency, and operational efficiency
Web Applications.NET CoreC#Microsoft SQL ServerArchitektura aplikacjiKubernetes+10

Bd90

Chief Blogging Officer

Feb 2017 – Present · 9 yrs 2 mos

Web ApplicationsMySQLLinuxAmazon Web Services (AWS)JavaScriptSQL+1

Polskie radio s.a.

Lead Software Developer

Dec 2016 – Dec 2018 · 2 yrs

  • Led modernization of legacy systems, bridging existing solutions with new technologies to improve maintainability and scalability
  • Introduced Azure-based cloud solutions, supporting the organization’s transition toward more scalable, reliable, and cost-efficient infrastructure
  • Guided technical direction and supported key architectural decisions across projects
  • Mentored developers and conducted internal workshops, fostering knowledge sharing and continuous improvement within the team
Web Applications.NET CoreC#Microsoft SQL ServerArchitektura aplikacjiKubernetes+10

Linecode

Owner / CTO

Jun 2016 – Present · 9 yrs 10 mos

  • Led end-to-end delivery of multiple software and infrastructure initiatives, combining technical leadership with strategic decision-making
  • Designed and implemented system architectures for small and mid-sized projects, focusing on scalability, maintainability, and long-term evolution
  • Built and operated production-grade platforms, including Kubernetes-based infrastructure for high-security environments
  • Helped organizations improve Software Development Lifecycle (SDLC), increasing deployment reliability and reducing operational risk
  • Advised on application and system architecture, guiding teams through design decisions and trade-offs
  • Supported cloud transformation initiatives, enabling companies to improve scalability, cost-efficiency, and delivery speed
  • Applied Domain-Driven Design (DDD) to align software systems with business domains and improve clarity in complex environments
Web Applications.NET CoreMySQLC#Microsoft SQL ServerArchitektura aplikacji+14

Cyfrowy polsat

Software Developer

Aug 2014 – Nov 2016 · 2 yrs 3 mos

Web Applications.NET CoreMySQLC#jQueryMicrosoft SQL Server+14

Samsung electronics

Junior Software Engineer

Jun 2013 – Jul 2014 · 1 yr 1 mo

Web ApplicationsjQueryLinuxJavaScriptGitSQL

Netkata

Web Developer

Nov 2011 – Jun 2013 · 1 yr 7 mos

Web ApplicationsjQueryJavaScriptSQL

Education

Wyższa Szkoła Technologii Informatycznych w Warszawie

Informatyka

Jan 2015 – Jan 2019

Uniwersytet Marii Curie-Skłodowskiej w Lublinie

Informatyka

Jan 2009 – Jan 2011

Stackforce found 100+ more professionals with Web Applications & Amazon Web Services (aws)

Explore similar profiles based on matching skills and experience