CEO & CTO consulting services with Cyprian Kowalczyk
Looking for IT consulting services in topics of AI, custom solutions, SaaS and software development?
- Dedicated CTO for your company needs.
- Consulting services in the software development, IT and AI fields.
- Cost reduction, ROI growth, development workflow optimization.

$0 → $5M ARR
23+ yrs of experience
Cyprian Kowalczyk
CEO, CTO @ iRonin.IT
Valuable insights and actionable plans
23+ yrs of experience on the market
More than 23 years of hands-on experience under the belt in planning, implementing and leading real-life IT projects. Whether the project is a new SaaS app, internal web application for a big company, or a mobile app addressing a niche - Cyprian done it all.
$0 → $5M ARR: business-oriented decisions based on experience
Using vast technical know-how, real-life experience, with a business mindset, Cyprian can address needs and challenges of a company or particular project by proposing the best solutions. All proved by building iRonin from grounds up to reach $5M ARR.
Experience in many industries
Cyprian has worked in and with companies from various industries - fintech, real estate, consumer goods, electronics, etc. This rich experience allows him to work easily with teams of different sizes, and within different domains.
Unparalleled dev expertise, including Rails
Having experience with many technologies, Cyprian is also one of the early adopters of Ruby on Rails technology in commercial projects. He knows in-and-outs of Rails ecosystem, mechanisms within, and practical best practices.
Ability to lead even expert-level teams
Cyprian's ability to bridge technical depth with strategic foresight allows him to mentor teams in adopting cutting-edge technologies, optimizing workflows, and achieving unparalleled project success. Cyprian possesses an exceptional ability to lead and inspire expert-level development teams
Analytical thinking with ability to execute
Cyprian’s razor-sharp analytical thinking and his unmatched ability to translate complex problems into practical, actionable solutions. What sets Cyprian apart is his unwavering commitment to execution - he doesn’t just plan; he delivers.








Cooperation models
Choose the cooperation model that best fits your needs.

As an acting CTO
If you are looking for a CTO, but want an experienced person as a part of your core team, Cyprian Kowalczyk will help you make your ideas a reality and help you with day-to-day CTO responsibilities.

CTO as a Service - continuous collaboration
Looking for a reliable partner who can help you fulfill duties of CTO on a basis of continuous collaboration? You get to reach out whenever you need help with taking next steps, or evaluating potential for improvements and savings.

On-demand consulting
Trying to solve a particular tech challenge, but in need in broad expertise? Cyprian can answer your questions, find the right solutions, propose a development plan - let us know your challenges, and we can start working on that.

Audits and planning
Cyprian’s expertise is a key to effectively assessing system architectures, code quality, and development workflows. He identifies inefficiencies, ensures best practices, and creates strategies to overcome project challenges.

Staff augmentation
Cyprian has provided staff augmentation services for businesses world-wide, building teams and finding the best talents to join client’s internal teams. Whether you need a team built from grounds-up, or a specialized expert - Cyprian can find the best developer or expert to join your team.

Project outsourcing
Looking for a CTO coming with the team of developers working as a part of a well-oiled machine? Cyprian can carry out end-to-end project outsourcing, managing every stage, from initial concept to the final delivery. From architecture, development and testing, to overseeing lifecycle, maintenance and progressive development for new features to come.
Comprehensive CTO and consulting services in AI services and software development
AI features in web and mobile apps
Experienced in delivering AI features by picking the best solutions and integrating them into your projects using third-party services, such as Amazon AI & Cognitive Services and Google Cloud Platform.
AI models and methods consulting
Cyprian can help you build custom solutions and models using methods of machine learning, deep learning, LLM, NLP, and neural networks (including RNN, CNN, and GNN).
Full-stack web app development
Cyprian has 23 years of experience developing web applications, both backend and frontend development and have extensive experience in managing and designing cloud solutions and architectures.
Mobile app development
Track of successful delivery on a number of bespoke mobile apps, working directly and managing mobile app development, for both iOS and Android, including native and hybrid development technologies.
Cost optimization
Excelling at identifying inefficiencies in development workflows, infrastructure, and team allocation, enabling significant reductions in operational costs without compromising performance or timelines.
ROI growth
By implementing scalable architectures, adopting innovative technologies, and fostering cross-functional collaboration, Cyprian ensures that every development effort contributes to measurable business outcomes.
Custom solutions for business
Successfully managed and implemented projects involving creation and integrations with APIs, CRMs, ERPs, and payment gateways, streamlining workflows and enhancing operational efficiency.
DevOps and SRE
CI/CD pipelines, scalable infrastructure with Docker and Kubernetes, and proactive monitoring. Cyprian’s focus on automation, reliability, and SRE principles ensures high-performance systems and seamless collaboration.
Selected technologies, broad experience
Cyprian Kowalczyk has worked throughout the years with many state-of-the-art and cutting edge technologies, as well as experimental ones. Some of the technologies Cyprian has mastered and worked with are:
Ruby
Rails
Python
JavaScript
TypeScript
Amazon Web Services
Java
JRuby
MySQL
Neo4J
MongoDB
Redis
Solr
Objective-C
Kotlin
React Native
React
Vue.JS
Stimulus
Hotwire Turbo
Tailwind
Apache Lucene
Stripe
ChatGPT API