I'm Janusz Ladecki, a Senior Full Stack Developer with 12 years of IT experience, delivering across startups and multinational enterprises. I have held roles from Full Stack Developer to DevOps Engineer, Scrum Master, and CTO, always striving to understand the full spectrum of software and product creation. My approach centers on building clean, testable code and empowering teams to raise the bar in web architecture and UI/UX. I thrive where technology meets psychology, designing intuitive, human-friendly solutions with a strong emphasis on UI/UX and end-user empathy. I enjoy bridging technical and behavioral insights to create products that resonate with people while remaining robust and scalable.

Janusz Ladecki

I'm Janusz Ladecki, a Senior Full Stack Developer with 12 years of IT experience, delivering across startups and multinational enterprises. I have held roles from Full Stack Developer to DevOps Engineer, Scrum Master, and CTO, always striving to understand the full spectrum of software and product creation. My approach centers on building clean, testable code and empowering teams to raise the bar in web architecture and UI/UX. I thrive where technology meets psychology, designing intuitive, human-friendly solutions with a strong emphasis on UI/UX and end-user empathy. I enjoy bridging technical and behavioral insights to create products that resonate with people while remaining robust and scalable.

Available to hire

I’m Janusz Ladecki, a Senior Full Stack Developer with 12 years of IT experience, delivering across startups and multinational enterprises. I have held roles from Full Stack Developer to DevOps Engineer, Scrum Master, and CTO, always striving to understand the full spectrum of software and product creation. My approach centers on building clean, testable code and empowering teams to raise the bar in web architecture and UI/UX.

I thrive where technology meets psychology, designing intuitive, human-friendly solutions with a strong emphasis on UI/UX and end-user empathy. I enjoy bridging technical and behavioral insights to create products that resonate with people while remaining robust and scalable.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Polish
Fluent
German
Beginner
Russian
Beginner

Work Experience

Full Stack Developer / CTO at A&M Creative
December 1, 2024 - Present
Designed and implemented an end-to-end, tailor-made CRM solution with a virtual assistant based on an LLM model, automating the analysis of sales and user data. The system enhanced lead conversion rates by 25% while growing average customer lifetime value by 18%.
Co-founder / CTO at useponcho.com
October 1, 2024 - September 22, 2025
Co-founded a startup focused on AI-powered weather modeling. Performed business modeling, secured $500k in funding, and built technical solutions from the ground up, introducing automation and Agile processes.
Full Stack Developer at Bring! Labs AG
October 1, 2023 - September 22, 2025
Designed and implemented customer-specific solutions in close collaboration with users and clients. Managed development and maintenance of all web applications, including UI/UX design. Oversaw team leadership via Agile Scrum, organizing retrospectives and skill enhancement sessions. Identified and secured multiple high-impact vulnerabilities within the infrastructure. Reduced +2 years of technical debt and quadrupled compilation speed through new architectural approaches.
Scrum Master at Rockwell Automation
August 1, 2021 - September 22, 2025
Led two Scrum teams (18 people) in an international SAFe-based project of 135 specialists. Contributed to one of the largest and oldest core projects in a century-old enterprise. Developed tools to streamline workflows for Scrum Masters and Release Train Engineers.
Scrum Master at Play Biznes
July 1, 2020 - September 22, 2025
Introduced Agile methods to enhance corporate culture and drive business value. Resolved organizational obstacles and improved R&D productivity.
Full Stack Developer at Play Biznes
July 1, 2020 - September 22, 2025
Led frontend development with new solutions including Elasticsearch, Docker, and CI/CD pipelines. Increased R&D productivity through DevOps integration.
CTO at District Hospital in Katowice (Okręgowy Szpital Kolejowy w Katowicach)
June 1, 2017 - September 22, 2025
Managed tendering processes and procurement procedures. Enforced ISO protocols and implemented GDPR guidelines. Operated, enhanced, and secured critical IT infrastructure and associated services.
Junior Full Stack Developer at ApiCode
September 1, 2016 - September 22, 2025
Co-developed software solutions and maintained code quality. Collaborated with QA teams to ensure robust testing and deployment.
CTO at Grupa Zakupowa Biznes
January 1, 2015 - September 22, 2025
Built software that increased sales efficiency by 3000%. Oversaw servers, networking, Active Directory, DNS, email, backups, UTM firewall, ISO standards, and security-related procedures. Led sales processes, business development, and negotiation of contracts.

Education

Bachelor of Computer Science at WSB University
January 1, 2014 - January 1, 2018

Qualifications

IT Technician & ICT Specialist
January 1, 2012 - January 1, 2014
Electrotechnical degree
January 1, 2008 - January 1, 2012
Google Project Management: Professional
January 11, 2030 - September 22, 2025
Yale University - The Science of Well-Being
January 11, 2030 - September 22, 2025
Professional Scrum Foundations
January 11, 2030 - September 22, 2025
Professional Scrum Master
January 11, 2030 - September 22, 2025
Harvard - AI with Python
January 11, 2030 - September 22, 2025
CS50's Harvard - CS50's Programming with Python
January 11, 2030 - September 22, 2025
Oracle Certified Java Programmer
January 11, 2030 - September 22, 2025
Architectures for Enterprise Applications
January 11, 2030 - September 22, 2025
Attack and protection of Web applications
January 11, 2030 - September 22, 2025
Google Expert - Advance Angular Forms
January 11, 2030 - September 22, 2025

Industry Experience

Software & Internet, Healthcare, Telecommunications, Education, Professional Services