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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.…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

Full Stack Developer, DevOps Developer, Architect, +5

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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.…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.

Skills

Experience Level

Expert

Expert

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Expert

Intermediate

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.