Summary
Denys Pasishnyi is a senior software engineer based in Barcelona with 13 years of hands-on experience building microservices, APIs, CLI tools, web crawlers and cross-platform apps across e-commerce, FinTech, marketing and trading domains. He favors readable, maintainable and testable code and currently focuses on Go as his primary language, having driven multi-chain support, AML screening, and high-security payment flows in production. Experienced in leading small teams and reporting directly to CTOs and clients, he blends agile delivery with practical DevOps (Docker, Kubernetes, GitHub Actions) and strong automated testing discipline. An active open-source contributor, he has enhanced Symfony documentation around form components and brings a habit of documenting tricky implementation details for other developers. Practical, security-conscious and curious, he routinely pairs backend systems work with tooling and developer ergonomics to streamline delivery.
13 years of coding experience
16 years of employment as a software developer
Graduated on software development Computer Software Engineering, Graduated on software development Computer Software Engineering at IES Carles Vallbona
Deep Learning by Google Machine learning, Deep Learning by Google Machine learning at Udacity
Workshop Team Building Skills, Workshop Team Building Skills at Smallpeice Trust
Course Algorithms, Course Algorithms at Khan Academy
Foundations Business, Foundations Business at Smartly Institute
AWS Certified Developer - Associate, AWS Certified Developer - Associate at Udemy
Course Computer Programming, Course Computer Programming at Udemy Alumni
English, Spanish, Russian, Catalan, Ukrainian