Freelancer profile translated to English.
Back to original languageAbout Denys
Backend developer with experience in system integrations, REST APIs, and automation. Currently working on a main technical project, I offer availability for parallel projects with reasonable timelines.
🎯 Ideal for:
- Projects that do not require urgent deliveries (deadlines of 1-3 weeks)
- API Integrations (Stripe, CRMs, external systems)
- WordPress Development (plugins, customizations)
- Automations with Python/Node.js
- Maintenance and improvements of existing code
💼 Recent Experience:
- REST API to integrate CRM with access system
- Stripe integration with SEPA direct debits
- Custom WordPress plugin development
- AWS infrastructure configuration and optimization
🛠️ Technical Stack:
PHP | Python | Node.js | JavaScript | MySQL | PostgreSQL | Vue.js | REST APIs | WordPress | Docker | AWS | Linux
📍 Remote from Barcelona
🌍 Spanish, Catalan, English, Russian, Ukrainian
💡 I offer a competitive rate in exchange for flexibility in deadlines. Perfect if you are looking for quality without extreme haste.
Spanish
Native or bilingual
Catalan
Native or bilingual
English
Fluent
Russian
Native or bilingual
Ukrainian
Fluent
Remote only
Primarily works remotely
Experience
- Lo&Co Sport CenterSysadmin & Technical IntegratorJanuary 2025 - Today (1 year and 7 months)Vilanova i la Geltrú, CT, Spain• Development of REST API for CRM-access system integration (Enzocard)• Configuration and implementation of CRM (Resamania) coordinating with technical support - Integration of Stripe payment gateway with SEPA direct debits• Technical supervision of systems, internal networks, and equipment• Coordination with local and remote teams (Ukraine)
- Human Call To ActionBackend DeveloperApril 2023 - November 2024 (1 year and 7 months)Catalonia, Spain• Developed custom WordPress plugins using PHP, JavaScript, and AJAX• Implemented dynamic frontend components with Vue.js• Optimized website performance, reducing loading times by up to 40%• Managed infrastructure on AWS and SiteGround• Collaborated on the development of RESTful APIs with Node.js• Worked with Git in collaborative environments
- Human Call To ActionFull Stack DeveloperNovember 2022 - April 2023 (5 months)Barcelona, SpainResponsible for implementing user interfaces on WordPress platforms, ensuring effective integration of HTML, CSS, and JavaScript to enhance the visual and functional experience of the site. Worked closely with the design team to implement and optimize user experiences that increased retention and engagement.
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Education
- Higher Vocational Training CycleProvençana2023Desarrollo de Aplicacione Web Especialidad Bioinformática
- Higher Vocational Training Cycle, Web Application Development Specializing in BioinformaticsEPITECH - European Institute of Technology2020Ciclo Formativo de Grado Superior, Desarrollo de Aplicacione Web Especialidad Bioinformática