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Johan Ossa Serna

Fullstack Developer
Skills
(Self-evaluation)
Languages
English:
  • Speaking
    40%
  • Reading
    50%
  • Writing
    40%
Spanish:
  • Writing
    100%
  • Reading
    100%
  • Speaking
    100%
Professional profile

Work experience

Full Stack Developer
freelance | January 2019 - Present (7 years 10 months)
Used skills
Backend Developer
nesstion | November 2024 - July 2025 (8 months)
Used skills
Education experience
Academic Bachelor
Colegio tulio enrique tascón – buga | High School
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