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Kender Bolivar

Sr Back-End Developer
Skills
(Self-evaluation)
Ruby on rails 90%
JavaScript 87%
SQL 25%
Languages
English:
  • Fala
    80%
  • Leitura
    85%
  • Escrevendo
    80%
Spanish:
  • Escrevendo
    100%
  • Leitura
    100%
  • Fala
    100%
Professional profile

Full-stack developer with 5+ years specializing in Ruby on Rails and JavaScript frameworks. Expert in scalable SaaS, API development, and frontend integration. Strong in testing and microservices

Work experience

Senior Ruby On Rails Developer
startx software consulting | January 2022 - Present (4 years 10 months)
Used skills

Developed SaaS apps for international clients. Led new module development, improved test coverage (RSpec), implemented PostGIS, and mentored team in Ruby best practices.

Major achievement

Led development of data-intensive SaaS modules, implemented RESTful APIs, microservices, and PostGIS for geospatial data. Reduced technical debt by 30% and mentored junior developers.

Senior Ruby On Rails Developer
lone wolf technologies | January 2021 - January 2022 (1 year)
Used skills

Maintained and upgraded microservices, improved performance and security, ensured smooth deployments, and collaborated with an international Agile team.

Major achievement

Upgraded and maintained Ruby on Rails microservices, led migration to newer Rails versions, optimized code, and resolved compatibility issues in a Scrum/Agile environment.

Senior Ruby On Rails Developer
pibox latam | January 2021 - January 2021
Used skills

Spearheaded API integration, developed payment features, optimized database queries, and implemented asynchronous operations.

Major achievement

Led API integration, developed payment processing for 5,000+ daily transactions, optimized queries, and implemented background job processing.

Education experience
3D Animation Associate Degree
Servicio nacional de aprendizaje | Technician
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