Senior Frontend Developer Specialist

hace 4 semanas


Bogotá, Bogotá D.E., Colombia Critical Mass A tiempo completo

Job Description:

We are seeking a highly skilled Senior Frontend Developer to join our team at Critical Mass.

The successful candidate will be responsible for designing and developing high-quality web applications using the latest front-end technologies, including HTML5, CSS, and JavaScript. They will work closely with our Creative, Business, and Technology teams to ensure that our solutions meet the highest standards of quality, performance, and usability.

Key Responsibilities:

  • Design and develop complex web applications using modern front-end technologies
  • Collaborate with cross-functional teams to define and deliver project requirements
  • Implement user and business requirements through multiple development activities
  • Maintain up-to-date documentation on projects according to company guidelines and best practices
  • Debug and troubleshoot complex issues in existing web applications

Requirements and Qualifications:

To be successful in this role, you will need:

  • At least 3-4 years of experience working with front-end technologies (HTML/CSS/JavaScript)
  • Excellent knowledge of recent development practices (Mobile First, MVC, Object Oriented development)
  • Fluency in at least one major mainstream JavaScript library and/or framework (ReactJS)
  • Work experience with cross-browser and cross-device compatibility
  • Experience integrating web solutions with external web services

Desirable Skills and Experience:

  • Knowledge of design patterns (e.g., model-view-controller, observer, object oriented, etc.)
  • Experience pre-processing CSS styling (SASS, LESS)
  • Fluency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP)
  • Capable of writing code compliant with modern accessibility (eg. ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices
  • Capable of working with version control systems (SVN, GIT, Mercurial)

About Us:

Critical Mass is an equal opportunity employer committed to diversity and inclusion in the workplace. We do not tolerate discrimination based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Salary: $120,000 - $150,000 per year, depending on experience and qualifications.


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