We are looking for an experienced and motivated Senior Front-End Developer (Sr.FED). The Sr.FED is responsible for completing front-end tasks and providing support to web applications. The Sr.FED is able to work independently in basic tasks, assuming ownership for the design and programming required. For more complex work, this individual will rely on existing designs and seek guidance from more senior positions. The Sr.FED should also be able to provide constant progress status to a senior level as needed and estimates for his tasks, that must be approved by his senior or technology lead of the current project.

A Sr.FED works with web applications and a variety of front-end technologies including HTML5, JavaScript and is comfortable with content management systems platforms.

Job Location: Bogotá, Colombia

You will:

• Developing web applications that follow the latest web standards and conforms with leading-edge front-end technologies 
• Works closely with Creative, Business, Technology and QA teams to ensure the solution will meet the requirements and performance targets (mobile, desktop). 
• Owns the development of web applications and ensures they follow the overall technical architecture and design established by the technical lead 
• Implements user and business requirements which are composed of multiple development activities 
• Maintains up-to-date and complete documentation on projects as dictated by the capability’s guidelines and best practices 
• Debugs or troubleshoots complex issues in existing web applications 
• Proactively provide feedback on policies and procedures when an opportunity for improvement exists 
• Proactively provide guidance and support to other members of the in fulfill their tasks and improvement their performance and overall technical skills 

You have:

• Advanced English level (B2+/C1)
• 3-4 years of experience working exclusively with Front-End technologies (HTML/CSS/JavaScript/jQuery).
• In depth knowledge with Cross-browser and Responsive development.
• Work experience configuring, using, and troubleshooting tools such as process automation & scripting (eg. Webpack or Gulp) and pre-processing tools (eg. SASS, LESS).
• Can configure automation tools such as Webpack or Gulp and include common project tasks such as pre-processing, minification, code obfuscation, etc.
• Knowledge of design patterns (e.g., model-view-controller, observer, object-oriented, etc.) and working with several mainstream libraries and frameworks.
• Proficiency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP).
• Capable of designing and choosing a quality assurance process for the project including guidelines for unit tests, load testing, and performance testing.
• Capable of writing code compliant with modern accessibility (eg. ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices.
• Capable of working with new technologies and building proof-of-concept prototypes.
• Capable of troubleshooting, debugging, and doing root cause analysis of web platform issues.
• Plus: Experience in Adobe Experience Manager (AEM).
• Experience working with other disciplines to deliver websites.

Critical Mass is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We do not tolerate discrimination on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. If you are an individual with disabilities who would like to request an accommodation, please reach out to accommodations@criticalmass.com.

We are committed to fostering diversity, equity, and inclusion within our pool of candidates, with a target of achieving at least 50% representation from underrepresented communities.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

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