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Critical Mass // digital experience design agency
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The Back-End Technology Lead (BETL) is responsible for designing & writing code & providing support to applications. A Back-End Technology Lead acts as a technical leader in projects, ensuring that the team maintains high levels of performance, while assessing possible risks. This position starts the transition into a technical leadership role & moves away from an individual contributor role.

The BETL works writing code, performing code reviews, composing technical documentation, & supporting other departments in their tasks collaborating with other disciplines, as well as performing oversight & career development initiatives for his team. This individual oversees presentations for clients, becoming a subject matter expert in the respective field of expertise.

You will:

  • Helps coordinate the teams technical communication with other groups such as Creative, Business & Technology throughout all phases of a project lifecycle.
  • Works closely with other leaders to ensure the technology used will meet functional & performance targets.
  • Owns the technical architecture & design of systems & oversees development.
  • Understands & maps user & business requirements to an appropriate technical solution.
  • Ensures concise & clear documentation is maintained by all peers for the projects as dictated by each Capabilitys guidelines & best practices.
  • Performs code reviews & enforces coding guidelines & best practices.
  • Presents software releases to clients, including but not limited to reviewing code changes, & presenting solutions & justifications for tasks.
  • Debugs or troubleshoots complex or critical issues that cannot be handled by junior positions.
  • Establishes continuous integration platform for the project.
  • Ensure good practices & usage the revision control system.
  • Creates training programs for technologies within fields of expertise.
  • Responsible to setup regular one-on-one meetings to provide coaching, feedback, career development, & status reporting.
  • Oversee projects progress & timelines.

You have: 

  • 5 years of experience designing & developing web applications using various technologies & languages such as Java, .NET, Nodejs & PHP.
  • Proficiency with data storage patterns & practices, namely relational (SQL) and/or non-relational (NoSQL) platforms.
  • Proficiency integrating solutions with external services & APIs from third-party vendors.
  • Proven track record as a technical team leader.
  • Advanced level in design patterns & software engineering principles.
  • Expertise in XML & JSON, & their role in software projects.
  • Familiarity with cloud-based solutions (e.g. Amazon, Rackspace, Azure, etc.) & deployment guidelines.
  • Familiarity with web performance, such as load balancing & caching (CDN, HTTP caching, memory caching, etc.)
  • Familiarity with the physical & logical architecture of a system across servers, data centers & content delivery networks.
  • Familiarity with various architectural patterns (Service Oriented Architecture, Aspect Oriented Architecture, N-tier, Distributed Architecture, Client-Server) & the reasons for choosing each one.
  • Capable of maintaining & organizing revision control systems, including choosing a branching strategy & providing merge & conflict resolution.
  • Capable of configuring continuous integration servers & defining multiple environments as required for each project.
  • Capable of designing & choosing a quality assurance process for the project including guidelines for unit tests, load testing & performance testing.
  • Familiarity with system security within various platforms including Unix & Windows, SSL certificates, single sign-on, data encryption & role-based authorization.
  • Experiencia en FE (JS, HTML y CSS) 
  • AEM experience (is a plus). 

What We Offer:

  • Maternity & parental leave extra days
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, & flex days
  • Access to online services for families & new parents
  • End-of-year closure days (not deducted from vacation balance)
  • Diversity & Inclusion Board with 12 affinity groups
  • Internal learning & development programs
  • Enterprise-wide employee discounts
  • And more

At Critical Mass, we value our employees & offer competitive compensation & benefits packages. If youre looking for a challenging & rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, & employee experience possible! Our new hires & employees are the future of our organization, & we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

Critical Mass is an equal opportunity employer that is committed to diversity & 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

We are committed to fostering diversity, equity, & 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 and 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 & reach out to them directly.

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