The Senior Back-End Developer (SBED) is responsible for designing and writing code and providing support to applications. A Senior Back-End Developer can work independently, assuming ownership for the design and programming of simple and complex tasks. The SBED is responsible for dividing complex tasks into smaller tasks, which can then be tackled individually. The SBED should also be able to provide estimates for his tasks and assume ownership for these estimates.

The individual in this position works with web applications and a variety of back-end technologies including Java, .NET, Nodejs and PHP, and is comfortable with content management systems and e-commerce platforms.

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You will:

• Collaborates and communicates efficiently and effectively with other groups such as Creative, Business and Technology throughout all phases of a project lifecycle.
• Works closely with Creative, Business, Technology and QA teams to ensure the technology will be functional and meet performance targets.
• Implements technology solutions that address our clients’ business needs and challenges while leveraging our best practices and state-of-the-art technologies
• Owns the development of sub-systems and ensures they follow the overall technical architecture and design established by the technical lead.
• Understands and maps user and business requirements to an appropriate technical solution.
• Maintains concise and clear documentation on the projects as dictated by each Capability’s guidelines and best practices.
• Debugs or troubleshoots complex issues in existing software applications.
• Proactively provide feedback on policies and procedures when an opportunity for improvement exists.
• Proactively provide coaching and support to other members of the in fulfill their tasks and improvement their performance and overall technical skills.

You have:

• Between 4 and 6 years of software development experience.
• English proficiency (B2+/C1). 
• Proficiency designing and developing web applications using Java. 
• Experience with data storage patterns and practices, namely relational (SQL) and/or non-relational (NoSQL) platforms.
• Experience integrating solutions with external services and APIs from third-party vendors.
• Knowledge of design patterns and software engineering principles.
• Firm understanding of XML and JSON, and their role in software projects
• Work experience with new technologies and building proof of concept prototypes.
• Work experience estimating simple and complex tasks and justifying these estimates.
• Work experience building a web solution based on a Content Management System such as AEM, TeamSite, Sitecore, or similar market solutions. 
• Work experience troubleshooting and debugging web platform issues using debugging proxies or similar tools and do root cause analysis.
• Work experience creating and consuming REST web services.
• Work experience writing unit tests, and scripting load and performance tests.

What We Offer: 

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

At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and 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, and employee experience possible! Our new hires & employees are the future of our organization, and 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.