The Senior Back-End Java Developer (SBEJD) is responsible for designing and writing code and supporting applications. An SBEJD can work independently in complex tasks, assuming ownership for the solution design and programming required following best practices. Is responsible for dividing complex tasks into smaller tasks, which can be worked individually. The SJD should also be able to provide estimates for his tasks and assume ownership of these estimates. 

You will:

• Collaborate efficiently and effectively with other groups such as Creative, QA teams, and Business and Technology throughout all project lifecycle phases. 
• Implement technology solutions that address our client’s business needs and challenges while leveraging our best practices and state-of-the-art technologies. 
• Own the development tasks and ensure they follow the overall technical architecture and design established by the technical lead. 
• Understand and map user and business requirements to an appropriate technical solution. 
• Maintain concise and clear documentation on the projects as dictated by tech capabilities guidelines and best practices. 
• Debug or troubleshoot 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 in fulfilling their tasks, performance, and overall technical skills. 

You have

• Advanced English Proficiency (B2+ reading, writing, and conversation)
• +5 years of software development experience. 
• Proficiency in designing and developing Java applications with Java 1.8 or higher. 
• Work experience with Java frameworks. 
• Experience with relational (SQL) and/or non-relational (NoSQL) data storage patterns and practices. 
• Experience integrating solutions with external products from third-party vendors. 
• Working knowledge of design patterns (e.g., model-view-controller, observer, etc.) and software engineering principles. 
• Work experience with build automation tools such as Maven or Gradle. 
• Firm understanding of XML and JSON and their role in software projects. 
• Capable of implementing requirements that are composed of multiple development activities. 
• Work experience in building proof of concept prototypes.
• Work experience estimating simple and complex tasks and justifying these estimates.
• Work experience troubleshooting and debugging web platform issues.
• Work experience creating and consuming web services.
• Work experience sharing acquired knowledge with teammates.
• Work experience writing unit tests and integration tests.  
• Work experience with Version Control Systems such as GIT or Subversion.
• Experience with project and issue-tracking software (Jira, Bugzilla). 
• BS in Computer Science or related technical discipline or equivalent experience in Software Development in exact areas of expertise required for CM (Digital Agencies projects, Web development projects, SCRUM/Agile software projects) is a plus. 

What We Offer:

• 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
• 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 significantly impact our employees' lives, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass focuses on providing 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. To do so, we expect our team to work from an office a minimum of 3 -4 days a week.

The ask stems from our want to:

Strengthen opportunity for continuous learningImprove collaboration and team relationships.Increase employee engagement

This work model balances the need for individual flexibility while maintaining the relentless customer focus we provide at CM. We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.

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.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoidIf Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.htmlIf U.K. based: https://www.gov.uk/consumer-protection-rightsIf Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx