The Senior Back-End Java Developer (SBEJD) is responsible for designing, writing code and providing support to applications. A 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 for these estimates. 

You will:

• Collaborate and communicate efficiently and effectively with other groups such as Creative, QA teams, and Business and Technology throughout all phases of a project lifecycle.
• Implement technology solutions that address our clients’ 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 (Java 8/11+ preferred).
• Experience with Java frameworks, including Spring Boot, JPA, Hibernate, and OSGi.
• Strong understanding of data storage patterns and practices, including relational (SQL, e.g., PostgreSQL) and non-relational (NoSQL) platforms.
• Experience integrating solutions with external third-party products.
• Working knowledge of design patterns (e.g., Model-View-Controller, Observer) and core software engineering principles.
• Experience with build automation tools, such as Maven or Gradle.
• Firm understanding of XML, JSON, and their roles in software development projects.
• Proven ability to implement requirements composed of multiple development activities.
• Experience in building proof-of-concept prototypes.
• Proficiency in estimating both simple and complex tasks and justifying those estimates.
• Work experience in troubleshooting and debugging issues on web platforms.
• Experience in creating and consuming web services (REST, SOAP, etc.).
• Track record of sharing knowledge with teammates and contributing to team development.
• Experience writing unit tests, integration tests, and using testing frameworks.
• Proficiency with Version Control Systems, such as Git or Subversion.
• Familiarity with project and issue tracking tools, such as Jira or Bugzilla.
• Experience with Git, Jenkins, Python, and Bash for helper tool development, package management (e.g., npm, Maven, pip), debugging, unit testing, and writing agile user stories.
• Additional experience with Java Streams, Java Collections, NodeJS, Groovy, and GraphQL is a plus.
• Knowledge of Atlassian suite of tools, including JIRA, Bitbucket, and Confluence, is a plus.
• AEM development experience, is a plus.

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 form 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.

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