Senior Developer, Java

3 weeks ago

London, Greater London, United Kingdom Critical Mass Full time

About the Role:

Critical Mass is seeking a highly skilled Senior Developer to join our team. As a Senior Developer, you will be responsible for designing, developing, and maintaining the server-side of web applications and APIs using Java/Spring Boot.

Key Responsibilities:

  • Design and develop scalable and efficient backend architectures.
  • Evaluate and select appropriate technologies, frameworks, and tools for backend development.
  • Review code written by other developers and provide constructive feedback.
  • Mentor and guide junior developers on coding standards and best practices.
  • Identify and address performance bottlenecks in the backend code, databases, and infrastructure.
  • Implement security measures to protect data and ensure compliance with industry standards.
  • Develop and execute unit tests, integration tests, and automated test scripts.
  • Design and optimize databases, write efficient complex queries, and ensure data integrity.
  • Create and maintain APIs for frontend clients, mobile apps, and external services.
  • Create and maintain technical documentation for the applications, APIs, and infrastructure.
  • Investigate and resolve issues and bugs reported by users or identified through testing and monitoring.

About You:

  • Technical expertise as a Senior Backend Developer.
  • Experience with Java 8/11,17+, Java Streams, Java Collections, Spring Boot, Hibernate, Groovy, SQL, Artifactory.
  • Experience with Git, Jenkins, and command line tools for helper tools development.
  • Experience with modern CI/CD workflows and Agile development methodologies.
  • Ability to communicate effectively and proactively with team members, stakeholders, and clients.

About Critical Mass:

Critical Mass is a Total Experience agency that thinks beyond the established customer experience. We work with brands to consider the total experience online, offline, and internal engagement and processes.

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.

We prioritize continuous learning, collaboration, and employee engagement. We offer a hybrid work model that balances individual flexibility with the need for team collaboration and customer focus.

Join us in creating products, services, and comms that people love.

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