Senior Developer

As a key member of our development team, you will independently design and implement solutions for JIRA tickets, rigorously test your work across environments, and actively contribute to stand‑ups and day‑to‑day delivery. You’ll support troubleshooting efforts, review and approve pull requests, and drive code quality through enhancement and refactoring ideas shared with our Tech Leads. You will also lead smaller projects with support from technical leadership and contribute to interviewing, onboarding, and mentoring to help grow the wider team. If you’re ready to lead front‑end development on our existing projects, elevate code quality, and help grow the team’s skills, we’d love to hear from you.

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.

You Will :

• Own front‑end architecture and implementation decisions, ensuring code is scalable, maintainable, and consistent across projects.
• Collaborate closely with designers, back‑end developers, project managers, and other stakeholders to shape requirements and deliver high‑quality features.
• Conduct thorough code reviews, providing constructive feedback and helping to maintain coding standards and best practices.
• Mentor and support intermediate and junior developers, guiding them on technical approaches, patterns, and problem‑solving.
• Proactively identify and resolve performance issues, improving load times, responsiveness, and overall usability.
• Debug and troubleshoot complex front‑end issues.
• Promote and maintain clean, well‑documented code, and ensure project documentation is complete and up to date in line with platform guidelines.
• Stay current with front‑end technologies and best practices - and help evaluate and introduce new tools / approaches where they add value.

You Have :

You May Have :

What We Offer :

Critical Mass is an equal opportunity employer.

As set forth in Critical Mass’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

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