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Senior Mobile Developer

Senior Mobile Developer for 16x7 support team, San Jose.
Critical Mass
Hybrid
On-Site
United States
Undisclosed salary
Job Description

Critical Mass is seeking a Senior Mobile Developer to join their RUN support team in San Jose. The successful candidate will provide 16x7 mobile application support for global customers. This role demands a proactive professional with expertise in iOS development (Swift), Google Cloud Platform (GCP), and JavaScript.

The Senior Mobile Developer will be part of a rotating shift team, ensuring system uptime, performance, and rapid incident resolution. They will collaborate with engineers and stakeholders to maintain and improve mobile features, contributing to tooling, monitoring, and operational efficiency.

Responsibilities:

  • Troubleshoot, resolve, and document iOS application issues.
  • Participate in incident response and root cause analysis (RCA).
  • Provide technical support and maintenance for customer-facing applications.
  • Monitor and respond to incidents, outages, and system alerts.
  • Collaborate with other engineers to improve existing mobile features.
  • Contribute to improving tooling, monitoring, and operational efficiency.
  • Write and maintain support documentation and knowledge articles.
  • Assist in the automation of monitoring and alerting systems.

Requirements:

  • Proficient in English (written and verbal).
  • 5+ years of professional experience in iOS application development.
  • Expertise in iOS development with Swift and experience with Xcode.
  • Strong proficiency in JavaScript, including debugging and cross-platform troubleshooting.
  • Experience with Google Cloud Platform (GCP) services, deployment, and monitoring tools.
  • Solid understanding of CI/CD pipelines, system monitoring, and log analysis.
  • Proven experience in production support, SRE, or DevOps roles.
  • Strong communication skills and a customer-focused mindset.
  • Ability to work in a rotational or flexible schedule to support 16x7 operations.

What Critical Mass Offers:

  • 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
  • Diversity and Inclusion Board with 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts
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Critical Mass

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