Senior Prototyping Engineer - Android & Mobile Innovation

Slack; California City (CA); On-site; USD 197,000 - 314,000; Full time

Job summary

Slack's Mobile team seeks a Staff Engineer to shape the future of Slack's mobile product. As a Prototyping Engineer, you will embed as a leader on greenfield, zero-to-one initiatives and ship first versions of newly imagined features across product and design.

You will mentor engineers, drive cross-functional initiatives, and set best practices for mobile development while collaborating with Product, Design, Backend, and other mobile engineers to deliver scalable experiences for millions of

Qualifications

• 8+ years of professional software engineering experience with Android at scale.
• Strong Kotlin framework expertise and modern Android development.
• Experience leading cross-functional, ambiguous initiatives.

Responsibilities

• Shape the future of Slack on mobile by leading the engineering development of experiences used by millions of users every day, spanning multiple teams and the broader organization.
• Lead the most complex, ambiguous, cross-functional initiatives from early technical exploration through production rollout and long-term evolution.
• Lead feature prototyping to define the mobile user experience for Slack's biggest opportunities.
• Partner closely with Product and Design to shape experiences that balance user needs, technical constraints, and long-term maintainability.
• Influence engineering decisions beyond your immediate team through technical leadership, product reviews, and mentorship.
• Set and evangelize best practices for mobile feature development and operational excellence across the broader engineering organization.
• Mentor senior engineers and contribute to the growth of the broader mobile engineering community within Slack.
• A related technical degree required.

Skills

Kotlin

Android

Jetpack Compose

Coroutines

Architecture

Education

Related technical degree

Job description

Slack's Mobile team seeks a Staff Engineer to shape the future of Slack's mobile product. As a Prototyping Engineer, you will embed as a leader on greenfield, zero-to-one initiatives and ship first versions of newly imagined features across product and design.

You will mentor engineers, drive cross-functional initiatives, and set best practices for mobile development while collaborating with Product, Design, Backend, and other mobile engineers to deliver scalable experiences for millions of