JobsStaff Prototyping Engineer, Android
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Staff Prototyping Engineer, Android

Slack

Location

remote, New York, NY, San Francisco, CA

Type

Full-time

Posted

9/29/2026

Compensation

$197,300 - $344,700 per year

Undergraduate with 5+ Years of Experience
H-1B FY202697.2% approval+26% YoY
👑 Elite sponsor

Job description

The Staff Engineer role at Slack focuses on shaping the future of the mobile product by leading the development of innovative experiences for millions of users. The Slack Mobile team operates at the intersection of product innovation and large-scale engineering, emphasizing performance, reliability, and user experience. This position requires a self-directed engineer who can navigate ambiguity and drive initiatives from concept to production. The role involves close collaboration with Product, Design, and fellow engineers to create intuitive and performant mobile features.

Requirements

  • 8+ years of professional software engineering experience, particularly in building complex Android applications.
  • Deep expertise in the Kotlin framework and modern Android development.
  • Strong understanding of Android architecture, application lifecycle, concurrency, networking, and performance optimization.
  • Proven track record of leading large, ambiguous, cross-functional technical initiatives.
  • Experience working in fast-paced environments, such as startups or incubators.

Responsibilities

  • Lead the engineering development of mobile experiences used by millions of users.
  • Drive complex, cross-functional initiatives from early exploration through production rollout.
  • Define the mobile user experience for Slack's biggest opportunities through feature prototyping.
  • Collaborate closely with Product and Design to balance user needs and technical constraints.
  • Mentor senior engineers and contribute to the growth of the mobile engineering community.

Benefits

  • Employees at Slack, as part of Salesforce, are often offered comprehensive benefits focused on wellbeing and inclusion, including competitive health-care coverage, time off to rest, recharge and volunteer, and holistic programs that support mental health, family planning and overall work–life balance.

H-1B filing history

Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026

Filing entity: Salesforce Inc

As of Aug 23, 2026

Initial approvals

169

FY2026

Approval rate

97.2%

FY2026

LCA certified

1,585

FY2026

Entry-level share

0.2%

FY2026

Initial approvals YoY

+26%

Trend

LCA certified YoY

-21%

Trend

Initial approvals by fiscal year

Approval rate by fiscal year

Continuing vs initial approvals

LCA certified positions by quarter

LCA certified positions by fiscal year

Based on public USCIS and DOL filings; not a sponsorship guarantee.

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