Principal Member of Technical Staff (Mobile)

Intelliswift Software Inc.
San Francisco, CAContractPosted Aug 26, 2026

About the role

Job Title: Principal Member of Technical Staff (Mobile)

Location: San Francisco, CA (Remote)

Duration: 05 Months with Possible Extension or Conversion.

Intelliswift Software Inc. conceptualizes, builds, and supports the world's most amazing technology products and solutions. Our team of rich experts from diverse backgrounds contributes to making Intelliswift one of the most reliable partners in IT and Talent solutions. We specialize in delivering world-class Digital Product Engineering, Data Management and Analytics, and Staffing Solutions services to Fortune companies, SMBs, ISVs, and fast-growing startups.

Job Description:

We are seeking a highly hands-on Mobile Software Engineer to help build the next generation of AI-powered experiences within Slack. This role is ideal for engineers who enjoy coding, solving challenging mobile engineering problems, and building scalable consumer-facing products. You will work directly with AI researchers and product teams to integrate pre-built AI models into Slack's mobile applications, enabling real-time interactions, streaming responses, and voice-enabled experiences for users worldwide.

Responsibilities

Integrate AI models and services into Slack mobile applications.

Develop and maintain high-quality Android and/or iOS applications.

Build real-time communication pathways between mobile applications and backend AI services.

Implement streaming experiences for AI-generated responses and user interactions.

Stream audio and user inputs to AI systems in real time.

Design and build scalable, reliable, and performant mobile features.

Collaborate closely with Product Managers, Designers, AI Researchers, and Engineering teams.

Deliver polished, production-quality consumer experiences.

Required Qualifications

5+ years of professional mobile development experience.

Strong experience building and shipping production mobile applications.

Expertise in Android development using Kotlin (preferred) and/or Java.

Experience with iOS development using Swift is a plus.

Strong understanding of mobile application architecture and best practices.

Experience with WebSockets, real-time messaging, streaming technologies, or persistent client-server connections.

Experience building mobile applications that interact with backend services in real time.

Proven ability to work in a fast-paced product environment.

Strong coding, debugging, and problem-solving skills.

Equal Employment Opportunity Statement

Intelliswift celebrates a diverse and inclusive workforce. We offer equal employment opportunities to all applicants and employees. All qualified applicants will be considered regardless of race, color, sex, gender identity, gender expressions, religion, age, national origin or ancestry, citizenship, physical or mental disability, medical condition, family care status, marital status, domestic partner status, sexual orientation, genetic information, military or veteran status, or any other protected basis under the law.

Americans with Disabilities Act (ADA)

If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please contact Intelliswift Human Resources Department

Other Employment Statements

Intelliswift participates in the E-Verify program.

Learn More

For information on Intelliswift Software, Inc., visit our website at www.intelliswift.com.

Responsibilities

  • Integrate AI models and services into Slack mobile applications
  • Develop and maintain high-quality Android and/or iOS applications
  • Build real-time communication pathways between mobile applications and backend AI services
  • Implement streaming experiences for AI-generated responses and user interactions
  • Stream audio and user inputs to AI systems in real time
  • Design and build scalable, reliable, and performant mobile features
  • Collaborate closely with Product Managers, Designers, AI Researchers, and Engineering teams
  • Deliver polished, production-quality consumer experiences

Qualifications

  • 5+ years of professional mobile development experience
  • Strong experience building and shipping production mobile applications
  • Expertise in Android development using Kotlin (preferred) and/or Java
  • Experience with iOS development using Swift is a plus
  • Strong understanding of mobile application architecture and best practices
  • Experience with WebSockets, real-time messaging, streaming technologies, or persistent client-server connections
  • Experience building mobile applications that interact with backend services in real time
  • Proven ability to work in a fast-paced product environment

Skills mentioned

Mobile DevelopmentAndroid DevelopmentKotlinJavaiOS DevelopmentSwiftWebSocketsAPI IntegrationDebuggingPerformance Optimization

About Intelliswift Software Inc.

Intelliswift, an LTTS company, is a global leader in Digital Product Engineering, Data & AI, and Digital Enterprise Solutions. We empower businesses to leverage cutting-edge technologies and pioneering strategies throughout their digital transformation journey. Our expertise in data-rich modern platforms and people-centric solutions ensures that companies can navigate and thrive in the digital era. We address critical pain points across a diverse range of industries, including Platform & Technology, Fintech, MedTech, Energy & Utilities, Manufacturing, and Retail. Whether it's optimizing operational efficiency, enhancing customer experiences, or enabling digital transformation, we are committed to providing tailored solutions that meet the unique needs of each industry we serve. Guided by our core values of Transparency, Respect, Integrity, and Passion, we drive innovation and excellence at every step. As a certified Minority Business Enterprise (MBE), we are deeply committed to diversity, equity, and inclusion (DEI). This commitment is reflected in all our transactions and underscores our dedication to fostering an inclusive environment. Trusted by Fortune 500 companies, SMBs, ISVs, and fast-growing startups, Intelliswift is the partner of choice for organizations seeking to revolutionize and excel in the digital landscape. Learn more at www.intelliswift.com

IT Services and IT Consulting1,001-5,000 employeesSanta Clara, California