Mobile Engineer jobs in United States
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Siro · 8 hours ago

Mobile Engineer

Siro is redefining how field sales teams learn, perform, and win. The Mobile Engineer will contribute to the development and improvement of their React Native mobile application, ensuring high performance, reliability, and security standards are met.

Artificial Intelligence (AI)SalesSoftware
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Growth Opportunities

Responsibilities

Contribute to the development, improvement, and long-term architecture of our React Native mobile application across iOS and Android
Own core feature delivery end-to-end in React Native, from technical design to implementation and release
Collaborate closely with product, design, and backend teams to translate requirements into reliable, scalable app experiences
Maintain, refine, and modernize our existing React Native codebase, with an eye toward performance, stability, and long-term maintainability
Uphold code quality through reviews, testing, documentation, and collaboration with fellow engineers
Ensure application performance, reliability, and security standards are consistently met
Contribute to continuous improvement of our engineering practices and mobile development processes
Stay updated with emerging best practices in mobile and React Native development, and introduce improvements where beneficial

Qualification

React NativeMobile engineering best practicesSwiftKotlinGit-based workflowsCI/CD pipelinesProblem-solving skillsCommunication skills

Required

You have deep expertise in React Native (4+ years of experience, with multiple meaningful production deployments)
You have hands-on experience maintaining and scaling existing React Native applications, not just greenfield builds
You are comfortable working in Swift and/or Kotlin when needed to extend or augment React Native functionality (supplementary/native skill, not primary focus)
You have demonstrated experience leading technical initiatives, owning projects, and working with high performing engineering teams
You are well-versed in mobile engineering best practices, including performance optimization, security, testing, and release management
You have experience creating and implementing Git-based workflows and CI/CD pipelines for mobile app releases
You demonstrate strong problem-solving and communication skills, and can clearly articulate tradeoffs and technical decisions

Benefits

Growth: Join a rapidly scaling Series B startup with proven product-market fit
Technology: Work with cutting-edge AI technologies and a modern tech stack
Team: Collaborate with an experienced CEO (previously built a successful sales tool used by 100,000+ reps) and top-tier team
Ownership: Take end-to-end ownership of features that directly impact our users
Learning: Work across the full stack and grow your technical breadth
Impact: Help democratize sales success and create opportunities for millions of sales professionals

Company

Siro

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Siro builds an AI Coach that identifies opportunities to elevate any sales team.

Funding

Current Stage
Growth Stage
Total Funding
$68M
Key Investors
SignalFire
2025-05-21Series B· $50M
2023-10-25Series A· $14M
2023-10-25Seed· $4M

Leadership Team

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Jake Cronin
Founder & CEO
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Company data provided by crunchbase