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DataAnnotation is a company that trains AI systems.

60 Dataannotation Senior Mobile Software Engineer Jobs Hiring in VA

Hyphen Connect Limited

Strong background as a Tech Lead or Senior Engineer with a track record of owning mobile code quality. * Technical Mastery: Expert-level knowledge of TypeScript/JavaScript and a commitment to clean ...

SAIC

Mobile Developer Senior

Ashburn, VA · On-site

... Mobile Developer (Senior) to join our team to continue an exciting and challenging career in ... Use modern software engineering tools including VS Code, Gitlab, and Atlassian Suites for ticketing ...

Capital One

Senior Lead Software Engineer, iOS

Mclean, VA · On-site

$141K/yr

Senior Lead Software Engineer, iOS Do you love building and pioneering in the technology space? Do ... Be an active advocate of the mobile platform through both internal and external developer ...

Capital One

Senior Lead Software Engineer, iOS

Mclean, VA · On-site

$141K/yr

Senior Lead Software Engineer, iOS Do you love building and pioneering in the technology space? Do ... Be an active advocate of the mobile platform through both internal and external developer ...

Capital One

Senior Lead Software Engineer, iOS

Mclean, VA · On-site

$141K/yr

Senior Lead Software Engineer, iOS Do you love building and pioneering in the technology space? Do ... Be an active advocate of the mobile platform through both internal and external developer ...

VTG

Senior Software Engineer

Fredericksburg, VA · On-site

$120K - $190K/yr

Overview VTG is seeking a Senior Software Engineer to work on on projects contributing considerably ... The Engineer shall create custom tools necessary to evaluate mobile apps and IoT devices; evaluate ...

VTG

Senior Software Engineer

Fredericksburg, VA · On-site

$120K - $190K/yr

Overview VTG is seeking a Senior Software Engineer to work on on projects contributing considerably ... The Engineer shall create custom tools necessary to evaluate mobile apps and IoT devices; evaluate ...

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Senior Mobile Developer (React Native)

Hyphen Connect Limited

On-site

Full-time

Re-posted 12 days ago

Job description

About the Company

The company is the world's first licensed hybrid decentralized exchange (DEX), on a mission to make wealth-building as natural as daily life. It is building a compliant, self-custodial platform for premium tokenized strategies-from crypto to alternative investments-on trusted infrastructure. They are seeking a seasoned Mobile Engineering Lead to take full ownership of their React Native architecture. This is a high-impact role designed for a technical visionary who can maintain a high engineering bar while mentoring a talented team of developers to deliver a seamless, high-performance trading experience.

Core Responsibilities

  • Architecture & Development: Architect, develop, and maintain high-performance React Native applications for both iOS and Android platforms.

  • Technical Leadership: Act as the primary technical lead for mobile, driving high-level architecture decisions, establishing coding standards, and implementing industry best practices.

  • Engineering Excellence: Ensure superior code quality, stability, and scalability across the entire mobile codebase.

  • Mentorship & Review: Lead rigorous code reviews and provide technical guidance and mentorship to mobile engineers to support their professional growth.

  • Cross-Functional Collaboration: Partner closely with Product, Backend, Design, and QA teams to execute feature delivery from conception to deployment.

  • Performance Optimization: Proactively identify and resolve bottlenecks, memory leaks, and stability risks to ensure a premium user experience.

  • Workflow Innovation: Define and refine mobile development workflows, including testing strategies and CI/CD release processes.

Key Requirements

  • Professional Experience: 8+ years of professional mobile development experience (iOS, Android, or both).

  • React Native Expertise: 3+ years of hands-on experience deploying and maintaining React Native applications in production environments.

  • Leadership Provenance: Strong background as a Tech Lead or Senior Engineer with a track record of owning mobile code quality.

  • Technical Mastery: Expert-level knowledge of TypeScript/JavaScript and a commitment to clean code principles.

  • Mobile Fundamentals: Deep understanding of mobile architecture, memory management, and performance tuning.

  • Tooling: Proficiency with native tooling, including Xcode, Android Studio, Gradle, and CocoaPods.

  • Integration & Security: Extensive experience integrating REST APIs, managing complex authentication flows, and ensuring secure data handling.

Apply