Lead React Native Developer

OneRail • Polish: B2 • TypeScript • JavaScript • 1 month ago
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Salary
$90k – $103k per year
Location
In office (Kraków)
Seniority
Staff · 8+ years exp
Employment
Full-Time
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OneRail

OneRail is a logistics technology company headquartered in Orlando, Florida, and founded in 2018. The company provides an AI-native delivery orchestration platform, OmniPoint, which optimizes last-mile logistics by connecting enterprise shippers to a network of over 12 million couriers. It serves diverse sectors such as retail, healthcare, and manufacturing across the United States, focusing on real-time visibility, automated exception handling, and route optimization to improve delivery outcomes.
onerail.com • HQ: Orlando, United States • Machine Learning • Artificial Intelligence • Business Process Automation (BPA) • Software • Fleet Management • Supply Chain • Transportation & Logistics • Delivery • 51-200 employees • Est. 2018

Overview

Technical Lead, Mobile Engineering is a hands-on technical leadership role responsible for shaping and scaling OneRail's mobile application ecosystem that powers real-time last mile orchestration, driver workflows, and enterprise delivery visibility. This role exists to ensure our mobile solutions are reliable, performant, and resilient in real-world logistics environments where connectivity may fluctuate and operational precision is critical.

Responsibilities

  • Own and evolve the architecture of OneRail's mobile applications built in React Native with native iOS and Android integrations.

  • Lead the design and implementation of scalable, high-performance mobile solutions supporting real-time logistics workflows.

  • Partner closely with Product and Design teams to translate business requirements into intuitive, reliable mobile experiences for drivers and operational users.

  • Ensure application performance, responsiveness, quality, and stability in production environments.

  • Establish and enforce engineering standards for code quality, testing, observability, security, and CI/CD pipelines.

  • Conduct and contribute to regular code reviews to maintain high engineering standards.

  • Build and maintain reusable software components, shared libraries, and mobile infrastructure that integrate with backend.

  • Analyze, benchmark, and optimize mobile applications for performance, scalability, and efficiency.

  • Balance feature development with technical debt reduction and long-term platform sustainability.

  • Improve developer experience through tooling enhancements, workflow automation, and release process optimization.

  • Mentor and develop mobile engineers, supporting skill growth and career progression.

  • Support hiring, onboarding, and retention of top mobile engineering talent.

Qualifications

  • 8+ years of professional software engineering experience, including significant hands-on mobile development.

  • 2+ years of experience in technical leadership or team lead capacity.

  • Strong experience building and scaling React Native applications in production environments.

  • Solid understanding of native mobile platforms (iOS and Android) and their integration with cross-platform frameworks.

  • Proficiency in React Native, TypeScript

  • Experience designing and consuming RESTful APIs and real-time service integrations.

  • Strong problem-solving skills with the ability to balance business priorities and technical excellence.

  • Excellent communication and collaboration skills (Polish B2+ & English B2+)

    Office location: Kraków, Poland

    Work Style: hybrid (2-3 days from the office / week).

    Salary level: 28 000 - 32 000 PLN/ month

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