Job Description

Department: Technical Operations
Reports to: Director of Engineering & Operations, Poland
Location: Kraków, hybrid (2-3 days in office)

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+)

Work Location

Hybrid, Kraków, Poland

Office location: Kraków, Poland
Work Style: hybrid (2-3 days from the office / week).
Salary level: 28 000 – 32 000 PLN/ month

About OneRail

OneRail is a leading omnichannel fulfillment solution pairing best-in-class software with logistics as a service to provide dependability and speed to help businesses meet their delivery promise. With a real-time connected network of 12 million drivers, OneRail matches the right vehicle for the right delivery so brands lower expenses and increase capacity to rapidly scale their businesses. This people-plus-platform approach features a 24/7 USA-based exceptions team who maintain a 98% on-time delivery rate. By optimizing fulfillment processes, reducing costs and improving order accuracy with store-shelf-to-doorstep visibility, OneRail is committed to empowering clients and improving the customer experience.

OneRail was named to the Deloitte Technology Fast 500™ two years in a row, was ranked 19th in the 2025 FreightTech 25, named for the fifth year in a row to the FreightTech 100, was honored as one of Inc. magazine’s Best Workplaces 2023, was listed on Forbes’ lists of America’s Best Startup Employers for the last three years, was named to the Inc. 5000 two years in a row and was selected as the Last Mile Company of the Year for the 2024 SupplyTech Breakthrough Awards. To learn more about OneRail, visit OneRail.com.