Principal Software Engineer (Mobile)

TL;DR

Principal Software Engineer (Mobile): Architecting and driving the development of large-scale, cross-platform mobile systems for a global travel marketplace with an accent on app performance, reliability, and architectural evolution. Focus on leading technical strategy across mobile engineering pillars, optimizing delivery cycles, and mentoring teams in high-quality native and cross-platform development.

Location: Must be based in or able to commute to Krakow, Poland (Hybrid: required in-office at least once per 2 weeks).

Company

hirify.global is a global travel guidance platform providing a marketplace for experiences, accommodations, and dining.

What you will do

• Drive design and architecture for complex, customer-facing mobile systems.
• Lead mobile platform evolution, including performance monitoring, stability, and release management.
• Partner with product and engineering managers to define technical strategy and roadmaps.
• Conduct cross-pillar design reviews to ensure architectural consistency.
• Collaborate with engineering leadership to drive delivery milestones and technical trade-offs.

Requirements

• 8+ years of commercial software development experience with large-scale native mobile applications.
• Deep architectural knowledge of iOS and Android ecosystems.
• Proficiency in Swift, Kotlin, Objective-C, and Java.
• Experience with cross-platform strategies such as Kotlin Multiplatform.
• Strong understanding of mobile networking patterns (REST, GraphQL) and local data synchronization.
• Excellent troubleshooting skills for production performance and stability diagnostics.

Nice to have

• Proven track record of technical leadership in fast-paced engineering environments.
• Experience driving mobile operational maturity across large organizations.

Culture & Benefits

• Competitive compensation packages with base salary and annual bonuses.
• Flexible work-life balance approach designed for trust and accountability.
• Annual lifestyle benefit for travel or personal wellness.
• Tuition assistance program for professional development.
• Employee assistance program and generous referral scheme.
• Donation matching for charitable contributions.