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Principal Software Engineer - Mobile

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Tripadvisor

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Location:
Portugal , Lisbon

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

We’re looking for a Principal Software Engineer experienced in mobile development to join our Tripadvisor Experiences team. We are unable to offer B2B contracts at this time. This role is open to candidates based within a commutable distance (generally up to 1.5 hours) of our office hub in Lisbon. We embrace flexibility in where and how work gets done and also value meaningful in-person moments to connect and collaborate. You can expect a remote-first working model with periodic in-person gatherings at your closest office for team connection, planning, or other key moments.

Job Responsibility:

  • Drive the design and architecture of complex, scalable mobile application systems that underpin our customer-facing technology solutions. Capable of designing long-lasting mobile architectures to solve complex problems including performance, reliability, scalability, offline behaviour, consistency, and quality, often across an engineering pillar
  • Conduct design reviews at both the engineering pillar level and across the broader engineering organization, with a strong focus on mobile app architecture, platform evolution, and cross-platform integration
  • Lead generalisable improvements in mobile operational maturity for the platform, promoting best practices across areas such as release management, app stability, observability, performance monitoring, and incident response
  • Work closely with engineering managers, other principal and senior principal engineers to drive technology strategy and roadmap that aligns with the wider organisation or group vision
  • Partner with Product Manager(s) and Engineering Manager(s) to establish clear technical delivery milestones for key mobile initiatives and help drive delivery within the agreed scope, quality, and timelines
  • Build trusted leadership by being regarded as a go-to person across a wide number of mobile technologies, development practices, and tools used within an engineering pillar or group
  • Communicate effectively with technical and non-technical stakeholders to ensure alignment on project goals, technical trade-offs, commitments, and timelines

Requirements:

  • 8+ years of experience in commercial software development, with significant experience delivering large-scale native mobile applications
  • Demonstrated excellence in working with cross-functional teams in fast-paced environments, providing both hands-on technical leadership and effective cross-team collaboration
  • Excellent command of tools and techniques for troubleshooting mobile production issues, including crash analysis, performance diagnostics, and release health
  • Strong experience designing and evolving scalable mobile systems from conception through production operation
  • Deep understanding of mobile software architecture, design principles, and engineering best practices across iOS and Android ecosystems
  • Deep experience with mobile platforms iOS and Android, native languages including Swift, Kotlin, Objective-C, and Java, and modern mobile architectural patterns. Experience with shared code and cross-platform approaches such as Kotlin Multiplatform. Strong architectural understanding of mobile communication patterns such as REST and GraphQL and the broader mobile ecosystem including local data persistence, networking layers, authentication, offline and synchronisation strategies, and push notification systems
What we offer:
  • Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonuses
  • Work your way with flexibility to suit your lifestyle
  • Flexible schedule
  • Donation matching
  • Tuition assistance
  • Lifestyle benefit
  • Travel perks
  • Employee assistance program
  • Health benefits
  • Generous referral scheme

Additional Information:

Job Posted:
May 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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