Principal Software Engineer

TL;DR

Principal Software Engineer: Identifying, scoping, and shipping changes that move business metrics across mobile, web, services, and data layers with an accent on architecting long-lasting systems and driving operational maturity. Focus on leading technical design reviews, partnering with product managers and designers, and setting the technical bar for the organization.

Location: This role is open to candidates based within a commutable distance (generally up to 1.5 hours) of Lisbon, however we also offer flexible hybrid working.

Company

The hirify.global Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences.

What you will do

• Identify, scope, and ship changes that move business metrics across mobile, web, services, and data layers.
• Architect long-lasting systems that hold up under real production conditions, including performance, reliability, scalability, offline behavior, and consistency.
• Lead technical design reviews across teams, weighing trade-offs in code, product impact, time-to-ship, and operational cost.
• Drive operational maturity in release management, observability, incident response, and performance monitoring, including in the mobile apps.
• Partner with product managers, designers, and engineering leaders to shape what we build and why.
• Set the technical bar for the organization by example, writing prototypes, proving patterns, and teaching them.

Requirements

• 10+ years of software experience with significant time spent hands-on in code and a track record of shipping product-impacting work end-to-end.
• Real depth in the mobile app ecosystem (iOS and/or Android, with strong fluency in Swift and/or Kotlin and the surrounding ecosystem - offline sync, push, auth, persistence, networking, REST/GraphQL) and credible breadth beyond it.
• Demonstrated breadth: experience in at least one of {web frontend, backend services, data/infra, platform tooling} alongside mobile.
• Strong product judgment: ability to make calls about what not to build and defend them with evidence.
• Comfort troubleshooting in production across stacks, including crash analysis, latency tracing, and release-health debugging.
• Excellent cross-functional collaboration skills.

Nice to have

• Background in marketplaces, bookings, or other transactional consumer products.
• Time spent close to data, including experimentation, analytics instrumentation, or ML-adjacent work.

Culture & Benefits

• “Work your way” with flexibility to suit your lifestyle.
• Flexible schedule with work-life balance.
• Donation matching for qualifying charitable donations annually.
• Annual tuition assistance for qualified programs.
• Annual lifestyle benefit to spend on yourself.
• Travel perks, including discounts.