Principal Mobile Developer

Letterboxd; Auckland; On-site; NZD 120,000 - 180,000; Full time

Job summary

Letterboxd is seeking a Senior Mobile Developer to join our Auckland engineering team and help shape the future of our mobile platforms for iOS and Android. This is a hands-on role with opportunities to lead feature development, maintain and enhance code, and mentor others within a growing team.

As part of the mobile engineering group, you’ll collaborate with web and backend engineers, guiding technical decisions and ensuring high-quality delivery.

Qualifications

• 5+ years in a senior software engineering role with a strong mobile component.
• Expertise in Swift and Kotlin; also familiar with Objective-C and Java.
• Attention to UI/UX details and quality.
• Proven ability to adapt to new stacks and codebases.

Responsibilities

• Hands-on development across iOS and Android platforms.
• Lead feature development and mentor team members.
• Collaborate with web/backend engineers to ensure cohesive product delivery.
• Contribute to planning, reviews, and QA processes.

Job description

About Letterboxd

Letterboxd is the world’s leading social network for film lovers—a place where millions of members track, discuss, and discover movies. We are passionate about deepening engagement, fostering connections within our community, and helping members discover films and TV shows in meaningful ways.

Letterboxd is the world’s leading social network for film lovers—a place where millions of members track, discuss, and discover movies. We are passionate about deepening engagement, fostering connections within our community, and helping members discover films and TV shows in meaningful ways. With a rapidly growing global audience, we’re entering an exciting phase of development and mobile is at the heart of it.

About The Role

We are looking for a Senior Mobile Developer to join the Letterboxd engineering team and help shape the future of our mobile platform, including iOS and Android apps. This is a hands‑on role with opportunities to work on and lead new feature development, enhance and maintain existing code, and mentor others within a growing development team.

As part of the mobile engineering team, you’ll work closely with our web and backend engineers and foster a successful, productive, efficient and fun work environment. Your experience will be key in guiding technical decisions, including the use of agentic tools, supporting team members, and contributing to planning and quality assurance processes.

You’ll work from our office in Auckland. While we’re happy to offer flexibility around remote work, we see real value in our engineering team collaborating in person. For that reason, we’d like this role to be office‑based 4-5 days per week. This newly created role reports directly to our CTO and offers the chance to make a real impact on a product loved by millions.

Who You Are

You are an experienced senior mobile developer with a strong background in building native applications for both iOS and Android. You’re passionate about learning, teamwork, and sharing your expertise. You take pride in the software you build and enjoy maintaining and enhancing it. You thrive in a collaborative, fast‑paced environment and value being part of a successful team.

• Proven experience (5+ years) in a senior software engineering role with a significant mobile component; possibly 10+ years in software engineering.
• Expertise in Swift, Kotlin, and ideally in Objective C and Java.
• Attention to detail in UI/UX development.
• Significant experience in adapting to and learning new software stacks and code bases.

Why Join Letterboxd?

• Make a direct impact on how millions of people discover films, TV shows, and each other through a shared love of cinema.
• Help guide and build Letterboxd’s mobile development team.
• Collaborate with passionate teams who care deeply about film and data.
• Enjoy a flexible hybrid work environment in Auckland.
• Competitive salary