Toptal: Lead Mobile Developer/ Tech Lead

Job Description

Our client is a global media and tech company that connects people to their passions. We reach nearly 900M people around the world, bringing them closer to what they love—from finance and sports to shopping, gaming and news—with the trusted products, content, and tech that fuel their day.

About the Role:

We’re seeking a seasoned Lead Mobile Developer/ Tech Lead with experience to guide mobile development efforts across both Android and iOS platforms. This role combines strong technical expertise with leadership skills to deliver high-quality, performant mobile applications and coordinate effectively with cross-functional teams.

Responsibilities:

• Lead mobile development initiatives for Android and iOS platforms.
• Collaborate with other teams to define features, plan implementations, and ensure project alignment.
• Architect and oversee bespoke feature implementations, ensuring maintainability and scalability.
• Ensure structured communication across engineering and product teams.
• Guide the team in technical decision-making and problem-solving.
• Oversee feature delivery, from planning to release, ensuring high performance and code quality.

• 8–10 years of professional mobile development experience in Android and iOS
• Strong Kotlin and Android development background, including Jetpack Compose
• Proficiency in iOS development (Swift)
• Familiarity with state management patterns (Flux or similar).
• Experience in performance optimization for mobile applications.
• Strong background in mobile app performance optimization.
• Excellent problem-solving and communication skills.

Nice to have:

• Experience with cross-platform architectural decision-making.
• Prior leadership in a multi-platform mobile team.

Engagement Highlights:

– Long term (12+ months ) and full-time opportunity

– Commitment: We prefer full-time (40 hr/week) but open to considering part-time who can ramp up to full-time in 3-4weeks.

– Overlap: 5+ hours with PST