Product Engineer, Mobile (Senior/Staff/Principal)

Role overview

Monarch Money is hiring a mobile-focused Product Engineer to own the mobile experience end-to-end as the personal finance platform scales. You’ll architect and ship new features for iOS and Android, optimizing performance and directly improving how members manage their finances daily.

Responsibilities

• Partner closely with Product and Design to build and improve core mobile product features (e.g., Budgeting, Goals, Assistant)
• Architect, implement, and iterate on new mobile capabilities
• Establish and improve mobile engineering best practices, including code quality standards and development processes
• Mentor fellow engineers
• Help shape longer-term mobile technical roadmaps
• Maintain strong ownership from spec through production monitoring

Requirements

• 4+ years of mobile development experience
• At least 2 years with React Native and TypeScript
• Working knowledge of native iOS (Swift) or Android (Kotlin)
• Product-centric mindset and pride in building for users
• Excellent written and verbal communication with technical and non-technical teammates

Nice to have

• Experience building fintech or consumer financial products
• Full-stack web engineering experience (React, Python)
• Background in performance optimization and mobile app analytics
• Experience at a high-growth startup (Series A–C)

Process

• Recruiter video call
• Hiring manager video call
• Technical assessment (video call)
• Virtual “onsite” round (2–4 additional rounds)
• Reference checks
• Offer