Senior Software Engineer, Mobile
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Job Description
Senior Mobile Engineer building high-quality mobile applications using React Native at Upstart. Collaborating with cross-functional teams to deliver features that delight users and meet business goals.
Responsibilities:
- Build and maintain user-facing features in our React Native mobile apps across iOS and Android.
- Design and implement mobile components and subsystems that are performant, maintainable, and scalable across platforms.
- Collaborate with product and design teams to scope, implement, and launch features that align with user and business needs.
- Work with backend engineers to define mobile-specific APIs and improve client-server integration patterns.
- Identify and resolve performance or reliability issues in the mobile experience.
- Participate in code reviews, architecture discussions, and technical planning to raise engineering quality across the team.
- Support a strong mobile engineering culture through mentorship, collaboration, and a focus on continuous improvement.
Requirements:
- Bachelor’s degree in Computer Science, Engineering, or Mathematics, or a related field (or its equivalent) and 4 years of experience.
- Have experience building in React Native, and familiarity with at least one native platform (e.g., Swift/Objective-C for iOS or Kotlin/Java for Android).
- Understand mobile performance, memory management, and platform-specific constraints.
- Communicate effectively with cross-functional partners in product, design, and backend engineering.
- Take ownership of your work and are comfortable delivering complex features from planning through release.
- Balance speed and quality, and advocate for maintainable, scalable engineering solutions.
- Contribute to team culture and engineering practices through feedback, mentoring, and collaboration.
- Embrace a growth mindset and enjoy learning from others while helping teammates grow.
Benefits:
- Competitive compensation, including base pay, bonus opportunities, and annual equity grants that vest quarterly
- Retirement benefits to help you plan for the future, including a 401(k) or Group Retirement Savings Plan with a company match of $2 for every $1 contributed, up to $15,000 annually (USD in the US, CAD in Canada)
- Employee Stock Purchase Plan (ESPP) with discounted stock purchase options for eligible employees (US only)
- Comprehensive health coverage designed to support you and your family, including medical, dental, vision, and wellness resources for US and supplemental health coverage for Canada.
- Health Savings Account contributions from Upstart for eligible plans (US only)
- Income protection benefits, including life insurance and disability coverage for added financial security
- Paid time off, sick leave, and company holidays, in line with local requirements
- Paid family and parental leave to support caregiving and major life moments (duration varies by country)
- Family-centered benefits to support fertility, parenthood, and caregiving needs
- Employee Assistance Program (EAP) offering mental health support and life-centered resources
- Financial wellness resources, including access to financial planning tools and a financial concierge service (US Only)
- Annual wellness allowance to support your physical and emotional well-being and personal development, based on what matters most to you
- Annual productivity allowance to invest in relevant tools and resources you need to do your best work, no matter where you work from
- Connection and community through team events, all-company updates, and employee resource groups (ERGs)
- Onsite perks, including catered lunches and fully stocked micro-kitchens when working from one of our offices in the Bay Area, Austin, Columbus, and New York City (opening Summer 2026!)
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