Senior iOS Engineer / Mobile Product Lead (Consumer Growth & Conversion)

Job Title: Senior iOS Engineer / Mobile Product Lead (Consumer Growth & Conversion)

Location: NYC or East Coast, USA (Hybrid) meet in NYC office monthly
Type: Contract

About the Role

We re looking for a hands-on, fast-moving Senior iOS Engineer who thrives at the intersection of technology, product, and growth. This is a highly visible, impact-driven role that bridges engineering, marketing, and design to create rapid, data-driven mobile experiences that drive user engagement and conversion.

You ll partner closely with marketing, UI/UX, and business teams brainstorming new consumer features early in the week, building and launching prototypes by week s end, and testing them live with a subset of users to gather insights and improve conversion metrics.

We re not looking for a traditional architect or a purist engineer. We re looking for someone technical, entrepreneurial, and execution-focused someone who believes in iterating quickly, learning fast, and building products that move the needle.

What You ll Do

1. Collaborate cross-functionally with marketing, UI/UX, and product teams to translate ideas into high-impact mobile features.
2. Develop and iterate on SwiftUI-based iOS applications, focusing on conversion, engagement, and user experience.
3. Rapidly prototype, test, and deploy features to a limited user base (~5%) to gather data and optimize performance.
4. Analyze consumer KPIs conversion rates, retention, engagement, and app revenue and implement experiments to improve them.
5. Partner with marketing on A/B tests, campaigns, and growth initiatives, ensuring product and marketing work hand in hand.
6. Own the mobile product roadmap from concept to deployment, with a bias for action and measurable results.
7. Work in a lean, startup-style environment where speed, creativity, and smart experimentation matter most.

What You Bring

1. 5 10 years of iOS development experience, with solid SwiftUI expertise.
2. Proven experience building and launching consumer mobile products ideally in retail, e-commerce, or growth-focused environments.
3. Deep understanding of conversion funnels, shopping carts, search/browse, coupons, and marketing integrations.
4. Strong technical and business acumen you understand how product decisions drive KPIs and revenue.
5. Comfortable collaborating with marketing and UI/UX teams, and iterating based on user and business feedback.
6. Driven, curious, and ambitious thrives in a fast-paced, experiment-heavy culture.