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

Dice is the leading career destination for tech experts at every stage of their careers. Our client, MASH Pro Tech, is seeking the following. Apply via Dice today!Job Title: Senior iOS Engineer / Mobile Product Lead (Consumer Growth & Conversion)Location: NYC or West Coast, USA (Hybrid) – meet in NYC office monthlyType: Full-time / ContractAbout The RoleWe’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 DoCollaborate cross-functionally with marketing, UI/UX, and product teams to translate ideas into high-impact mobile features.Develop and iterate on SwiftUI-based iOS applications, focusing on conversion, engagement, and user experience.Rapidly prototype, test, and deploy features to a limited user base (~5%) to gather data and optimize performance.Analyze consumer KPIs — conversion rates, retention, engagement, and app revenue — and implement experiments to improve them.Partner with marketing on A/B tests, campaigns, and growth initiatives, ensuring product and marketing work hand in hand.Own the mobile product roadmap from concept to deployment, with a bias for action and measurable results.Work in a lean, startup-style environment where speed, creativity, and smart experimentation matter most.What You Bring5–10 years of iOS development experience, with solid SwiftUI expertise.Proven experience building and launching consumer mobile products — ideally in retail, e-commerce, or growth-focused environments.Deep understanding of conversion funnels, shopping carts, search/browse, coupons, and marketing integrations.Strong technical and business acumen — you understand how product decisions drive KPIs and revenue.Comfortable collaborating with marketing and UI/UX teams, and iterating based on user and business feedback.Driven, curious, and ambitious — thrives in a fast-paced, experiment-heavy culture.Why Join UsWork with a visionary VP from top-tier internet and retail companies.Be part of a nimble team that tests bold ideas fast — and backs them with data.Opportunity to shape the mobile consumer experience for millions of users.Competitive compensation and stock options in a growth-focused environment.Flexible West Coast–based hybrid setup (occasional in-person collaboration).