Mobile App Design by Nicolas MariottiMobile App Design by Nicolas Mariotti
Mobile App DesignNicolas Mariotti
Cover image for Mobile App Design
I design end-to-end mobile app experiences that balance clarity, usability, and visual quality. From early product definition to polished, production-ready interfaces, my work focuses on creating mobile products that feel intuitive, coherent, and scalable over time. Each project is approached with a strong product mindset, aligning user needs, business goals, and technical constraints.

What's included

Product & UX Foundations
At the foundation of every project, I work closely with stakeholders to understand the product vision, user needs, and core use cases. This phase results in clearly defined user flows, interaction logic, and information architecture, ensuring that the app structure is intuitive and that key journeys are thoughtfully designed before moving into visual execution.
High-Fidelity Mobile UI Design
I design high-fidelity mobile interfaces for iOS and Android that translate product strategy into clean, expressive, and usable screens. Particular attention is given to layout, hierarchy, spacing, typography, and color to create interfaces that feel modern, consistent, and easy to navigate. The final designs are optimized for real-world usage and platform conventions.
Design System and Component Foundations
To support consistency and scalability, I create reusable components and UI foundations that can evolve with the product. This includes defining core visual rules, component behaviors, and interaction patterns, enabling teams to maintain quality and coherence as the app grows or new features are introduced.
Prototyping and Interaction Design
Interactive prototypes are created to simulate real user flows and validate interactions. These prototypes help teams review navigation, transitions, and overall experience before development, reducing uncertainty and aligning stakeholders around a shared vision of the product.
Developer-Ready Handoff
Final deliverables are prepared with engineering teams in mind. Design files are structured, documented, and annotated to ensure smooth implementation. Components, states, and behaviors are clearly defined, allowing developers to translate designs into production efficiently and accurately.
Optional Extensions
Depending on the project needs, I can also support onboarding flows, feature exploration, App Store visuals, or ongoing product design collaboration. This flexibility allows teams to adapt the scope as the product evolves and new opportunities emerge.
FAQs
I design consumer and professional mobile apps across a wide range of use cases, including lifestyle, productivity, SaaS, and content-driven products. Projects can range from early MVPs to mature products looking to refine or scale their experience.
Yes. I design for both iOS and Android, taking platform guidelines and conventions into account while maintaining a consistent product identity across platforms when needed.
Both. I regularly work on existing products, improving flows, redesigning features, or evolving design systems. I also design products from scratch, starting with structure and UX before moving into high-fidelity UI.
Absolutely. All final designs are delivered in a developer-ready format, with organized files, clear component structures, and documented behaviors to support smooth implementation.
Yes. I’m used to collaborating closely with product managers, engineers, and stakeholders. I adapt my process to fit existing workflows and communication styles, ensuring alignment throughout the project.
Yes. I can create a mobile design system from scratch or extend an existing one, ensuring consistency, scalability, and long-term maintainability as the product evolves.
Timelines depend on scope and complexity. A focused feature or flow may take one to two weeks, while a full mobile app design can span several weeks. A clear timeline is defined at the start of each project.
You can get started by sharing a brief overview of your product, goals, and constraints. From there, we’ll define the scope, timeline, and next steps together.
Contact for pricing
Tags
Adobe After Effects
Adobe XD
Figma
Jitter
Mobile Designer
Product Designer
UX Designer
Service provided by
Nicolas Mariotti Minato City, Japan
Mobile App DesignNicolas Mariotti
Contact for pricing
Tags
Adobe After Effects
Adobe XD
Figma
Jitter
Mobile Designer
Product Designer
UX Designer
Cover image for Mobile App Design
I design end-to-end mobile app experiences that balance clarity, usability, and visual quality. From early product definition to polished, production-ready interfaces, my work focuses on creating mobile products that feel intuitive, coherent, and scalable over time. Each project is approached with a strong product mindset, aligning user needs, business goals, and technical constraints.

What's included

Product & UX Foundations
At the foundation of every project, I work closely with stakeholders to understand the product vision, user needs, and core use cases. This phase results in clearly defined user flows, interaction logic, and information architecture, ensuring that the app structure is intuitive and that key journeys are thoughtfully designed before moving into visual execution.
High-Fidelity Mobile UI Design
I design high-fidelity mobile interfaces for iOS and Android that translate product strategy into clean, expressive, and usable screens. Particular attention is given to layout, hierarchy, spacing, typography, and color to create interfaces that feel modern, consistent, and easy to navigate. The final designs are optimized for real-world usage and platform conventions.
Design System and Component Foundations
To support consistency and scalability, I create reusable components and UI foundations that can evolve with the product. This includes defining core visual rules, component behaviors, and interaction patterns, enabling teams to maintain quality and coherence as the app grows or new features are introduced.
Prototyping and Interaction Design
Interactive prototypes are created to simulate real user flows and validate interactions. These prototypes help teams review navigation, transitions, and overall experience before development, reducing uncertainty and aligning stakeholders around a shared vision of the product.
Developer-Ready Handoff
Final deliverables are prepared with engineering teams in mind. Design files are structured, documented, and annotated to ensure smooth implementation. Components, states, and behaviors are clearly defined, allowing developers to translate designs into production efficiently and accurately.
Optional Extensions
Depending on the project needs, I can also support onboarding flows, feature exploration, App Store visuals, or ongoing product design collaboration. This flexibility allows teams to adapt the scope as the product evolves and new opportunities emerge.
FAQs
I design consumer and professional mobile apps across a wide range of use cases, including lifestyle, productivity, SaaS, and content-driven products. Projects can range from early MVPs to mature products looking to refine or scale their experience.
Yes. I design for both iOS and Android, taking platform guidelines and conventions into account while maintaining a consistent product identity across platforms when needed.
Both. I regularly work on existing products, improving flows, redesigning features, or evolving design systems. I also design products from scratch, starting with structure and UX before moving into high-fidelity UI.
Absolutely. All final designs are delivered in a developer-ready format, with organized files, clear component structures, and documented behaviors to support smooth implementation.
Yes. I’m used to collaborating closely with product managers, engineers, and stakeholders. I adapt my process to fit existing workflows and communication styles, ensuring alignment throughout the project.
Yes. I can create a mobile design system from scratch or extend an existing one, ensuring consistency, scalability, and long-term maintainability as the product evolves.
Timelines depend on scope and complexity. A focused feature or flow may take one to two weeks, while a full mobile app design can span several weeks. A clear timeline is defined at the start of each project.
You can get started by sharing a brief overview of your product, goals, and constraints. From there, we’ll define the scope, timeline, and next steps together.
Contact for pricing