D4 Group

Full-Cycle Product Agency | UI/UX Design, WordPress, Shopify & Native Mobile Apps

Overview

Expert Design & Development for E-commerce Leaders and Tech Startups At D4 Group, we don’t just build interfaces; we build high-converting business tools. Whether you are scaling a Shopify brand, dominating Amazon, or launching a native mobile application, our team delivers precision-engineered solutions tailored to your growth. Why Clients Partner with Us: We bridge the gap between world-class UI/UX design and robust technical implementation. Our dual focus on E-commerce optimization and Native Mobile development allows us to support businesses at every stage of their digital journey. Our Core Expertise: 1. E-commerce & Web Development Shopify & Shopify Plus: High-converting landing pages, custom theme development, and complex app integrations. WordPress/WooCommerce: Scalable, SEO-optimized web solutions. Amazon Brand Scaling: High-end Listing Design, A+ Content, and Brand Storefronts that drive sales and improve CTR. 2. Native Mobile Development iOS (Swift) & Android (Kotlin): High-performance native apps with seamless user experiences. Kotlin Multiplatform (KMP): Cost-effective, cross-platform logic with native performance for both platforms. 3. Strategic UI/UX Design Mobile & Web Dashboards (SaaS, Admin Panels). Prototyping, Wireframing, and Design Systems in Figma. User-centric research to reduce cognitive load and increase retention. Our Approach: We work as your dedicated product partners. From the initial discovery phase and PRD analysis to final deployment, we ensure every pixel and every line of code serves your business goals. Ready to elevate your product? Let’s discuss your vision and turn it into a market-leading reality.

Read more

Services

Mobile Development

Native iOS (Swift) & Android (Kotlin): High-performance apps built for speed and seamless UX. Kotlin Multiplatform (KMP): Shared logic with native performance for cost-effective scaling. Architecture & Maintenance: Clean code, MVVM/MVI, and long-term product support.

Ecommerce Development
Graphic, Editorial & Presentation Design
Web & Mobile Design
Web Development

Skills

Amazon Listing Optimization
Android App Development
Graphic Design
iOS Development
Mobile App Development
Shopify
Shopify Templates
User Interface Design
User Experience Design
Web Development
WordPress
Amazon
Ecommerce Storefront Design
Swift
Kotlin
99% Job Success
Top Rated

To discuss your project with D4 Group, sign up.

We'll connect you two when your project is posted.

or

Upwork activity

Hourly rate

$34.99

Minimum project size

None

Total earned

$600K+

Total hours

18,417

Total jobs

182

Member since

Feb 8, 2017

Company information

Agency size

11-50 workers

Year founded

2012

Client focus

Large business

Medium business

Very small business

Small business

Languages

English: Native or Bilingual
Russian: Native or Bilingual
Ukrainian: Native or Bilingual
Polish: Conversational

Awards

Top Rated Plus Agency (Upwork) Recognizing the top 3% of performers on Upwork for consistent high-quality delivery and client satisfaction.
App of the Day: Parental Control Solution Awarded for outstanding UI/UX design and native performance in the utility apps category.
Best E-commerce Store Transformation Recognized for achieving a 30%+ conversion rate increase through custom Shopify development and UI optimization.
Amazon Brand Excellence Award Awarded for exceptional A+ Content design and Brand Storefront optimization for high-growth D2C brands.
Excellence in Native Mobile Development Special recognition for implementing advanced architecture (MVVM/KMP) in high-load mobile applications
Shopify Experts Certification (Community Design) Recognition for excellence in Liquid coding and high-performance custom Shopify theme builds.
Top Strategic Design Agency Awarded for bridging the gap between world-class product design and robust technical implementation.