Custom E-commerce Website Development Services
We help fast-growing e-commerce companies launch scalable, conversion-focused platforms — from MVP to enterprise-grade storefronts. From B2B/B2C platforms to multi-vendor marketplaces, we deliver tailored solutions that drive revenue and keep you competitive.
Professional E-commerce Development Services We Offer
E-Commerce Development Solutions We Offer
B2B and B2C Platforms
Product Catalog Management
Secure Payment Systems
Customer Management
Marketplace Development
Multi-Vendor Support
Advanced Search & Filtering
Vendor Dashboard
Subscription-Based E-commerce
Recurring Billing Systems
User-Friendly Subscription Management
Flexible Payment Options
Loyalty and Rewards Programs
Customizable Loyalty Programs
Points-Based Reward Systems
Customer Engagement Features
Ecommerce Platforms We Work With
Shopify Development Services
Custom storefronts, headless builds, performance and CRO optimization
Magento Ecommerce Development
Custom modules, performance tuning, integrations, and upgrade support
WooCommerce Development
Custom themes, checkout optimization, extensions, and payment integrations
PrestaShop Ecommerce Development
Theme customization, module development, and third-party system integrations
Our Ecommerce Website Development Process
To ensure our frontend development projects are successful, we follow a structured and transparent approach:
01
Analysis and Planning
We clarify business goals, target audience, catalog complexity, compliance (PCI DSS/GDPR), and required integrations (ERP/CRM/PIM). We define the roadmap and KPIs.
02
UX/UI Design
We design conversion-focused journeys for browse, search, cart, and checkout. Mobile-first layouts, accessibility, and SEO-friendly architecture to maximize CR and AOV.
03
Development
We implement custom features, payment/shipping/tax flows, headless or traditional storefronts, and third-party integrations tailored to your stack and scaling needs.
04
Testing
Functional, performance, and security testing across devices/browsers. We validate checkout, payments, inventory sync, and localization for multi-store setups.
05
Deployment and Launch
Production rollout with monitoring, logging, and rollback plans. We validate core funnels post-launch to ensure stable conversions and uptime.
06
Support and Improvement
Ongoing support, CRO/SEO enhancements, A/B tests, feature releases, and performance/security updates to keep your store competitive.
Previous E-commerce Development Projects
E-commerce
Artificial intelligence
TAPPLY
Tapply lets users create custom Telegram web apps with templates for e-commerce and booking systems, offering an admin panel for analytics and marketing management.
E-commerce
Business transformation
IDOLTERRA
IDOLTERRA is an online marketplace for buying and selling Formula 1-related NFTs, offering fans exclusive experiences like backstage passes and meet-and-greet events with Fl stars.
E-commerce
Artificial intelligence
MARKET VERSE
MarketVerse is a multi-vendor marketplace featuring high-quality products from independent brands and creators. It provides a premium shopping experience with secure payments, fast delivery, and excellent customer support.
OUR CLIENTS SUCCESS STORIES
Reviews
6
Rating
5/5
At SagTech, we focus on making our clients' experiences as bright and rewarding as possible. Here's what some of our satisfied customers have to say about working with us:
CEO of Wisy
Yaroslav Gordov
Working with SagTech has been exceptional. They delivered our mobile app and admin dashboard ahead of schedule and exceeded all performance expectations. Their deep understanding of investment platforms and user experience resulted in significantly improved processing speeds.
Head of Product in Wisy
Eugene Prokhorov
Professionals with excellent knowledge of fintech and automated investments. The project was completed with high quality: a user-friendly mobile and web application, and a well-thought-out admin panel. The team quickly addressed all challenges, including payment integration. If you need a reliable IT partner with a deep understanding of technology, I highly recommend them!
CEO of Kwikwins
Sergei Chervyakov
Outstanding team that transformed our backend infrastructure completely. The optimization work resulted in dramatically faster response times and near-perfect uptime in production. Every milestone was delivered ahead of schedule with exceptional attention to detail.
CEO of Yotewo
Alexander Kazhemyakin
Rare to find contractors who genuinely understand modern web development. Their work doubled our search engine visibility and significantly improved site performance. The scalable architecture they built handles our growing user base perfectly, supporting thousands of daily active users.
CEO of BullArena
Andrej Ruckij
A professional team with a deep understanding of blockchain technologies and the Play-to-Earn mechanics. The project was executed at a high level, from MVP development to the integration of cryptocurrency operations. The optimization of the gameplay ensured stable real-time performance.
Our Custom E-commerce Development Expertise
Web & Mobile E-commerce Development
Create robust web and mobile applications optimized for seamless shopping experiences and operational efficiency.
Data-Driven Solutions
Leverage advanced data analytics to enhance customer insights, optimize inventory, and drive smarter decision-making,
Predictive Analytics
Implement Al-powered tools to forecast demand, personalize product recommendations, and improve conversion rates.
API Design & Development
Build flexible and scalable APIs to enhance platform functionality, enable third-party integrations, and support multi-channel operations.
Blockchain Integration
Adopt blockchain for secure payments, transparent order tracking, and improved trust in online transactions.
Third-party integrations
Payment Integrations
Visa
MasterCard
Stripe
PayPal
Apple Pay
CRM Software
Salesforce
HubSpot
Zoho
Pipedrive
Data & Analytics
Bloomberg
Reuters
S&P Global
Experian
Equifax
Identity Verification
ID.me
Onfido
Jumbo
Cloud Solutions
AWS
Microsoft Azure
Google Cloud
Why Choose Sagtech for E-commerce Development
Conversion-Focused Design
We build customized B2B and B2C platforms with conversion-optimized UX that increases average order value by 15-25%.
Advanced Technology Stack
Use the latest technologies, including AI, machine learning, and big data analysis, to create effective and scalable solutions.
Enterprise-Grade Security
We provide reliable data protection using modern encryption methods, secure payment gateways, and compliance with GDPR and PCI DSS standards.
Ongoing Support and Optimization
We provide regular updates, technical support, and optimization, helping your business become competitive in the market.
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frequently asked questions
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