Hire BigCommerce Developers
Is your BigCommerce store missing features your business needs, struggling with integrations, or not performing the way it should? Klizer's certified BigCommerce developers build, customize, and scale stores for B2B and B2C businesses, with the platform knowledge to get it done right.
20+
Years of eCommerce Experience
B2B and B2C Expertise
500+
eCommerce Projects Delivered
Our Expertise
What Our BigCommerce Developers Deliver
Store Development
New BigCommerce stores built around your brand, your catalog, and your customers. No template limitations, no generic layouts, no compromises on how your store looks and functions.
- Custom store development
- Theme design and customization
- Headless commerce using React and Next.js
Integrations
BigCommerce connected to the systems your business runs on. Real-time data sync, error handling, and retry logic built into every integration.
- ERP integrations (NetSuite, SAP, Microsoft Dynamics)
- CRM and marketing platform connections
- PIM and OMS integrations
Optimization
Performance issues that slow your store down hurt conversions and rankings. We identify and fix them at the root, from app bloat to theme inefficiencies.
- Site speed and Core Web Vitals improvements
- Checkout customization for higher conversion
- Custom app development for missing functionality
Migration
Moving to BigCommerce from Magento, Shopify, WooCommerce, or another platform? We handle the full migration with zero data loss, SEO preservation, and no disruption to your live store.
- Full data migration with integrity validation
- SEO preservation and 301 redirect mapping
- Post-migration testing and support
Maintenance
Your store needs to keep up with BigCommerce platform updates, security patches, and evolving business requirements. We stay on after launch to keep everything running smoothly.
- Platform updates and security patches
- Ongoing bug fixes and feature development
- Performance monitoring and proactive improvements
Our Technical Expertise
Stencil Framework
Deep knowledge of BigCommerce's Stencil framework for building responsive, dynamic themes. From Cornerstone modifications to fully custom theme builds from scratch.
Custom App Development
Familiar with BigCommerce's App Marketplace standards and review process. Experience building both private and public BigCommerce apps.
BigCommerce APIs
Proficient in BigCommerce's RESTful and GraphQL APIs for custom integrations, data sync, and extending store functionality beyond what native features support.
Third-Party Integrations
Hands-on experience integrating BigCommerce with payment gateways, shipping providers, and marketing tools including ShipStation, Klaviyo, NetSuite, SAP, and Microsoft Dynamics.
Headless Commerce
Experience building headless BigCommerce storefronts using React, Next.js, and other modern frameworks via the BigCommerce Storefront API and GraphQL.
Performance Optimization
Techniques for improving page load times across BigCommerce stores, covering Liquid template efficiency, image optimization, app and script audits, and Core Web Vitals improvements.
Checkout SDK
Custom checkout experiences built using BigCommerce's Checkout SDK, covering custom fields, payment logic, shipping rules, and B2B-specific buyer flows.
Data Migration
Structured migration of products, customers, orders, and custom attributes to BigCommerce with full data integrity validation at every stage.
Why Klizer Over Other BigCommerce Development Agencies
BigCommerce certified partner
20+ years of eCommerce experience
B2B and B2C expertise
Dedicated team from start to finish
In-house developers, no outsourcing
ERP and enterprise integration experience
Post-launch support included
Fixed scope before work begins
Certification level varies widely
Most agencies are relatively new to BigCommerce
Most specialize in one or the other
Staff often rotates mid-project
Many agencies use freelancers or offshore contractors
Few agencies have deep ERP integration track records
Often a separate engagement or not offered
Ballpark estimates that expand mid-project
How to Hire BigCommerce Developer from Klizer
Step 1
Tell Us What You Need
Share your project requirements, timeline, and goals. The more context you give us, the better we can match you with the right developer or team for your project.
Step 4
Work Begins
Once you're confident in the team, we scope the project, agree on timelines, and get started. Most engagements are up and running within 48 to 72 hours of final sign-off.
Step 2
We Match You with the Right Expertise
Based on your requirements, we identify the developers with the right BigCommerce skills, integration experience, and industry knowledge for your specific project.
Step 5
Ongoing Communication
Regular updates, clear milestones, and a dedicated point of contact throughout the engagement. You always know what's being worked on and what's coming next.
Step 3
Meet Your Team
Before any work begins, you meet the developers who will be working on your project. Ask technical questions, review relevant experience, and confirm the fit before committing.
Step 1
Tell Us What You Need
Share your project requirements, timeline, and goals. The more context you give us, the better we can match you with the right developer or team for your project.
Step 2
We Match You with the Right Expertise
Based on your requirements, we identify the developers with the right BigCommerce skills, integration experience, and industry knowledge for your specific project.
Step 3
Meet Your Team
Before any work begins, you meet the developers who will be working on your project. Ask technical questions, review relevant experience, and confirm the fit before committing.
Step 4
Work Begins
Once you're confident in the team, we scope the project, agree on timelines, and get started. Most engagements are up and running within 48 to 72 hours of final sign-off.
Step 5
Ongoing Communication
Regular updates, clear milestones, and a dedicated point of contact throughout the engagement. You always know what's being worked on and what's coming next.
Ready to Hire a BigCommerce Developer?
Whether you need a single customization, a full store build, or an ongoing development partner, our certified BigCommerce team will scope the right solution before any work begins.
Why Choose Klizer as Your BigCommerce Development Partner
Certified BigCommerce Partner
Klizer meets BigCommerce's standards for technical expertise and successful project delivery. That certification gives us direct access to BigCommerce's technical resources, partner support, and platform roadmap, things that matter when your project hits complexity.
B2B and B2C Under One Roof
Most BigCommerce agencies specialize in one or the other. Klizer has deep experience across both, from complex B2B wholesale portals with ERP integrations to high-converting DTC storefronts built for scale.
ERP and Enterprise Integration Track Record
Connecting BigCommerce to NetSuite, SAP, Microsoft Dynamics, and custom systems is where most projects get complicated. It's where we're strongest, and where our experience across 500+ projects shows most clearly.
20+ Years of eCommerce Experience
Two decades of building and scaling ecommerce stores across platforms means we architect BigCommerce solutions with long-term stability in mind, not just what ships fastest today.
BigCommerce Services for a Wide Range of Industries
Success Stories
Discover the Journeys We Have Impacted
Here’s how we helped businesses realize their vision into result-driven, successful businesses powered by BigCommerce
Client Experiences, in Their Words
We have been a partner for Klizer for five years now, and the experience has been terrific. They have been an excellent partner to help us grow and sustain our business.
Ryan Van Hoozer
VP of Operations,
Marysville Marine Distributors
Klizer’s communication skills were above and beyond what I have
experienced with vendors. The relationship was such a great fit that we brought on Klizer employees in-house to work with us directly.
Dan Schuessler
Digital Project Manager,
Riddell
Klizer delivered a high-functioning website that perfectly coordinates with our company branding while enhancing our ecommerce capabilities for our customers.
Jennifer Krach
Vice President Sales, Marketing, &
Customer Service, C-Line
Insights from Our Experts
Frequently Asked Questions
A BigCommerce developer builds, customizes, and maintains BigCommerce stores. This includes theme development, custom app and feature development, API and third-party integrations, performance optimization, data migration, and ongoing store maintenance. The scope depends on what your store needs.
A freelancer handles one piece of the project. An agency brings a full team covering design, development, integrations, QA, and post-launch support under one roof. For projects involving ERP integrations, custom checkout logic, or complex B2B functionality, an agency with platform-specific expertise is the more reliable choice.
Most engagements are up and running within 48 to 72 hours of final sign-off. The discovery and scoping session can happen within 24 hours of your first conversation with our team.
Yes. A significant portion of our BigCommerce work is B2B, including wholesale portals, tiered pricing, company account management, and ERP integrations for manufacturers and distributors.
Yes. We handle integrations with NetSuite, SAP, Microsoft Dynamics, Salesforce, and custom systems. Integration scope is defined during the discovery phase and built with proper error handling, retry logic, and data validation from the start.
Yes. The same team that built your store stays available for ongoing support, updates, and new feature development. Most clients move to a monthly retainer or on-demand support engagement after the initial project.
The terms are used interchangeably. Both refer to developers who build and customize BigCommerce stores, whether that’s the storefront, backend functionality, integrations, or custom apps.
Tell us what your store needs and we’ll match you with the right expertise. Most conversations start with a brief discovery call where we understand your requirements, timeline, and goals before recommending an approach.
With 20+ years behind us, we build AI-powered ecommerce experiences that help businesses scale faster and stand out online.
Suite 201, Austin, TX 78756
- info@klizer.com
-
1005 West 41st Street
Suite 201, Austin, TX 78756
© Copyright 2026 Klizer. All Rights Reserved
- info@klizer.com
-
1005 West 41st Street
Suite 201, Austin, TX 78756
© Copyright 2026 Klizer. All Rights Reserved