BigCommerce Development Services
BigCommerce development that
BigCommerce development that
ships on time
and scales from day one
From full-store builds to complex application programming interface integrations, your BigCommerce development project gets a dedicated team, a defined scope, and a launch date you can plan around.
Submit brief → call within 48 hours → proposal in 3 days → Sprint 1 within 1 week of sign-off
BigCommerce Certified Partner
Stores live in 8 to 16 weeks
QA-signed launch process
Why most development projects stall
The gap between spec and go-live
The old way
Launch dates that slip every sprint
Scope creep, re-estimates, and "almost done" replies eat your runway before revenue starts.
Generalist teams with no BigCommerce depth
Developers learning Stencil, the Catalog application programming interface, and B2B Edition on your budget and your clock.
Performance and search engine optimization bolted on after launch
Core Web Vitals, canonical structure, and mobile speed treated as post-launch cleanup, not foundations.
Handover with no documentation
Your team inherits a store they cannot maintain or extend without going back to the same agency.
With Redefine
A fixed go-live milestone with weekly reviews
Sprints mapped to your launch date from day one. Every stakeholder sees live progress in a shared project tracker.
Specialists with platform-native depth
Separate paths for build, app, B2B, headless, and optimization. Each project gets developers who already know the surface area.
Performance baselines built into the spec
Page speed targets, search engine optimization URL structure, and mobile experience defined before a single line of code is written.
Full documentation handed to your team
Code comments, deployment guides, and admin training sessions included in every project. Your team owns the store.
Founders
A store that opens to paying customers, not to a list of post-launch tickets. Your BigCommerce website development project ships with conversion architecture, not just design.
Ecommerce Directors
Integrations, catalog rules, and checkout logic that match your operations playbook, not a template. Your BigCommerce developers work from your requirements, not a starter theme.
Chief Technology Officers
Clean application programming interface architecture, documented integrations, and a codebase your team can maintain. BigCommerce development that does not become technical debt twelve months from now.
How a project runs
Your build, in motion
Every BigCommerce development project runs on a live tracker. See sprint status, deployment pipeline, and store performance metrics the moment you onboard.
Sprint 4 of 6
Checkout and integrations milestone
Live build environment
Deployment readiness78%
In Progress
DevCustom checkout fieldsCompletion: 2 days
APIEnterprise resource planning order syncCompletion: 3 days
Review
QAMobile cart flowAwaiting sign-off
QASpeed auditLargest Contentful Paint: 1.4s
Done
DoneStencil theme buildShipped Sprint 2
DoneCatalog import and rules4,200 stock keeping units live
Stock keeping units migrated
0
Integrations live
0
Days to go-live
0
Open pull requests3 open
feat/checkout-fields
Reviewfix/erp-sync-payload
Draftperf/lcp-image-opt
Merged
Recent activity
Staging deploy: Sprint 4 passed QA gate
Enterprise resource planning webhook endpoint
documented
Weekly review scheduled: Thursday 10 AM
4,200 stock keeping units migrated and validated
Scope and deliverables
What your BigCommerce build includes
Every project is scoped to your catalog, your operations stack, and your growth targets. Here are the six delivery areas your team can expect.
Custom theme development
Stencil-based theme built to your brand with mobile-first layout, optimized Largest Contentful Paint, and accessible component patterns. No purchased themes that break on customization.
App and application programming interface development
Private apps, webhook pipelines, and third-party connections built on the BigCommerce application programming interface. Extend catalog, order, and customer surfaces without workarounds.
Search and navigation
Faceted search, smart filters, and navigation architecture that helps buyers find products and helps your catalog rank. Powered by BigCommerce's native search or third-party engines.
Subscription and custom functionality
Subscription flows, custom pricing rules, price lists, and checkout scripts that match your revenue model. Not what the theme supports out of the box.
Performance and quality assurance
Core Web Vitals testing, cross-device quality assurance, and a launch checklist that covers redirects, payment gateway validation, and post-launch monitoring. Every store passes before it ships.
Documentation and handover
Codebase documentation, admin training sessions, and a deployment runbook delivered to your team at go-live. You leave the project with full ownership and no dependency on us to maintain it.
Why it works
BigCommerce development built around your revenue model
Speed to revenue
From signed statement of work to live store in a defined window
Your go-live date is agreed before code starts. Each sprint delivers a testable increment your team can review, approve, or flag. Surprises are caught in staging, not on launch day.
Most BigCommerce website development projects go live in 8 to 16 weeks. Complex builds with headless architecture or heavy application programming interface layers are scoped separately at discovery.
Project timeline
1
Week 1
Discovery and scope
Tech audit, requirements, sprint plan
2
Weeks 2 to 5
Theme and core build
Stencil theme, catalog, navigation
3
Weeks 6 to 10
Integrations and checkout
Application programming interfaces, enterprise resource
planning, payment, custom logic
4
Weeks 12 to 16
Quality assurance, launch, handover
Performance test, go-live, documentation
Platform expertise
Developers who know BigCommerce's full surface area
Stencil, Catalyst, BigCommerce's Catalog application programming interface, Price List application programming interface, and B2B Edition are not new terrain for your development team. They have shipped stores using all of it.
When you need a BigCommerce development company with headless capability, our team has built on Next.js and Catalyst frontends connected to BigCommerce backends. No agency that generalizes across ten platforms handles this at the same depth.
Performance-first builds
Speed, search engine optimization, and conversion baked into the build spec
Core Web Vitals targets, canonical URL architecture, and structured data are defined in sprint 1, not appended in a post-launch punch list.
Your BigCommerce developers work from performance acceptance criteria alongside design requirements. The result is a store that ranks, loads fast, and converts on day one.
Core Web Vitals: staging
Largest Contentful Paint1.4s Good
Cumulative Layout Shift0.04 Good
Interaction to Next Paint140ms Needs work
Performance review scheduled: Sprint 5
Integration architecture
Every system connected cleanly
Your BigCommerce store does not live in isolation. The integrations your operations team depends on get first-class treatment in the architecture stage, not the final sprint.
Enterprise Resource Planning Sync
Orders, inventory
Live
Email Marketing
Klaviyo, custom
Live
Payments
Gateway configuration
In review
Analytics
Google Analytics 4, Google Tag Manager
In progress
Platform-specific proof
Revenue built on a custom BigCommerce store
Outdoor retail
A knife brand operating in a market with strict advertising restrictions. Growth depended entirely on organic, email, and a high-converting BigCommerce storefront.
Revenue growth
$1M
to $3.8M over three years
Store performance
4,200
Stock keeping units migrated and indexed
Primary channel
Custom BigCommerce and Klaviyo
The challenge
Revenue was capped by a storefront that could not support the user experience research, search engine optimization architecture, or application programming interface-driven order processing the brand needed. Manual processes limited scale.
The solution
A custom BigCommerce store was built from user experience research with mobile-first performance, BigCommerce application programming interface-driven order processing, and a Klaviyo integration that became a primary revenue channel.
"Organic rankings and social presence delivered sustained traffic growth. The store positioned us as a scalable, high-performing brand in a restricted and competitive market."
Off Grid Knives
Result
280% revenue
growth over 3 years on BigCommerce
Budget guidance
What a BigCommerce development project costs
Investment varies by scope, integration count, and catalog size. Below are honest ranges based on delivered projects.
Standard build
$15K to $40K
Custom theme, core integrations, up to 5,000 stock keeping units, quality assurance and launch support. Typical timeline: 8 to 12 weeks.
- Stencil theme
- Up to 3 integrations
- Quality assurance and launch
Most common
Full-service build
$40K to $100K
Custom theme, complex integrations, app development, B2B features, or subscription commerce. Timeline: 12 to 16 weeks.
- Custom app development
- Enterprise resource planning and multi-system application programming interfaces
- Performance and search engine optimization baseline
Enterprise and headless
$100K+
Headless architecture (Catalyst, Next.js), multi-storefront, advanced B2B Edition, and large catalog complexity. Scoped at discovery.
- Headless and Catalyst frontend
- Multi-storefront architecture
- Dedicated project lead
Why Redefine
Specialized paths. No generalist trade-offs.
Most BigCommerce development agencies blend every service into one team and one process. Redefine separates build, app, B2B, headless, and optimization into distinct paths so every project gets the right depth.
| Feature | Typical agency | Redefine |
|---|---|---|
| Service specialization | One team handles all service types | Separate specialist paths: build, app, B2B, headless, optimization |
| Project visibility | Weekly status emails | Live sprint tracker with deployment pipeline you can log into |
| Performance baseline | Post-launch speed audit | Core Web Vitals targets agreed in sprint 1, tested in staging |
| BigCommerce application programming interface depth | Standard integrations via apps | Custom application programming interface development: Catalog, Price List, Orders, B2B Edition |
| Handover | Store access transferred | Code documentation, admin training, and deployment runbook included |
| Search engine optimization architecture | Plugin-based, post-launch | URL structure, canonical tags, and structured data built into sprint spec |
Is this the right project for us?
Good fit. Not a fit.
Be honest about which projects we take on and which we do not. It saves everyone time and leads to better outcomes.
Good fit when
- You have an active BigCommerce account or are migrating an existing store to the platform.
- You need revenue growth infrastructure, not just a visual refresh or a theme swap.
- Your team can commit 3 to 4 hours per week: one sprint review, async feedback on deliverables, and final quality assurance sign-off.
- You have one or more enterprise resource planning, marketing, or analytics systems that need to integrate cleanly with the new store.
Not a fit if
- You want a one-time build with no ongoing accountability or post-launch support conversation.
- Monthly revenue is under $10,000 and the store is pre-product stage, where a full custom build is not yet the right investment.
- You need every channel and all development managed by a single in-house person with no outside collaboration.
- Your timeline is under 4 weeks and scope is unclear, which prevents us from setting a realistic go-live milestone.
Not sure? Tell us your situation and we will be straight with you.
Common questions
BigCommerce development frequently asked questions
Questions about your project scope, timeline, or what to expect after go-live? Start a strategy call and your project lead will walk through your specific situation.
A full BigCommerce development engagement typically includes custom theme development, app integrations, application programming interface connections, performance tuning, quality assurance testing, and a coordinated store launch. Scope is tailored to each store's tech stack, catalog size, and growth plan.
Most new BigCommerce store builds take 8 to 16 weeks depending on complexity, number of integrations, and custom feature requirements. A discovery call is the fastest way to scope your specific timeline accurately.
Yes. Our BigCommerce migration services cover data migration, search engine optimization URL preservation, redirect management, and cutover planning. We have migrated stores from a wide range of platforms including legacy custom solutions.
Yes. Our BigCommerce app development and application programming interface development services extend your store's native functionality. We build private apps, connect third-party systems, and design custom application programming interface workflows for complex catalog and order requirements.
We separate build, app, B2B, headless, and optimization paths so you get a developer with the right depth for your actual goal, not a generalist team. Every project ships with performance baselines, quality assurance sign-off, and a defined go-live checklist.
Start your project
Your BigCommerce development project starts with one brief
Bring your requirements or just your goals. Your project lead will scope the build, estimate timeline, and explain the sprint process before any engagement starts.
Scoped before work starts · line-by-line pricing · no commitment to receive a proposal
Project type
Call within 48 hours · proposal in 3 days · Sprint 1 within 1 week of sign-off
Brief received. We will review your workflow and send a scoped proposal within 3 business days.
48-hour response
After brief submission
3-day proposal
Scoped and line-by-line
50+ stores built
BigCommerce builds delivered
You own the code
Full handover at go-live
Ready to build
Your BigCommerce development project starts with one call
Bring your requirements or just your goals. Your project lead will scope the build, estimate timeline, and explain the sprint process before any engagement starts.
No commitment. No pitch.
Submit brief → call within 48 hours → proposal in 3 days → Sprint 1 within 1 week of sign-off
0%
average revenue growth across BigCommerce builds
8 to 16
weeks from signed statement of work to live store
0+
BigCommerce stores built and launched
100%
of projects include documented handover