Audit + migration roadmap
EUR 3,500 - 8,000
2-4 weeks
MedusaJS development
MedusaJS development agency
Hire Medusa developers from Poland for EU and US teams
GMI Software is a MedusaJS development agency from Gdansk, Poland: greenfield builds, Magento/WooCommerce migrations, B2B modules and dedicated Medusa teams for EU and US companies. 120+ projects, Clutch 4.9★, initial estimate within 48 hours.
We design and ship MedusaJS v2: migrations from Magento and WooCommerce, B2B modules, marketplaces, ERP integrations and Next.js storefronts. One partner from DDT workshop to production care.
Last updated: July 2, 2026
How much does a MedusaJS agency project or team cost?
Medusa v2 MVP + Next.js
EUR 25,000 - 45,000
fixed after DDT
Dedicated Medusa developer (month)
from EUR 5,200 / month
1 FTE, EU nearshore
| Scope | Range | Notes |
|---|---|---|
| Audit + migration roadmap | EUR 3,500 - 8,000 | 2-4 weeks |
| Medusa v2 MVP + Next.js | EUR 25,000 - 45,000 | fixed after DDT |
| Dedicated Medusa developer (month) | from EUR 5,200 / month | 1 FTE, EU nearshore |
Ranges after DDT. Compare with a US senior Medusa hire (roughly USD 130-165k/year FTE) plus recruitment time.
Share your scope — we will confirm a range in 48hMedusa agency vs freelancer vs in-house hire
Time to first release
- GMI Software (agency)
- 4-6 month MVP
- Freelancer
- Depends on solo capacity
- In-house senior hire
- 3-6 month hiring
Medusa v2 + mobile + ERP
- GMI Software (agency)
- Single partner
- Freelancer
- Rarely full-stack
- In-house senior hire
- Needs a team
Delivery risk
- GMI Software (agency)
- DDT + fixed price
- Freelancer
- High without PM
- In-house senior hire
- Fixed payroll
| Criterion | GMI Software (agency) | Freelancer | In-house senior hire |
|---|---|---|---|
| Time to first release | 4-6 month MVP | Depends on solo capacity | 3-6 month hiring |
| Medusa v2 + mobile + ERP | Single partner | Rarely full-stack | Needs a team |
| Delivery risk | DDT + fixed price | High without PM | Fixed payroll |
Cooperation process
How does our cooperation look like?
A transparent process that leads from idea to finished product
01
Audit & DDT
Domain and integration map with risks. Greenfield vs migration, MVP scope.
02
Medusa v2 architecture
Modules, event bus, B2B workflows, multi-region and data strategy.
03
Core development
Catalog, checkout, payments, promotions, custom TypeScript modules.
04
Next.js storefront
ISR, i18n, CRO, analytics and conversion testing.
05
ERP/PIM integrations
Stock, orders and price list sync with retries and monitoring.
06
Launch & SLA
Load tests, rollout, campaign support and evolution roadmap.
Key benefits
Why choose us?
Business outcomes first—technology is the means, not the end in itself.
Medusa v2 in production
Domain modules, not a monolith fork.
ERP and OMS
Experience in messy integration landscapes.
Omnichannel
Same backend for web and React Native apps.
Fixed price after DDT
Fixed-price guarantee after scope workshop.
FAQ
MedusaJS development FAQ
Are you a Medusa development partner?
GMI Software ships MedusaJS v2 in production with B2B modules, marketplaces and ERP integrations. See portfolio at gmi.software - we reply with an estimate within 48 hours.
Can I hire dedicated Medusa developers?
Yes. Dedicated FTE with a GMI architect, code review and Medusa v2 + NestJS + Next.js commerce experience.
How long does migration from Magento or WooCommerce take?
Typically 4-9 months depending on integrations and catalog data quality. We start with an audit and domain map.
Do you build Next.js storefronts?
Yes. Next.js App Router, ISR, i18n and analytics are our default Medusa v2 storefront stack.
Technologies
What technologies do we use?
Modern tools and proven solutions for the best results
MedusaJS
Backend
Next.js
Frontend
NestJS
Backend
PostgreSQL
Database
TypeScript
Language
Redis
Cache
Guides and proof
Articles, technology pages and case studies that support your buying decision.
Headless & B2B commerce
Broader context: ERP, omnichannel and Next.js storefront.
Read moreMedusaJS 2.0 technology expertise
When Medusa fits, platform comparison and enterprise modules.
Read moreMedusa vs commercetools vs Saleor - B2B
Open-source vs enterprise SaaS for cost and MVP speed.
Read moreMedusa vs Shopify Plus - TCO
When Medusa wins financially on a 3-year horizon.
Read moreMedusaJS implementation cost in 2026
Agency ranges and dedicated developer model.
Read moreMagento to Medusa migration
Phased guide for B2B and headless.
Read moreService scope
What does the service include?
Below is an example scope of work that we adjust to the stage and goals of the project.
Greenfield and Magento / WooCommerce migrations
B2B modules, marketplaces, subscriptions
Next.js storefronts and mobile apps
Dedicated Medusa team (team extension)
Observability and post-launch support
Next step
Ready to start?
Schedule a free consultation and learn how we can help with your project. After our DDT process (Discovery, Design & Technology), we offer a price guarantee and a fixed-price agreement.
Contact
Let's talk
about the project.
Have an app idea or need technological support? Write to us — we'll prepare a preliminary analysis and estimate within 48h. Projects that go through our DDT process (Discovery, Design & Technology) come with a price guarantee and a fixed-price agreement — a key differentiator for us.
Write to us[email protected]
gmi.software Sp. z o.o.ul. Jana Heweliusza 11 / 81980-890 Gdansk, Poland
© 2026 gmi.software Sp. z o.o.