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.
Get in touch with usSee process
120+
Projects delivered
100+
Integrations
30
People on the team

Last updated: July 2, 2026

How much does a MedusaJS agency project or team cost?

ScopeRangeNotes
Audit + migration roadmapEUR 3,500 - 8,0002-4 weeks
Medusa v2 MVP + Next.jsEUR 25,000 - 45,000fixed after DDT
Dedicated Medusa developer (month)from EUR 5,200 / month1 FTE, EU nearshore

Ranges after DDT. Compare with a US senior Medusa hire (roughly USD 130-165k/year FTE) plus recruitment time.

Medusa agency vs freelancer vs in-house hire

CriterionGMI Software (agency)FreelancerIn-house senior hire
Time to first release4-6 month MVPDepends on solo capacity3-6 month hiring
Medusa v2 + mobile + ERPSingle partnerRarely full-stackNeeds a team
Delivery riskDDT + fixed priceHigh without PMFixed payroll

Cooperation process

How does our cooperation look like?

A transparent process that leads from idea to finished product

  1. Step 01

    Audit & DDT

    Domain and integration map with risks. Greenfield vs migration, MVP scope.

  2. Step 02

    Medusa v2 architecture

    Modules, event bus, B2B workflows, multi-region and data strategy.

  3. Step 03

    Core development

    Catalog, checkout, payments, promotions, custom TypeScript modules.

  4. Step 04

    Next.js storefront

    ISR, i18n, CRO, analytics and conversion testing.

  5. Step 05

    ERP/PIM integrations

    Stock, orders and price list sync with retries and monitoring.

  6. Step 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

Related

MedusaJS technology page

Shopify comparison, business modules and v2 architecture.

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 more

MedusaJS 2.0 technology expertise

When Medusa fits, platform comparison and enterprise modules.

Read more

Medusa vs commercetools vs Saleor - B2B

Open-source vs enterprise SaaS for cost and MVP speed.

Read more

Medusa vs Shopify Plus - TCO

When Medusa wins financially on a 3-year horizon.

Read more

MedusaJS implementation cost in 2026

Agency ranges and dedicated developer model.

Read more

Magento to Medusa migration

Phased guide for B2B and headless.

Read more
Service 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

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.

Schedule consultationStart brief assistant
Preliminary estimate in 48h
Fixed price after DDT — price guarantee
No commitment
We can sign NDA
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.

gmi.software Sp. z o.o.ul. Jana Heweliusza 11 / 819
80-890 Gdansk, Poland
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