We are Merlin Digital Partner , a leading consultancy specializing in IT and digital talent acquisition with over 10 years of experience. We have helped scale top companies such as Wallapop, Glovo, Banc Sabadell, and Duracell , among others.
Focused on humanizing and streamlining recruitment processes , our goal is to transform companies by bringing in top talent . We stand out for deeply understanding each partner’s reality , not only their needs but also their essence.
Our partner is a fast-growing healthtech company founded in Barcelona and headquartered there, it has expanded internationally across Europe and USA .
The Mission:
We are looking for a Full Stack Developer with a strong backend focus to become part of our Growth Team. In this role, you’ll help scale our e-commerce platform, improve core systems, and create internal products that support and accelerate our business operations.
The Role:
- E-commerce & Payments: Develop and maintain our ecommerce core services. Integrate and optimize payment providers like Stripe, Klarna, and Alma.
- Internal tooling: Build custom internal CRM and "Offers" management tools from scratch using React, Material UI, and React Query.
- Frontend evolution: Support and improve multiple frontends for treatment sales and our custom checkout flow.
- System architecture: Work within a microservices environment, ensuring seamless communication between our ecommerce engine and internal systems.
- Admin tools: Customize and extend internal admin panels to meet the specific needs of our growth and operations teams.
What we need:
- At least5 yearsof experience in software development.
- Minimum of2 yearsof experience withNestJS(mandatory).
- Strong proficiency inTypeScriptacross the entire stack.
- Proven experience withReact.
- Solid understanding of PostgreSQL and microservices architecture.
- Familiarity with security principles (CORS, OAuth, JWT).
- Experience withMedusaJSor other headless ecommerce frameworks is astrong plus.
- Prior background inE-commerce(checkouts, payments, order management) ishighly valued.
Tech Stack:
- Backend:Nest, TypeScript, MedusaJS (Self-hosted).
- Frontend:React, Material UI, Chakra UI (+ Panda), TanStack.
- Infrastructure:PostgreSQL, Microservices.
What we offer:
- Collaborative work environment and positive culture.
- Free gym and classes.
- Benefits and discounts in the company's products.
- International and diverse teams.
- 27 days off per year.
- Flexibility in starting and ending your shift.