Óscala is a Dutch/Spanish supplier of nearshore software engineering services. The company is HQ based in Haarlem (NL) and has a Software Development Center in the city center of Valencia. Óscala works for a growing list of reputable clients in The Netherlands and surrounding countries. We offer our clients additional (remote) capacity so they can continue to build their state-of the-art software solutions, web applications, mobile apps and alike. Each Óscala Software Developer works exclusively for one client and is an integral part of their Software Development team - working closely and on a daily basis together with Tech Leads, Architects and other colleagues of the IT team in The Netherlands (or Germany or Belgium).
We are currently looking for a:
Senior Full-Stack Developer (Backend Focus) | Remote
We’re hiring for a fast-growing B2C tech company in the eSIM space that’s scaling rapidly and transforming its architecture.
With 3M+ users annually, ~250K yearly orders, and partnerships with top-tier travel brands, the company is now moving from 15 Shopify stores to a centralized, app-first ecosystem — and is looking for a key engineer to lead this transition.
What you’ll do:
• Build scalable backend systems on AWS
• Unify authentication & order management across multiple stores
• Integrate legacy systems into a modern architecture
• Work on high-impact initiatives (AI chatbot, bundle builder, etc.)
• Collaborate closely with product & business teams
What they’re looking for:
• 5+ years in full-stack development (backend-focused)
• Strong experience with APIs & scalable systems
• Startup / high-growth mindset
• Experience with AI dev tools
• Shopify/eCommerce is a plus
Why join:
• 40–50% growth projected this year
• Shift to app-first in the next 6 months
• High ownership & real impact
• International team + cutting-edge tech
Perks:
• Remote + optional office in Valencia
• Salary: 40–55K
• Private health insurance
• €500 learning budget
• Language classes + great team culture
• Cobee
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