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As a Senior Backend Engineer, you will play a key role in strengthening and scaling the technical foundations of our Spanish market operations. You will be responsible for designing, building, and evolving backend systems that support business growth, operational efficiency, and long-term scalability. Acting as a bridge between business operations and technology, you will translate operational requirements into reliable, maintainable, and scalable software solutions. In a dynamic and fast-evolving environment, you will bring structure and engineering rigor. You will contribute to architectural decisions, establish best practices, and ensure that backend systems are resilient, performant, and aligned with the company’s strategic objectives.
Job Responsibility:
Designing and implementing scalable backend services and APIs
Improving system reliability, performance, and maintainability
Partnering closely with operations and business stakeholders to understand evolving needs
Driving technical excellence and reducing technical debt through pragmatic decision-making
Contributing to architectural standards and long-term platform strategy
Supporting the scalability of our Spanish market by building robust, future-proof infrastructure
Requirements:
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent practical experience
5+ years of backend development experience, including senior-level ownership of architecture and integrations
Senior-level expertise in Python (Django/FastAPI), including event-driven or asynchronous architectures
Strong experience managing complex API integrations and debugging data inconsistencies across multiple external services
Ability to reverse engineer semi-technical workflows (“shadow IT”) to understand business logic before leading refactoring
Strong analytical and problem-solving mindset
Pragmatic and structured approach in fast-moving environments
Fast learner of business domains with the ability to bridge technical and operational topics
Professional English required
Spanish is a plus
Nice to have:
Spanish is a plus
What we offer:
Subscription Bonuses for Company Creators (BSPCE) from your first day
Attractive deals on home insurance and green energy
Mutual health insurance through Alan, with 50% covered by papernest
Swile card for meal vouchers valued at €9 per working day, with 50% covered by papernest
Breakfast every Tuesday at the office
Fully stocked Ideal Garden refrigerator
Discounted rates at partner restaurants
Continuous training aligned with your goals
Career development opportunities
2 remote work days per week
Access to the Ekie solution for dedicated legal and tax advice