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Backend Engineer Spain Jobs

23 Job Offers

Senior Backend Engineer
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Senior Backend Engineer sought for a high-impact role in Spain. Join a small, agile team transforming the product using Python, APIs, and SQL/NoSQL databases. You will design scalable systems, mentor engineers, and drive innovation in a fast-paced environment. Ideal for experts with 5+ years of P...
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Location
Spain
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Not provided
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Bark
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Until further notice
Backend Engineer (with Python/ML experience)
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Backend Engineer with Python/ML experience needed in Madrid, Spain. You will design scalable systems using Flask/FastAPI and solve business problems with ML solutions. Requires 3+ years Python, Docker, and a product mindset. Enjoy a competitive €50-65K salary, remote-friendly culture, and impactf...
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Spain , Madrid
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Salary
50000.00 - 65000.00 EUR / Year
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Babel Profiles
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Backend Engineer - Customer Identity
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Backend Engineer (Customer Identity) sought for N26 in Barcelona. You will design and develop secure, frictionless identity verification products using Java or Kotlin. This role demands independence, problem-solving skills, and a passion for well-tested code. Join a collaborative, autonomous team...
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Location
Spain , Barcelona
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Salary
Not provided
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N26
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Until further notice
Senior Software Engineer (Backend)
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Senior Software Engineer (Backend) sought to own features end-to-end in a microservices architecture using Go and Python. You will build scalable solutions on Kubernetes, AWS, and Kafka, collaborating directly with clients in Madrid or Manises. This early-stage role demands 7+ years of backend ex...
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Location
Spain , Manises; Madrid
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Salary
Not provided
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Maisa
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Until further notice
Backend Engineer
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Join a dynamic team as a Backend Engineer in Spain, building scalable features with Python, SQL, and NoSQL databases. You’ll design high-performance APIs, manage Docker and Kubernetes deployments, and shape our tech strategy. Ideal for innovators with production experience in AWS and cloud monito...
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Location
Spain
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Not provided
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Bark
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Senior Backend Engineer (APIs)
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Senior Backend Engineer (APIs) role in Madrid, Spain. Design and build scalable distributed systems and APIs using Java, Kotlin, and Spring Boot. Requires 5+ years of experience with microservices, cloud-native architectures, and production systems. Join a high-growth tech community with a compet...
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Location
Spain , Madrid
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Not provided
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Parser Limited
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Backend Software Engineer II
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Join Microsoft’s Azure Data engineering team in Barcelona as a Backend Software Engineer II. Design and ship large-scale services for Microsoft Fabric and Azure databases using C#, Java, or Python. Collaborate globally on AI-first solutions, ensuring top performance and security. Requires a CS de...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Backend Engineer - Subscriptions
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Backend Engineer sought for N26’s Subscriptions team in Barcelona (Hybrid). You will build scalable, secure microservices using JVM languages and Spring Boot within the Grow & Engage domain. Collaborate with Product Owners to deliver premium features, leveraging AWS and Postgres. Enjoy a premium ...
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Spain , Barcelona
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Not provided
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N26
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Senior Software Engineer - Backend
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Join Microsoft’s Azure Data Engineering team in Barcelona as a Senior Backend Software Engineer. You will design, build, and support large-scale services for products like Microsoft Fabric and Azure SQL DB. We seek expertise in C, C++, C#, Java, or Python, with a passion for cloud-scale systems a...
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Spain , Barcelona
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Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
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Backend Engineer
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Join our dynamic team as a Backend Engineer in Spain. Develop scalable product features using Python, Docker, and modern cloud infrastructure. Enjoy fully remote work, global flexibility, and comprehensive benefits. Shape our technology strategy while solving complex, high-volume challenges.
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Location
Spain
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Not provided
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Bark
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Senior Backend Engineer
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Join bsport as a Senior Backend Engineer in Barcelona. Design and own scalable backend systems for our core C&E platform, powering customer data pipelines and personalization. Enjoy a hybrid model, health coverage, and a vibrant, multicultural team.
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Location
Spain , Barcelona
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Not provided
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Bsport
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Senior Backend Engineer
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Join bsport as a Senior Backend Engineer in Barcelona or Paris. Own a product vertical for a platform serving 10M+ users across 30+ countries. Design scalable microservices, lead large projects, and work with cutting-edge tech like Django, AWS, and Kafka. Enjoy a competitive package with equity, ...
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Location
Spain; France , Barcelona Tasso; Paris
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Not provided
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Bsport
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Senior Backend Engineer
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Join our agile team in Spain as a Senior Backend Engineer. You will design scalable APIs, business logic, and datastores using Python and modern cloud tech like Docker/Kubernetes. Drive product transformation in a fast-paced, test-and-learn environment while mentoring peers. Expertise in producti...
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Location
Spain
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Not provided
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Bark
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Backend Engineer - Acquire
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Join N26 in Barcelona as a Backend Engineer in the Acquire team. Develop innovative features using JVM, Spring Boot, and microservices in a modern AWS cloud environment. You'll build scalable systems with a focus on security, testing, and documentation within a thriving, collaborative culture.
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Location
Spain , Barcelona
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Not provided
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N26
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Junior Backend Engineer
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Join Glovo in Barcelona as a Junior Backend Engineer. Develop scalable solutions in Java, focusing on software architecture and data management. Enjoy benefits like equity, health insurance, and hybrid remote work while growing in a supportive, agile team.
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Location
Spain , Barcelona
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Not provided
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Delivery Hero
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Backend Engineer (Python)
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Join a global legal tech leader in Madrid as a Backend Engineer. Develop scalable Python/Flask systems and high-impact AI products for legal professionals. Enjoy a remote-friendly culture, career growth, and projects with real-world impact. Strong Python and ML experience required.
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Location
Spain , Madrid
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Not provided
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Babel Profiles
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Senior Java Backend Engineer
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Join a dynamic team as a Senior Java Backend Engineer in Spain. Design and implement scalable, event-driven systems using Java, Spring Boot, and REST APIs. Enjoy a home office role with flexible hours, health insurance, and professional growth. Make a real impact in a fast-paced, high-growth envi...
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Location
Spain
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Not provided
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Fever
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Principal Software Engineer - Backend
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Location
Spain , Multiple Locations
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Not provided
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Microsoft Corporation
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Senior Backend Software Engineer - Payments & Fraud
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Location
Spain
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Not provided
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Hopper
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Backend Engineer
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Location
Spain , Madrid
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Salary
Not provided
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Gipo
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Until further notice
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About the Backend Engineer role

Explore the dynamic and critical field of backend engineering, where you can find some of the most sought-after and rewarding tech jobs available. Backend engineers are the architects of the digital world, building the server-side logic, databases, and application programming interfaces (APIs) that power everything from the websites you browse to the mobile apps you use daily. While frontend developers create the visual elements users interact with, backend engineers work behind the scenes to ensure data is processed, stored, and delivered securely, reliably, and at lightning speed. These jobs are fundamental to the functionality of any online service, making backend engineers indispensable in virtually every industry.

Professionals in these roles are typically responsible for designing, developing, and maintaining the core components of a software system. A typical day might involve writing clean, efficient code for new features, optimizing existing databases for better performance, and building robust APIs that allow different software components to communicate seamlessly. Common responsibilities include developing and managing servers and serverless architectures, integrating with third-party services and data sources, and ensuring the security of data against cyber threats. Furthermore, backend engineers are tasked with implementing data storage solutions, which can range from traditional SQL databases to modern NoSQL systems, depending on the project's needs. A significant part of these jobs also involves creating and maintaining continuous integration and continuous deployment (CI/CD) pipelines to automate testing and deployment, as well as designing comprehensive monitoring and alerting systems to guarantee high availability and quickly resolve any production issues.

To succeed in backend engineer jobs, a strong foundation in computer science principles is essential. Candidates typically need proficiency in one or more server-side programming languages such as Java, Python, C++, Go, or Scala. A deep understanding of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis), is a standard requirement. Knowledge of web frameworks, containerization tools like Docker and Kubernetes, and cloud service providers (AWS, Google Cloud, Azure) is also highly valued. Beyond technical prowess, these roles demand strong problem-solving skills to debug complex issues and architect scalable systems. Effective collaboration is key, as backend engineers frequently work alongside frontend developers, product managers, and data scientists. They must be proactive, adaptable to evolving technologies, and committed to writing well-documented, tested code. Whether you are an entry-level developer or a seasoned tech lead, backend engineer jobs offer a challenging and impactful career path at the heart of technological innovation.