80 Backend Engineer Jobs in Barcelona, Spain

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• In this role, you will: Do discovery, design, develop, test, deploy and maintain software in a thriving environment.
• What you need to be successful: Experience in developing software using a JVM language and Spring Boot in large-scale production…

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• What you will do Design and build shared libraries, framework layers, and internal services used across every Proton product Turn…
• You have opinions about naming, defaults, error handling, and what belongs in a library versus a service A feel for…

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• As a Senior backend developer , you will be responsible of: Take ownership of the product from a technical standpoint…
• Hiring process: 1st call with Manon Talent Acquisition Specialist Interview with Joaquim your future manager Technical test with one of…

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• We are looking for a talented and motivated Backend Engineer (m/f/d) for our Driver Engagement Team.
• Our Techstack : Kotlin | Java | AWS | Docker | Git | Kafka | ElasticSearch & more TO BE…

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• Any engineering background works: backend, frontend, mobile.
• Developer Tooling Experience: You have built or operated internal developer platforms: plugin registries, CI/CD integrations, package distr…

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• Responsibilities Design and develop secure, scalable services and REST/GraphQL APIs Implement notification logic, identification flows, and…
• Position Build and maintain the core back-end systems that power the Hub: the notification engine, identification layer, data pipelines, in…

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• 🎯 What will be your impact Own the architecture and delivery of client onboarding and data migration pipelines.
• Drive technical decisions with an eye toward scalability, maintainability, and cross-team impact; your work will be felt across the whole…

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• Shape Architecture: Collaborate on system design, tech stack decisions and optimizations for scalability, performance and maintainability.
• 5+ years of experience in a software engineering role.

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• The Role As a Backend Software Engineer, you will be responsible for designing, building, and maintaining the server-side components of…
• Requirements 5+ years in backend engineering roles; Proficiency in Node.js and TypeScript; Strong experience with Supabase or equivalent Po…

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• Job requirements: Proven experience with back-end development Expertise in building scalable, high-performance solutions Proficiency with p…
• Future Plans: With payments being the backbone of any subscription business, we have ambitious plans to expand the team to…

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• We are seeking a collaborative Backend Engineer to join our mission-driven team.
• As a vital contributor throughout the entire feature lifecycle, you will partner closely with Product Owners and Designers to translate…

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• Role overview: We are looking for a Senior Backend Engineer (Ruby on Rails Developer) with a deep understanding of server-side…
• Key responsibilities Designing and developing highly scalable backend services and APIs to support front-end applications and third-party i…

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• As a Backend Engineer you will play a central role in making it easier for users to access Rain and…
• The candidate will be responsible for managing various areas of our backend platform, including API integrations with 3rd-party vendors and…

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• We are looking for a mid-level Backend Engineer to join our Generative AI Innovation team and help drive AI innovation…
• Contributing to complex technical projects, ensuring robust, secure, and scalable software solutions.

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• You’re an important part of our future.
• Agile: Previous experience in agile teams and tools ( Jira ).

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• The Backend Platform team operates as part of the broader Platform Engineering division.
• We embrace progressive engineering practices including automated testing and a continuous deployment pipeline.

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• What you'll do Build, maintain, and scale backend services and their support tools Participate in architectural definitions with a high…
• And comfort adapting to different languages and frameworks Familiarity with asynchronous programming techniques: streams, event-based flows…

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• In the context of our exponential growth, we are strengthening our internal engineering team and opening a Senior Backend Software…
• Technical Stack: Languages: Java 25, Kotlin 1.9, Go Framework: Spring Boot 3.x.x Database: PostgreSQL Message Broker: RabbitMQ Caching: Red…

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• Your day-to-day at Novicell Develop backend solutions on .NET and Azure (Functions, Service Bus, API Gateway, App Services) Build integrati…
• What we're looking for 5+ years building production .NET solutions (C#, .NET 6/7/8+) Experience with e-commerce integrations: Commercetools…

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• As a Senior Full Stack Engineer, you will combine hands-on execution with technical leadership, helping shape both product direction and…
• UI Development: Develop and evolve frontend experiences in React/Typescript, contributing to experimentation frameworks and helping establi…

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• The Role We are looking for a Backend QA Engineer to help ensure the reliability, performance, and scalability of our…
• Responsibilities Design and execute tests for backend systems, including APIs, databases, and service integrations .

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• Your mission is to engineer highly resilient, scalable backend systems and robust cloud architectures that connect internal users, external…
• The Role 🚀 We are looking for a Senior Software Engineer to join our Data Ops team.

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• Designing and building scalable backend services and APIs.
• As a Software Engineer, you'll build products, platforms, and services used across multiple King games, working closely with engineers, Pro…

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• What You Will Do Provide technical leadership and architectural guidance for enterprise-scale SaaS applications Contribute hands-on to the…
• As a staff engineer at Emburse, you’ll work with engineering managers, senior engineers, and cross-functional partners to design the techni…

Role highlights

• Role Overview: We are looking for a Senior Platform Engineer (m/f/d) to join the Data and AI Transformation Engineering team,…
• Experience working in regulated environments, where auditability, data controls, security, and compliance are core engineering requirements.