97 backend developer English-speaking jobs in Catalonia

  • Fundraise Up
  • , Cataluña, Spain
  • April 1
About The Role As a Backend Developer, you will be a key architect of the engine that powers our global ... Our backend is powered by Node.js (Koa, NestJS) and MongoDB. ... Responsibilities: Design, build, and maintain clean, efficient, and scalable backend services in Node.js ... Own key parts of our backend architecture, making critical decisions that enhance performance, reliability ... Requirements Experience: 5+ years of backend development experience, preferably in a product-driven environment
  • N26 GmbH
  • Barcelona
  • April 1
Senior Backend Developer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with relational and non-relational databases, preferably Postgres, and AWS is required.
  • Aldia
  • Barcelona
  • April 1
About the job Frontend developer (REACT) The Role We are looking for a full-time Web Developer. ... You will work on a day-to-day basis with our design and backend team to build a scalable and solid product
  • Fliff Inc
  • Barcelona
  • April 3
We are seeking a Middle Python Developer to contribute to backend service development in a distributed ... You will own features and collaborate to deliver reliable, maintainable backend services using Python ... and support Develop backend APIs and services using Python and Django Work on message‑driven systems ... What You’ll Do Take ownership of assigned backend features and services from development through deployment ... on‑call rotations and production support What We’re Looking For 3+ years of professional Python backend
  • papernest
  • Barcelona
  • March 30
Your profile : You have at least 5+ years of backend development experience in Python. ... knowledge sharing, mentoring of more junior developers and fair employee evaluation Our stack : Backend
  • Crystal Intelligence
  • Barcelona
  • April 1
Required Experience 10+ years of experience in software engineering, with at least 5 years working as a backend ... Familiarity with developer tooling, developer experience optimisation, or DevOps practices. ... Work closely with DevOps and Developer Experience teams to enhance developer productivity and streamline ... These squads oversee the Core Platform, Core Data (including blockchain integrations), Developer Experience ... Advocate for best practices in software development, DevOps, and developer productivity across all squads
  • Getmurphy
  • Barcelona
  • April 13
📚 Requirements 3+ years as a software developer, with a strong background in building backend ... Backend: Node.js, TypeScript, Python, Microservices, event-driven architectures. ... Embed AI intelligence directly into backend workflows and customer-facing features. ... Proven track record developing scalable backend applications in Python or Typescript. ... 📝 Responsibilities Design, develop, and test backend solutions that power our AI-driven debt collection
  • Xcede
  • Barcelona
  • March 27
Senior Backend Engineer – Go / Golang 6 month contract – hybrid (Dublin, London, Barcelona, Warsaw or ... Berlin) I'm working with a product-led SaaS company looking for multiple senior backend engineers ... These roles sit across core backend services and a newer AI-focused area building agentic capabilities
  • Wizeline
  • Barcelona
  • April 3
Qualifications 7+ years of experience as a Frontend Developer. ... You will work closely with Product, Design, and Backend teams to ensure high-quality, accessible, and
  • Quantion
  • Barcelona
  • March 31
We are looking for .NET developer. ... IDE: Visual Studio or VS Code SQL Server (T/SQL, SQL) Azure Cloud Azure DevOps Key Activities: BFF (Backend-for-Frontend ... including C# and related frameworks/technologies Relevant certifications (e.g., Microsoft Certified: .NET Developer
  • JOIN
  • Barcelona
  • March 30
We care deeply about quality, performance, and a great developer experience – supported by clean architecture ... As our Backend Engineer in Barcelona, you’ll join us at an exciting moment: the launch of our new office ... Who you’ll work with You’ll join our Backend Guild, collaborating closely with Product, Platform, DevOps ... don’t believe in checklists – but if most of these apply to you, we’d love to chat: ✔ 5+ years of backend
  • Amaris Consulting
  • Barcelona
  • March 27
Design, develop, and maintain backend services for Mobile DevOps platforms using Rust Contribute to backend ... Take your career to the next level with Amaris Consulting as a Mobile DevOps BackEnd Engineer. ... Strong professional experience in backend development, preferably using Rust Experience designing and ... maintaining microservices and backend APIs Solid experience with CI/CD tools (Jenkins, Bitbucket Server
  • MEDIA MARKT ESPAÑA
  • Barcelona
  • March 31
Create backend services following the API First principle. ... Experienced in developing backend systems with NodeJS. ... Develop interfaces between our backend APIs and consumer touchpoints.
  • Tauniqo.ai
  • Barcelona
  • April 3
You write clean, scalable backend code. ... be calling APIs; you will be architecting, building, and refining complex AI agents that run on our backend ... Proven Experience: You have hands-on experience building and deploying AI agents and LLM-powered backend ... breathes the LLM ecosystem and knows how to turn state-of-the-art models into reliable, production-ready backend
  • PowerUp Talent
  • Barcelona
  • April 2
of the technical direction across a growing portfolio of mobile games, spanning client architecture, backend ... gaming or mobile products Strong expertise in scalable architecture, performance optimisation, and backend
  • Arbolus
  • Barcelona
  • March 30
Bachelor's degree in Computer Science or equivalent practical experience 6+ years of professional backend ... NET, PostgreSQL, and React Comfortable working with AWS, Docker, and GitHub Actively uses AI-powered developer
  • Q-tech
  • Catalonia
  • April 16
The backend is handled by the client, while your team owns frontend development and product design.This ... profilesRead, understand and improve existing codebasesCollaborate closely with product, design and backend
  • SystemsAccountants
  • Barcelona
  • March 20
Excellence team for their CCH Tagetik application, seeking an experienced EPM application solution architect/developer
  • European Tech Recruit
  • Barcelona
  • March 30
Engineer – EDA Tools / TCL / Back‑End / Synthesis / Place & Route / Floorplanning Are you a Senior Backend
  • Neotalent Conclusion
  • Barcelona
  • March 20
Role Overview: We are looking for a Frontend Developer to join our team and help us deliver high-quality
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