54 backend developer English-speaking jobs in Catalonia

Role Description This is a full-time hybrid role for a Backend Developer based in Barcelona. ... You will work on designing, developing, and optimizing backend systems and APIs, ensuring they are robust ... You will collaborate with cross-functional teams to integrate front-end and backend components and contribute

Developer (m/f/d) 100% remote. roclub is a fast-scaling MedTech start-up that builds the technological ... For our partner, the newest MedTech Start-up out there, we are looking for an English-speaking Backend ... Your responsibilities: You design, build, and maintain scalable Golang backend services and create gRPC ... Your profile: 5+ years of backend development experience with strong Golang skills and modern Go features

Developer (m/f/d) 100% remote.roclub is a fast-scaling MedTech start-up that builds the technological ... For our partner, the newest MedTech Start-up out there, we are looking for an English-speaking Backend ... and whenever they’re needed.Your responsibilities: You design, build, and maintain scalable Golang backend ... collaborating closely with cross-functional teams to deliver end-to-end solutions.Your profile: 5+ years of backend

Backend Developer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San Vito ... Must To Have Experience: 3+ years in backend development with production-grade systems. ... Contribute to backend services written in Golang where performance and concurrency are critical. ... Open Source: Contributions or side projects showcasing backend, AI, or automation expertise. ... Key Responsibilities Backend Development: Design, build, and maintain scalable, high-performance APIs

We're hiring a Senior Full-Stack Developer for a long-term position within a leading multinational ... Strong backend skills with Python and testing frameworks. ... Develop backend services with FastAPI and robust testing (Pytest, Gherkin, Cucumber). ... You'll collaborate with backend, frontend, and DevOps engineers, working closely with product managers

LGT Digital Factory (Spain) S.L. is searching for a Workflow Automation Developer for our Barcelona Office.What ... Java-based open-source workflow engine executing BPMN 2.0 business processes.As a Workflow Automation Developer ... Do you have 2–4 years of experience in workflow automation or backend development and a strong passion ... Camunda).Solid knowledge of BPMN 2.0 (CMMN is a plus).Backend development experience with Java and Spring ... and maintain workflow solutions using Flowable (BPMN 2.0, CMMN where applicable).Develop and extend backend

Key Responsibilities Build and own scalable backend services for our data-intensive web app and AI/ML ... Comfortable managing cloud infrastructure for backend, ML and data pipelines at scale (DevOps) Ability ... As a Founding Engineer on the team, you will be responsible for building a scalable backend infrastructure ... TypeScript/NodeJS/Python and a strongly typed language Very comfortable working across the data and backend ... About the role We are currently seeking an experienced Senior Software Engineer with a strong Data and Backend

Backend DeveloperCompany: SpokiLocation: Barcelona, SpainWe require on-site presence at our San Vito ... , maintainable, and well-tested code aligned with project goals.Must To HaveExperience: 3+ years in backend ... with Grafana, Prometheus, or AWS CloudWatch.Open Source: Contributions or side projects showcasing backend ... Development:Design, build, and maintain scalable, high-performance APIs using Python and Django.Contribute to backend

Fluently code as a full stack developer. Work with Open-source technologies and applications. ... Create a robust backend for massive scalability and high performance. ... Experience in backend technologies like Java or Python.Expert skills in CSS, HTML and Design libraries

Key Responsibilities: System Architecture: Design, build, and maintain scalable backend systems for AI ... What We're Looking ForTechnical Skills: 5+ years building backend systems in NodeJS & Typescript. ... Your ImpactAs a Senior Backend Engineer, you'll architect the systems powering our AI-driven platform

Troubleshoot complex backend issues, perform root-cause analysis, and provide long-term improvements ... sure you're a good fit for the role: Key Responsibilities Design, build, and maintain scalable backend ... Develop and optimize RESTful APIs, microservices, and backend components following best engineering practices ... Must-have Skills 5+ years of backend engineering experience working with Java and Spring Boot in production

JavaScript, React/Angular).Performance optimization techniques (lazy loading, caching, CDN, minification).Backend ... testing tools (e.g., JMeter, Gatling, LoadRunner, k6).Experience with frontend monitoring frameworks and developer ... SLAs.Analyze frontend performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer

for our data-intensive web app Build and maintain a robust and scalable backend infrastructure to power ... frontend and backend cloud infrastructure at scale in a production environment (DevOps) Ability to work ... ) Experience with building responsive web applications and scalable backend services Comfortable managing ... with React/NextJS/TypeScript/NodeJS Very comfortable working across the stack (primarily frontend and backend ... Engineer on the team, you will be responsible for building a sleek frontend user experience, a scalable backend

Must Have 4+ years of experience in backend development using Node.js and TypeScript. ... a strategic CRM and customer data ecosystem, contributing to the design and development of scalable backend ... What you'll do Design and develop new backend functionalities using Node.js and TypeScript, following ... This is a hands-on backend role where you will work closely with Data Engineering, Digital Product, Integrations

This is not a generic "backend role". ... Barcelona (Only EU Visa Holders) We are looking for the strongest Senior Backend Engineer (Node.js) in

Requirements 7+ years of experience as a full-stack developer. ... We are looking for a Senior Full-Stack Developer to take a key role in our development team — setting

Your Tasks As a Senior Salesforce Developer, you will join an international engineering team focused ... Salesforce certifications such as Platform Developer or Service Cloud Consultant are a strong plus.

We are looking for a versatile and motivated Junior Software Developer eager to grow professionally and

s make sure you’re a good fit for the role:Key ResponsibilitiesDesign, build, and maintain scalable backend ... Spring Boot in a cloud-native AWS environment.Develop and optimize RESTful APIs, microservices, and backend ... , contributing to decisions that ensure scalability, security, and performance.Troubleshoot complex backend ... monitoring, and CI/CD pipelines to improve development and deployment workflows.Must-have Skills5+ years of backend

Must Have 4+ years of experience in backend development using Node.js and TypeScript. ... What you’ll do Design and develop new backend functionalities using Node.js and TypeScript, following ... a strategic CRM and customer data ecosystem, contributing to the design and development of scalable backend ... solutions that support CRM, Loyalty, Customer Experience, and Customer Analytics teams.This is a hands-on backend