63 backend developer English-speaking jobs in Catalonia

We're hiring a Backend Engineer - someone who'll own the backend systems that power our crypto ... Benefits Generous pay & developer-first culture: Work with a high-impact, well-compensated team in Barcelona ... Your profile 3+ years of backend experience building production systems in Go and TypeScript. ... What you'll do Design, implement, and operate scalable, resilient backend services handling millions

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

Strong backend experience with Node.js (Express or similar). ... Like backend challenges around real-time data, scalability, and reliability. ... Role Description We are seeking a Full Stack Developer for a full-time, on-site role at our Barcelona ... The Full Stack Developer will design, develop, and maintain both front-end and back-end functionalities

Team player able to communicate with a senior backend developer and CEO. ... Ensure code quality, security, and best practices across all backend services. ... At least 4 years of backend engineering experience, ideally within a scaleup environment. ... Key Responsibilities Develop and maintain scalable backend systems and APIs using Node.js and Adonis.

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

collaborative work environment, where you will have the opportunity to learn and grow as a software developer ... team.Design, build, and review scalable frontend solutions using React and modern frontend practices.Drive backend

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

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

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

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

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.

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

Groovy Script, XSLT and foundation ABAP knowledge Experience in the development and extension of SAP backend ... Implementing customer requirements with the SAP Integration Suite and other integration tools in the SAP backend

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