63 backend developer English-speaking jobs in Catalonia

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

Benefits Generous pay & developer-first culture: Work with a high-impact, well-compensated team in ... We're hiring a Backend Engineer - someone who'll own the backend systems that power our crypto ... 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

focus on automation, reliability, and developer enablement. ... This role sits at the intersection of SRE, Platform Engineering and Backend Engineering, with a strong ... platform used by multiple teams and services High ownership and impact on platform reliability and developer

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

deploy and operate services at scale.This role sits at the intersection of SRE, Platform Engineering and Backend ... Engineering, with a strong focus on automation, reliability, and developer enablement.ResponsibilitiesDesign ... critical platform used by multiple teams and servicesHigh ownership and impact on platform reliability and developer

Backend collaboration: Collaborate on backend development tasks using Node.js with Fastify as needed. ... Familiarity with backend development, particularly Node.js with Fastify. ... The role demands proficiency in frontend technologies, some analytical skills, familiarity with backend ... API integration: Integrate and optimize APIs for seamless communication between frontend and backend ... will focus on building user-centric, responsive, and performant web applications while contributing to backend

React Developer We are:Wizeline, a global AI-native technology solutions provider, develops cutting-edge ... You will collaborate closely with product, design, and backend teams to deliver high-quality, accessible ... streamline workflows.Experience with performance optimization and front-end testing frameworks.Exposure to 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

The role demands proficiency in frontend technologies, some analytical skills, familiarity with backend ... will focus on building user-centric, responsive, and performant web applications while contributing to backend ... needed.API integration: Integrate and optimize APIs for seamless communication between frontend and backend ... responsive and user-friendly interfaces using React and Next.js.Backend collaboration: Collaborate on backend ... data pipelines or frontend data visualization libraries (such as D3.js or Chart.js).Familiarity with backend

Backend & Systems Integrate blockchain logic into backend services and APIs. ... Backend experience with Python, Node.js, Rust or Go.

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

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

Drive the product vision & roadmap for the Dow Jones Developer Portal. ... Including any redesign or functionality & capabilities improvements to truly embrace a developer-centric ... advanced strategic thinking and technical fluency to focus on corporate standards, compliance, and developer ... Foster an "API-as-a-Product" mindset and a culture of consistency, quality, and developer-centricity ... understanding of API architectures (REST, GraphQL, Event-Driven), platform technologies (API Gateways, Developer

The Frontend Developer will be responsible for developing and implementing user-facing features using ... Role Description This is a full-time hybrid role in Barcelona (Spain) for a Frontend Developer at Knox

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.

for Core Web VitalsIntegrate front-end applications with headless CMS platforms (e.g., Strapi) and backend ... through unit testing, code reviews, and adherence to best practicesIdentify and troubleshoot frontend and backend ... collaboration with QA engineers and cross-functional stakeholdersCore Skills/Experience6+ years in frontend and 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

Barcelona (Only EU Visa Holders)We are looking for the strongest Senior Backend Engineer (Node.js) in ... already used by real customers, and with a roadmap that is genuinely ambitious.This is not a generic “backend

Prioritize features enabling SDLC automation and integration with developer and security tools (CI/CD ... Professional Experience 5–8 years of experience in software engineering, developer platforms, or engineering

Job Description We're hiring a Senior Android Developer to join the Quick Commerce Global Services