96 backend developer English-speaking jobs in Catalonia

At Capitole we are looking for a PHP Backend Software Engineer to join the development team to help build ... If you are passionate about backend development, clean architecture, and modern cloud-native environments ... We're looking for someone with: 5+ years of backend experience with PHP & Symfony Strong knowledge ... You will work on the development and maintenance of backend systems platforms, ensuring optimal performance ... new technologies (Golang / Python is a plus) In this role you'll: Build and maintain scalable backend

At Kenos Technology we are looking for a Backend Developer with over 3 years of experience, advanced ... Python and Django Contribute to backend services written in Golang where performance and concurrency ... Responsibilities: Backend Development Design, build, and maintain scalable, high-performance APIs using ... maintainable, and well-tested code aligned with project goals Requirements 3+ years of experience in backend

You will be the main developer responsible for the backend service, with a strong focus on performance ... While backend expertise is essential, you should also have solid experience in modern frontend development ... , but not a main requirement—our infra team handles deployments and operations.ResponsibilitiesLead backend ... decisions and drive architectural improvements.Proactively propose and implement enhancements on both backend ... and frontend.Ensure backend and frontend code are well tested, using Playwright for end-to-end and integration

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

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

architecture.Write unit and end-to-end tests to maintain quality.Collaborate closely with UX designers and backend ... Contract React Developer Location: Hybrid – Must be available in Barcelona office 2 days per week (Thursdays ... is partnering with a leading global client whose eCommerce team, We’re looking for a Contract React Developer

chops.Familiarity with observability tools (Prometheus, Grafana, OpenTelemetry).BenefitsGenerous pay & developer-first ... Engineer - someone who’ll own the backend systems that power our crypto and self‑custody platform. ... deep expertise in Go, and TypeScript.What you’ll doDesign, implement, and operate scalable, resilient backend ... developers focus on building great products instead of managing complex crypto tooling.We're hiring a Backend ... database schema design to distributed cache strategies and sharding approaches.Your profile3+ years of backend

We are looking for a Full Stack Developer with a heavy backend emphasis to join our Growth Team.

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

Your ProfileWe are looking for a Senior Full Stack Developer (React / Next.js + Python) to join a strategic ... and international environment.4–5+ years of experience with React and Next.jsExperience developing backend

Location: Hybrid (Barcelona, Spain; 2–3 days in-office)Seniority: SeniorPosition: Backend EngineerSalary ... : €60,000 – €85,000 + phantom shares & benefitsWe are looking for a Senior Backend Engineer to join a ... highly technical robotics software team building backend systems for autonomous inspection robots. ... About the RoleThis is a hands-on senior backend role for someone who enjoys ownership, autonomy, and ... You will design, implement, and maintain production backend systems that are reliable, scalable, and

under strict latency and quality requirementsMinimum Qualifications5+ years of experience in ML or backend ... healthtechHighly collaborative, senior technical teamFully remote role based in BarcelonaFun off-sites and strong developer

.NET, PostgreSQL, and ReactComfortable working with AWS, Docker, and GitHubActively uses AI-powered developer ... company.Bachelor's degree in Computer Science or equivalent practical experience6+ years of professional backend

tooling, Node LTS policy, TypeScript standards, testing posture and CI templatesDesign robust frontend backend ... strategyEnsure accessibility, security and internationalisation are built into the architectureDrive developer

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

that your unique skills, passion and superdrive will help us achieve our vision.As a Senior Frontend Developer ... Next.js, and modern JavaScript/TypeScriptCollaborating closely with product managers, designers, and backend

customer experience and business growth.Your new roleDesign, implement, maintain and operate robust backend ... knowledge in server-side backend developmentHands-on experience with event-driven architecture and GCP ... 5+ years of professional experience as a software developerExperience with Kotlin (JVM) for backend developmentExtensive

Software Engineer – Java, you will play a key role in designing, building, and scaling high-performance backend ... in Computer Science, Software Engineering, or a related field.7+ years of professional experience in backend ... decisions and engineering best practices.Key ResponsibilitiesDesign, develop, and maintain high-quality backend

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 ... than just point-to-point integration projects.Drive the product vision & roadmap for the Dow Jones Developer ... understanding of API architectures (REST, GraphQL, Event-Driven), platform technologies (API Gateways, Developer ... API offerings.Foster an "API-as-a-Product" mindset and a culture of consistency, quality, and developer-centricity

who take pride in building secure, scalable systems that bridge frontend user experiences with robust backend ... including hooks, state management, and component lifecycle management.Experience with Python-based backend ... similar frameworks.Implement API-centric architectures that ensure clean separation between frontend and backend ... principles.Champion observability practices by integrating logging, metrics, and monitoring into both frontend and backend