73 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

About you: 6–10+ years experience as a Full-Stack Developer. ... Node.js / Typescript on backend and frontend (mainly Vue.JS).. ... About the Role We're looking for a hands-on Full-Stack Developer to join our scaling tech team and ... collaborate closely with the tech team across the full development lifecycle — refining frontend & 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

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

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

Your new companyOne of the leading electronics retail companies in Europe is looking for a new developer ... responsible role in the development of our Customer & Marketing web applications and the associated backend ... implementing applications with React and the latest TypeScript standards.In case you are a Fullstack for the backend

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

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

Senior 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

I'm looking for a Senior Python Developer to join a next generation Cyber Security start up based ... expertise (strong async, performance optimization, distributed systems)Experience building scalable backend

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

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

addressing not only their needs but also capturing their essence.We are currently looking for a Sr Backend ... part of a dynamic engineering team, responsible for designing, developing, and maintaining scalable backend ... worldwide, supporting hundreds of hotels in improving their online performance.The Mission:As a Senior Backend ... systems that support high-traffic, data-driven web applications.The Role:Design, develop, and maintain backend ... What we are looking for:5+ years of professional experience in backend software development.Strong experience

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

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

coverage and build traceability to requirements• Coding and implementation of automated tests in both Backend ... looking for:• Approximately 5-7 years of related experience• High/Medium SW Test automation experience:o Backend

withdrawals and transaction monitoring.Practical smart-contract experience (Solidity or equivalent).Backend ... align blockchain logic with regulatory requirements.Backend & SystemsIntegrate blockchain logic into backend

systems supporting advanced ML workflows.You’ll play a key role in developing and maintaining robust backend ... Master’s degree in Computer Science, Engineering, or related field.Strong proficiency in at least one backend ... experiences.Develop and optimize server-side logic using Python, Java, Node.js, or .NET.Architect scalable backend

Reporting to the Lead Developer, the Software Engineer contributes to the technical direction of projects ... Key Stakeholders: Reports to: Lead Developer Works with: Product Owners External interactions: May collaborate

Senior Front End Developer (Angular) Summary Location: Barcelona (Hybrid) Day Rate: NegotiableDuration ... They are looking to hire an experienced Front-End Developer on a contract basis for an initial contract ... until the end of 2026.About the Role We are seeking a talented and experienced Front-end Developer with