109 backend developer English-speaking jobs in Catalonia

As a Backend Engineer at N26, you will be encouraged to embrace the latest technological updates and

developer in our company, you'll help in the design, building and evolution of our end-to-end platform ... Experience working across the stack (backend + some frontend), ideally with Razor Pages and/or Blazor ... In our team, you'll work across the stack, with a strong focus on backend services, APIs, and Azure ... please refer to the following website: https://www.mylife-diabetescare.com/en/ Your mission As a .NET backend

Take your career to the next level with Amaris Consulting as a Backend & Reporting Developer. ... & Reporting Developer to join our team and support the migration of legacy reporting systems to a modern ... The role requires both backend development and reporting skills, working closely with front-end developers ... potential and make a real difference within the company.Role Overview:We are looking for a highly skilled Backend ... ensure accurate and reliable information for event operations.Key Responsibilities:Develop and maintain 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

We're hiring: React Native Developer (Expo) @ Dopelist On-site in Barcelona | Full-time About Dopelist ... About the Role We're looking for a strong React Native developer to help us build and evolve the ... between backends/services Our Tech Stack Mobile: Expo, React Native, TypeScript, NativeWind, Zustand Backend ... similar state management Background with animation libraries (Rive, Lottie, Reanimated) Understanding of 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

Your Impact as a Senior Developer As a Senior Fullstack Developer, you'll lead the design and delivery ... Strong experience with NestJS (backend) and React (frontend). ... What You'll Do Lead the design and implementation of complex, scalable solutions across backend and ... Build and maintain robust backend services with NestJS, optimizing PostgreSQL for high-volume data processing

Collaborate closely with backend developers, and product owners to deliver end-to-end solutions. ... While the main focus will be on the frontend, exposure to backend and cloud-native technologies is a ... QualificationsRequired Qualifications: Proven experience as a Frontend Developer with strong knowledge ... Job DescriptionAbout the Role: We are looking for a skilled Senior Frontend Developer with strong experience

maintaining APIs and backend systems. ... Candidate profile We are looking for a Mid BackEnd Engineer with hands-on experience in developing and ... You'll design and develop scalable backend services that process and expose data through APIs used ... University degree in Computer Science or equivalent practical experience. • 3-5 years of experience in backend

We are looking for a Senior or Junior Full Stack Developer to join our team and contribute to the development ... knowledge of JavaScript and TypeScriptExperience building and consuming REST APIsGood understanding of backend ... environment.This role requires strong expertise in front-end engineering (React/Next.js), solid understanding of backend

and optimizing algorithms for large-scale data handling Contribute to the overall architecture of our backend

Role Summary: The Lead Backend Engineer will oversee the backend architecture and development for the ... Key Responsibilities: ● Define and drive the backend technical roadmap and architectural vision. ● Lead ... This individual will be responsible for making high-level design choices, leading a team of backend engineers ... Ensure the team delivers high-quality, tested, and secure code. ● Mentor and manage a team of senior backend ... Experience: ● A minimum of 8+ years of professional backend development experience, with proven leadership

Be a Part Of a Team Where You Will Design and build backend services, APIs, and developer tools that ... You will focus on designing and implementing backend services and platform components, ensuring that ... Qualifications 4+ years of experience as a software or backend engineer building production-grade systems

Work closely with the Lead Backend Engineer to deliver high-quality, scalable, and reliable backend solutions.Key ... Role Summary: Build and maintain core backend services and APIs for the platform. ... experience.Familiarity with infrastructure-as-code (Terraform, Chef) is a plus.Experience5+ years of professional backend

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

Role: Senior Backend Engineer (.Net)Location: Barcelona, SpainJob Type: ContractRole Summary:The Senior ... Backend Engineer will play a critical role in building the core services and APIs for the project. ... Working closely with the Lead Backend Engineer, this role will be responsible for writing high-quality ... the overall technical excellence of the platform.Key Responsibilities:● Develop, test, and maintain backend ... infrastructure as code is a plus (Terraform, Chef).Experience:● A minimum of 5+ years of professional 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

Full Stack Developer (Typescript) $45k to $60k • No equity Remote (Everywhere) • New York City • Barcelona ... Lisbon • Bogota Full Time About the Job We are seeking a highly skilled and experienced Fullstack Developer

SAP ABAP HCM Developer with integration capabilities to support a major transformation project in SAP ... SPAIN Position: SAP ABAP HCM Developer Location: Barcelona Role Overview: We are looking for an experienced