80 backend developer English-speaking jobs in Catalonia

Backend Software Developer (Golang) Sant Joan Despí, Barcelona | Hybrid (3 days remote) We're looking ... for a Backend Software Developer to join a highly collaborative engineering team, where you'll work ... Developers with strong experience in Java, Kotlin, or other modern backend programming languages are ... You'll Be Doing • Design, develop, and maintain high-quality, reusable, testable, and maintainable backend ... Even if your background is primarily in Java, Kotlin, or other backend technologies, we'd still love

Join our team as a Full Stack Developer! ... Your role will involve both frontend and backend development, collaborating closely with architects, ... B2 level) Technical skills Frontend Strong knowledge of Angular Solid experience with TypeScript Backend ... responsibilities will include: Developing and maintaining web applications using Angular and TypeScript Building backend ... Familiarity with AI-assisted coding environments and developer productivity tools.

Asian markets Senior Backend Developer Work directly with the design and production departments ... departments to create beautiful software and mobile apps for the Southeast Asian markets Junior Backend ... Developer Work with the team in the development of beautiful software and mobile apps for the Southeast ... development of beautiful software and mobile apps for the Southeast Asian markets Senior Android Developer ... market and the company Recognize improvements to keep quality service of our products Junior Android Developer

Developer Solution Architect ... Improve maintainability, scalability, and developer experience in the codebase. ... Comfortable working across frontend, backend, and product concerns. ... This is not a pure visual frontend role, nor a backend-only platform role. ... The primary technologies are Angular on the frontend and NestJS on the backend.

We are looking for a Senior Frontend Developer to join our Onsite Team in Barcelona. ... Bridge Frontend & Backend: Collaborate closely with backend engineers to integrate payment providers ... Basic backend knowledge (REST APIs, databases). ... Experience working in a product team alongside designers and backend engineers. ... Backend (for context): NestJS, MedusaJS (self-hosted). Infrastructure: PostgreSQL, microservices.

HaveExperience in startups, scale-ups, or deep-tech comp aniesExposure to AI-native products, data platforms, developer ... The R oleYou'll work across backend systems, cloud infrastructure, data workflows, AI-enabled services ... They're Looking ForStrong experience building and operating production software sys temsExpertise in backend

Drive continuous improvement in developer productivity and developer experience, ensuring high-quality ... Strong hands-on technical background (e.g., Backend Engineer) with the ability to lead cross-functional ... Your Profile: Experience Minimum 5 years of experience as Software Developer (JAVA) and almost 3 years

Mission Description As a Full‐Stack Developer (Angular / Java), you will be responsible for designing ... Ensure seamless integration between frontend and backend systems. ... Understanding of frontend‐backend interaction patterns (REST, BFF, etc.). ... Technical Skills Strong experience in Java (Spring Boot) for backend development. ... , developing, and integrating end‐to‐end application features, bridging the frontend and backend layers

We are looking for a Senior Full Stack Software Developer to help us scale AI assets and develop innovative ... You will be responsible for developing scalable backend services, building intuitive frontend interfaces ... we're looking for: Technical Mastery: Senior expertise in Full Stack development combining Python (backend

Who you are: Must-Haves: Proven professional experience in backend software engineering (we are hiring

Backend/API dependencies and their impact on frontend performance. ... Experience with frontend monitoring frameworks and developer tools. ... Analyze frontend performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer

benefits) Are you a hands-on backend engineer who loves building systems that scale? ... Senior Backend Engineer (Python/Django) Barcelona (Hybrid) | Full-time | Fintech Up to €110,000 (plus ... What You'll Be Doing Designing and scaling backend systems using Python/Django Owning architecture in ... a senior/staff-level, highly hands-on engineering role focused on designing, building, and scaling backend ... Django, AWS, Docker, Kafka, PostgreSQL, Redis, MondoDB and Datadog What We're Looking For 10+ years of backend

As a Senior Backend Integration Engineer (C#/.NET, Salesforce), you will play a key role in shaping and ... You will drive the design and implementation of reliable, scalable, and maintainable backend integration ... existing integration flows, identifying improvement opportunities and reducing system complexity. • Own backend

We are looking for a Genesys Cloud Developer. ... such as Cognigy.AI, PAX CRM, customer data platforms, authentication services, and Lufthansa Ground backend

If you're passionate about building robust backend systems and working at the intersection of AI and ... Polyglot developer: comfortable to constantly get your hands on new libraries, frameworks and technologies

We have 8 cross-functional teams, including a dedicated Platform team focused on infra and developer ... Furthering Developer Experience (DevEx) by mentoring others in writing code that is intuitive, clear, ... Strong proficiency with Python and Backend-Engineering Strong experience with async/concurrent programming ... maximise our productivity What will you own In this role, you will own and support the development of backend

Role: Backend Engineer - Python/AWS Salary: €80,000-€90,000 Location: Barcelona-Based Remote Working ... What you'll be doing: Build and scale modern Backend applications using Python (FastAPI) Work closely ... Contribute to Backend architecture, component systems and overall engineering standards Collaborate with

Order Execution Architecture: Lead the backend logic for our order execution and routing workflows. ... You will be responsible for the backend logic that connects internal ledgers with external liquidity ... You will ensure communication between our backend, liquidity venues, and market data feeds is seamless ... You will dive deep into backend data to audit transaction logs, reconcile internal balances with external ... Backend Transactional Architecture: Design and document end-to-end buy, sell, and swap transaction lifecycles

a team of developers to improve the performance, resilience, and scalability of our systems • Build backend

Experience with Python-based backend frameworks like FastAPI or Flask for API development. ... Implement API-centric architectures that ensure clean separation between frontend and backend services ... who take pride in building secure, scalable systems that bridge frontend user experiences with robust backend ... Champion observability practices by integrating logging, metrics, and monitoring into both frontend and backend