214 backend developer English-speaking jobs in Catalonia

ABOUT THE ROLE We are looking for a Python Backend Developer to build and extend the backend of an internal ... developer portal and dashboard, using AI coding tools in daily work. ... WHAT YOU WILL DO Continue the development and extension of the internal developer portal and dashboard ... MUST HAVES Python Expertise: Strong hands-on backend development experience of at least 4 years using ... Design, build, and maintain a robust custom Python backend to support core application features.

We are currently looking for a qualified Backend Developer Join an international division and work alongside ... Performance Optimization: Ability to optimize backend systems for real-time data. ... Optimize backend performance for real-time data and the parallel operation of multiple devices. ... Support device operation, configuration, monitoring, diagnostics and servicing through backend services ... Ensure backend implementation meets project requirements for security and maintainability Requirements

experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend

About the role We are looking for a Backend Developer with experience in Python and AWS Cloud technologies ... Experience in Backend Development with Python. ... Develop backend services and automation scripts using Python and Shell.

Feature Developer: Contribute to new features, bug fixes, and optimizations.

Developer Platform: Help develop shared libraries, SDKs and developer-facing infrastructure that make ... Experience with role-based access control, API security or developer platforms. ... Build the Security Infrastructure Powering Global Investing Have you built and operated scalable backend ... You'll join a small engineering team with significant ownership across backend services and frontend ... Strong backend engineering skills, with experience designing, building and operating production services

Developer (Delta Team) to help drive our Operations function from our Barcelona hub. ... our successful expansion into the U.S. and continued growth across Europe, we are seeking a Senior Backend ... Задачи: Design, build, and own Leadro's core backend services, from data models to APIs Build and maintain ... agentic workflows, enrichment pipelines, and intelligent automation Set technical direction for the backend ... decisions CS degree or equivalent practical experience Expert-level Node.js and NestJS in production backend

Design and implement backend services, APIs, business logic, and third-party integrations. ... Strong full-stack capabilities, with the ability to work independently across frontend and backend. ... We are currently looking for a strong Senior Full-Stack Developer to join an international engineering ... and backend, take ownership of features from initial design to production, and contribute to architectural ... About The Role We're looking for a Senior Full-Stack Developer who can work confidently across frontend

About the role We are looking for a Backend Developer to join the Supplier onboarding and Quote Management ... About the role We are looking for a Backend Developer to join the Supplier onboarding and Quote Management ... You will work on an existing Python/C# backend and create new services. ... You will work on an existing Python/C# backend and create new services.

If it sounds like you, this could be the perfect opportunity to join EPAM as Senior SAP CAP Java Developer ... Responsibilities Architect and drive development of applications, backend services and APIs focusing ... We are seeking a talented SAP CAP Java Developer to lead the design and development of innovative applications ... Good knowledge of common technology patterns such as REST and event-driven architecture Proficiency in backend

internal tools, SSR/edge rendering, and lightweight Node.js services Improve speed, Core Web Vitals, and developer ... experience Collaborate with Product, Design, and Backend to deliver complete features focused on quality ... плюсом: UI performance optimization, design systems, accessibility testing, SSR/edge rendering, Node.js, backend

As a Senior Frontend Developer, you will play a pivotal role in designing, developing, and maintaining ... You'll work closely with cross-functional teams, including product and backend engineers, to deliver ... What You'll Do: Lead the iOS build of our React Native app, working closely with product and backend. ... seamless, high-quality experiences across web and mobile devices, and we're looking for a Senior Frontend Developer

and guide architecture, design, and solution consistency decisions Coordinate multidisciplinary AI, backend ... solutions and automation projects Able to act as a technical reference without working as a full-time developer

Responsibilities As a Backend Developer at Touché, you'll collaborate with the development of a wide

have strong opinions on REST design and webhook reliability, and can have a real conversation with a backend ... Shape the developer experience — make travel.tech the easiest travel API to integrate. ... Support docs, sandbox, SDK quality, and onboarding flows for the target developer personas. ... Own the full developer lifecycle: endpoint design, versioning strategy, webhook architecture, and sandbox ... modes before you think in features. 5 – 8 years as a Product Manager, with at least 2–3 years leading a developer

As a Senior Java Developer, you will play a key role in the design, development, deployment, and operation ... You will be a core member of multidisciplinary squads, combining your backend development expertise with ... Требования: 7+ years of experience as a Backend Engineer working with Java (Java 11 or higher) and Spring

services, tooling, and design system Ensure a great developer experience and continuously improve performance ... Whether you're shaping frontend architecture, contributing to backend services, maintaining our Design ... Core team to ship high-quality features quickly Contribute to and evolve our frontend architecture, backend ... Shadcn, Felte + zod Testing : Vitest (unit), Playwright (E2E) Design System : Custom-built (MeltUI) Backend ... fluent in TypeScript , comfortable with modern frontend frameworks, and able to contribute to Node.js backend

Building integrations, automations, internal tools, and AI-powered features Improving our architecture, developer ... problem definition to production and validation Building across the stack, with a stronger focus on backend ... in hiring What You'll Need 5+ years of experience building and operating production software Strong backend

Computer Science, Software Engineering, or a related field. 5+ years of professional experience building backend ... Platform Engineering: Design, build and maintain core components of our internal developer platform — ... at dLocal, you will be a senior technical reference for how we design, build and evolve our internal developer

We are looking for a Backend Engineer who is excited to build modern, reliable backend services and grow ... This role is perfect for someone who already has hands-on backend experience and is ready to level up ... c and TypeScript Solid understanding of backend fundamentals, including asynchronous programming, API ... Role requirements 2-4 years of professional experience as a backend or full-stack engineer, working with ... Your Responsibilities on this role You will build and maintain backend services using Node.js and TypeScript