1119 backend developer English-speaking jobs in Catalonia

Senior Backend Software Engineer, Auxiliary Squad 1 week ago Be among the first 25 applicants Diabolocom ... Team Composition 3 backend developers 1 team lead What We’re Looking For 10+ years in software ... of our exponential growth, we are strengthening our internal engineering team and opening a Senior Backend ... Authentication Services, which handle large volumes of traffic and serve as the entry point for all backend

What you will do Lead backend development: design, implement, and maintain scalable backend systems in ... Python; Contribute across the stack: while backend is the main focus, be open to occasional frontend ... About the role This role offers the chance to lead backend development and shape a next-generation AI-powered

Integrate applications with backend services and distributed systems. ... Collaborate with backend and infrastructure teams for seamless integration. ... You will collaborate closely with backend, infrastructure, and product teams to deliver high-quality, ... technical, focusing on mobile system design, performance, and seamless interaction with distributed backend

responsible role in the development of our Customer & Marketing web applications and the associated backend

or further developing your skills in backend development. ... On the backend side, you will collaborate with services built in Java 21 and Spring Boot, gaining exposure ... You will work closely with product, UX, backend and validation teams to deliver secure and compliant ... In parallel, you will collaborate with backend services and gradually contribute to other areas of the ... across the stack, contributing not only to the frontend (around 25% of the workload) but also exploring backend

As a Full-stack Junior developer you will work using ReactJS and Ruby on Rails. ... We are looking to recruit a junior developer to join our team of developers with experience and passion ... This is an excellent opportunity for a talented developer looking to expand their experience in web application ... both from day one through our training program, and supported by the rest of the team as you grow your Developer

and improving our mobile app, but you’ll also be comfortable stepping outside mobile—contributing to backend ... You’ll Do Lead development of iOS mobile apps for live professional sessions (Swift) Contribute to backend

and improving our mobile app, but you’ll also be comfortable stepping outside mobile—contributing to backend ... ’ll Do: Lead development of iOS mobile apps for live professional sessions (Swift) Contribute to backend

//Internship FullStack Developer# Internship FullStack DeveloperINTERNSHIPBarcelona## Internship FullStack ... Developer Opportunity### Company DescriptionWe are a startup studio located in Paris, Amsterdam, and ... ReactJS, Node.js, ReactNative, MongoDB, PostgreSQL, and Tailwind.### Job TitleInternship FullStack Developer

We’re looking for a Backend Software Engineer - AdExchange to join our tech team and help build the future ... Your Challenge You Will Be Architecting, Refining And Developing The Backend Services That Power Our

Backend Engineer will design, develop, test, and maintain software in a hybrid role based in Barcelona or Berlin. Experience with JVM languages, Spring Boot, microservices, and cloud architecture is required.

Backend: PHP and/or C# (or equivalent experience) Frontend: React, React Native APIs, integrations,

Senior Software Engineer - Backend at Blacklane As a Senior Software Engineer, you will be part of one

As a Senior Backend Engineer At Fourthline, You Will Design, develop, maintain, and improve our microservices ... Verification (BAV) + Qualified Electronic Signatures (QES) teams in Barcelona — we’re looking for a Senior Backend

FPGA Developer (Freelance – Remote – 6‑month contract) We are looking for an FPGA Developer to join ... As an FPGA Developer, you will contribute to the FPGA development of a complex system that integrates

What You’ll Do Take full ownership of backend services from design through deployment, maintenance, ... and continuous improvement Design, develop, and maintain scalable, high‑performance distributed backend ... looking for a Senior Python Engineer to own, design, build, and maintain high‑performance distributed backend ... and support production issues as needed What We’re Looking For 5+ years of professional Python backend ... junior engineers through code reviews, architectural discussions, and knowledge sharing Own critical backend

Build and maintain secure and scalable RESTful and/or GraphQL backend services, integrating internal ... Strong backend engineering proficiency with Python, using frameworks such as FastAPI, Flask, or Django ... modern web applications supporting scientific and AI workflows, including frontend user interfaces, backend ... PhD is a plus). 5+ years of professional experience building production‑grade web applications and backend

Integrate mobile applications with complex backend APIs and distributed systems. ... Work closely with backend and infrastructure teams to ensure seamless system integration. ... You will work closely with backend, infrastructure, and product teams to deliver secure, performant, ... role focused on mobile architecture, performance optimization, and seamless integration with complex backend

Role As a Node.js Engineer, you will play a key role in designing and building a modern, scalable backend ... Responsibilities Design and develop scalable backend services, contributing to the evolution of a modern ... and future growth of the platform Requirements 5+ years of experience building and maintaining backend ... distributed services Strong proficiency in Node.js and TypeScript for building scalable, maintainable backend

We are looking for a talented and motivated Backend Engineer (Mid-level) (m/f/d) for our Supply Operations