95 backend developer English-speaking jobs in Barcelona

of experience as a backend developer; Experience in developing Node.js applications for at least 4 ... At this stage of our journey we're looking for Backend Developers Requirements: At least 5 years

Position: Backend Developer Location: Barcelona, Spain - Hybrid work Job Type: Contract Responsibilities

will be responsible for full-stack development, from designing responsive UIs to implementing robust backend ... Use Eclipse or PL/SQL Developer for development and debugging. ... Role: Java Web Developer Location: Barcelona, Spain - Need to travel 3 days a week to the Gamma office ... interview Number of positions – 1 JD: We are seeking a highly skilled and experienced Java Web Developer

Job Requirements:- Proven experience in engineering and delivering software products. Deep knowledge and extensive development experience with Java, Spring Boot, APIs, and microservices architectures. Strong understanding of cloud environments, particularly AWS, with experience in technologies such as Lambda, EKS, and ECS.

Who we are Quantion is a Business Digital Transformation services company born in 2015. We have +120 professionals in application development, UX/UI and digital business transformation to build innovative solutions oriented to business results.

YOUR IMPACT As a Fullstack Developer, you’ll be instrumental in building end-to-end features across our ... Strong experience with NestJS for backend development and React for frontend. ... Build and maintain robust, scalable backend services and modern frontend interfaces. ... Collaborate cross-functionally with design, product, and backend teams to deliver full-stack solutions

This role is ideal for a senior developer who thrives in autonomous environments, is proactive, and brings ... to/ knowledge of front-end Experience with large-scale systems or high-load environments Strong backend ... tools.You will work in a cross-functional team to design and develop scalable systems, contributing both to backend ... data engineering, product, and infrastructure Requirements 5+ years of experience in Fullstack or backend-complex

About the Role: We are looking for a talented and motivated Full Stack Developer to join our growing ... Backend (at least one of the following): Python: FastAPI, Flask, or Django. ... maintaining high-performance web applications using React with Vue components on the frontend, and backend

As a .NET Developer with expertise in Machine Learning (ML), Natural Language Processing (NLP), and ... · Implement backend and frontend solutions, ensuring code quality and performance. ... Backend-Focused Skills: Proficiency in C# language. Experience with .NET APIs and ASP.NET.

Requirements: -5/6+ years of experience as a professional software developer. ... -Experience with Python or another backend language. -Experience in mentoring or management roles.

Whether you're early in your journey or a seasoned developer, we welcome those who strive for technical ... The Opportunity We’re looking for a Backend Engineer to join our Data and AI Engineering team. ... Clear grasp of security fundamentals and how to apply them in backend service development. ... Core Experience & Skills Experience with Python-based backend frameworks like FastAPI, Flask, or similar ... Build modular backend components that follow software engineering best practices (e.g., SOLID, DRY, separation

We're now looking for an experienced Lead Backend Engineer to lead our backend efforts — someone ... Do you love building robust, scalable backend systems, from architecture to production, and mentoring ... Design architecture: Own backend architecture decisions, collaborating closely with our infra and ... What You’ll Do Be 100% hands-on: Build, maintain, and scale backend systems in Python/Django . ... Lead & mentor: Guide a growing team of backend engineers through mentorship, technical leadership, and

As a full-stack developer, you develop various frontend and backend applications and micro-services. ... the following characteristics: Following skill set: Frontend: Angular, TypeScript, Cypress Backend

We seek a skilled Android Developer to enhance our web presence and platform functionality. ... Backend & Infrastructure Develop and optimize server-side applications and microservices that power ... integrate machine learning models, autonomous agents, and other advanced AI techniques into Unity and backend

As a Senior Software Developer, you will contribute to a dynamic and cross-functional team that drives ... Your challenge Have you started your journey in backend or frontend development and gradually expanded ... Develop reliable backend functionality using Java and Go Experience with databases with SQL (e.g

Senior Backend Engineer - Barcelona (Hybrid) - CleanTech / EV Charging - Up to €70k Location : Barcelona ... We are now hiring a Senior Backend Software Engineer to join their agile, cross-functional team. ... You’ll design and develop core backend services that manage communication between EV chargers, energy ... new products and features Participate in code reviews Qualifications 5+ years of experience in backend ... high-performance, maintainable code in Java/Kotlin, Kafka and Kubernetes Architect, build, and maintain backend

Strong Java backend development skills (essential). ... Shape both the infrastructure and backend of a cutting-edge CleanTech platform. ... Develop and support backend services in Java (Spring Boot, Quarkus, or similar) . ... Senior DevOps & Backend Engineer – CleanTech Start-Up A fast-growing CleanTech start-up is seeking ... The Role: This is a high-impact hybrid position , combining DevOps leadership with Java backend

Possibility to integrate with backend and infrastructure teams if interested, allowing for cross-functional ... What you will do: Aistech Space is looking for an FPGA developer to work on SDR satellite technology ... Open minded FPGA developer with 3 -5 years’ experience in FPGA modules for RF applications with basic

thoughtful, self-directed, and thrive in fast-paced, low-process environments Bonus: experience with backend ... Migrate legacy frontend code to a modern hybrid stack Contribute to the architecture, reliability, and developer

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