88 backend developer English-speaking jobs in Barcelona

Game Path is working with a major mobile game developer based globally, actively seeking a Senior UI

Position Overview: Socialpoint is excited to welcome a Senior Tech Developer to our Game Development ... The Senior Tech Developer will be responsible for evolving and enhancing our internal game development

identify opportunities for performance optimization and architectural improvements; Collaborate with backend

Engineer focused on our platform, you will lead the infrastructure and functionality of our internal developer ... portal, supporting and developing integrations that enhance our platform and improve the developer experience

natural part of the journey, not a detour Collaborating Across Teams: Partner with product, design, backend

You are comfortable diving into the Backend to refine an API or adjust business logic in Python to ensure

Main Responsibilities Design and architect scalable, high-performance backend applications and services ... Architect in this team, you will be responsible for the technical vision, design and implementation of backend

Develop new features and maintain console applications and utilities using Java and Kotlin. Research and implement technologies like AI, big data, 3D, and media formats. Write maintainable, high-performance code using best practices and collaborate with the team.

of developers; Continuously research and advocate for improvements in performance, scalability, and developer

GOOD TO HAVE InRiver PIM developer certification; Working knowledge of Visual Studio .NET and Azure

Collaborate closely with Data, Platform, and Backend Engineers to build services and infrastructure,

building and deploying production systems Full‑stack development: frontend (React, Vue, Angular), backend

"skin" and deploy bespoke versions for clients like Amazon while maintaining a single core backend

problem‑solving and analytical skills Demonstrated ability to design, deploy, and manage scalable backend

Strong backend development skills (Python/Java/Node.js), RESTful APIs, message brokers (e.g., Kafka,

understanding of Agile/Scrum and experience managing backlog and delivery Ability to write clear, developer-ready

LLM-powered developer productivity: Improve engineering throughput via AI-augmented coding, review, test ... smarter, faster, and safer through LLM-powered assistants, autonomous/agentic workflows, and AI-augmented developer

certifications (e.g., Certified Technical Architect, Application Architect, System Architect, Platform Developer

As a developer, you will be responsible for analyzing and implementing technical and functional requirements

Key Responsibilities You Will Be In Charge Of Collaboration with Teams: Work closely with Backend, Frontend