254 backend developer English-speaking jobs in Barcelona

Build developer interfaces, SDKs, and tools that enhance developer experience. ... Optimize backend performance, reliability, and scalability. ... Proficient in Node.js and modern backend technology stacks. ... Contribute to open‐source repositories and engage with the developer community. ... Deep understanding of developer experience (DX) and product‐focused engineering.

Backend Developer ( Java + Python) 100% remoto Santa Cruz de Tenerife, Canary Islands, Spain 3 weeks ... Python Developer (Build & Release Engineer) Full Stack Django Developer (Fully Remote) Madrid, Community ... Referrals increase your chances of interviewing at Kake by 2x Sign in to set job alerts for "Back End Developer ... Hiring Globally About The Role We're looking for experienced Senior Golang Engineers to join our growing backend ... What You'll Do Build and maintain robust backend services in Golang Design scalable solutions with MongoDB

Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain ... If you're passionate about AI agents and enjoy working on innovative backend architectures, this role ... with LangChain and/or LangGraph Experience working with Agentic AI frameworks Strong background in backend ... Design and build AI Agents using LangChain / LangGraph Further development and optimization of existing backend

We are looking for a Senior Full Stack Developer with strong AI expertise to build and deploy AI solutions ... Monitor, troubleshoot and resolve issues on backend services and AI model deployments. ... Backend and AI integration end to end, in an Agile Scrum team alongside data scientists, AI engineers ... Main Responsibilities & Key Activities: Develop scalable backend systems and APIs on Azure to support

Senior Backend Java Developer for Digital Innovation Hub Festo is a Global leader Engineering firm with ... Write, test, and maintain backend code, predominantly in Java, ensuring robust and scalable software ... What we are looking for: The incoming Java Developer will have the opportunity to work with a cutting-edge

A passion for building tools to improve developer experience. ... As the Senior Backend/Devops Engineer, you'll be working with Infrastructure/Cloud Engineering and Backend ... They are opening an Senior Backend/Devops Engineer role in Barcelona (Spain) on a permanent basis. ... Requirements +4 years of Backend/Devops engineering experience (Engineer profile not a manager profile ... roadmap, transitioning from early-stage prototypes to scalable and resilient full-scale production backend

robust cloud‐native services, troubleshoot complex issues, and continuously improve reliability and developer ... backend systems, ensuring they are scalable, resilient, and secure. ... Programming expertise in backend languages such as Java, Kotlin, Python. ... Optimize backend services for low latency, high throughput, and cost efficiency. ... Senior Software Engineer (Backend) Lingo is building a cutting‐edge digital health platform that fuses

, Backend Developer, Integration Consultant, and/or Technical Consultant Условия: Medical insurance ... experience with Salesforce (Sales Cloud, Service Cloud, Marketing Cloud); Background as a Salesforce Developer

Senior AI/ML Backend Developer to drive innovation using AI/ML. Responsibilities include developing and deploying scalable systems, building MLOps/LLMOps pipelines, and leveraging Python, Azure, and Databricks. Requires production AI/ML experience.

higher in Computer Science, Engineering, or related field 5+ years of proven experience as a Python Developer ... Responsibilities Lead the design, development, and delivery of backend solutions. ... we're looking for experienced Senior Python developers to lead the design, development, and delivery of backend

Take full ownership of backend features and improvements, from design through implementation, deployment ... , and production support Design, develop, and maintain scalable, high-performance backend services using

Backend Developer in Manufacturing designs and deploys AI/ML solutions using Azure and GCP. Responsibilities include building MLOps pipelines, containerizing applications, and developing agentic AI. Requires 3+ years of experience and strong Python skills.

We are hiring for Drupal Developer to work in Permanent Opportunity Location: Barcelona, Spain Mode: ... Foundation of Drupal 8, Drupal 9 and Drupal 10/11 core modules and contributed modules Expert skills on both Backend

Profile: Developer. Knowledge: Angular, FULLSTACK. Studies: Engineer. ... Solid experience with backend technologies (e.g., Node.js, .NET, Java).

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

Developer ( Java + Python) 100% remoto Madrid, Community of Madrid, Spain 1 week ago Full-Stack Developer ... We have a suite of .NET microservices at the backend, providing critical support for our products. ... Your focus will be on modernizing our tech stack, frontend & backend. And also improving our CI/CD. ... Remote) Madrid, Community of Madrid, Spain 11 months ago Madrid, Community of Madrid, Spain 4 days ago Backend ... The role you'll play As our Senior .NET Developer / Full Stack Engineer, you will have the chance to

Lead ERP development for B2B omnichannel commerce, improving and customizing the system for scalability. Requires expertise in X++, .NET, Power Platform, and proven leadership in ERP/CRM development, especially with Microsoft D365 F&O.

Development Referrals increase your chances of interviewing at Talent-R by 2x Get notified about new Frontend Developer ... concepts is a plus (ability to collaborate effectively with backend engineers) Strong foundation in ... Knowledge of build tools (Webpack, Nx, or similar) and version control (Git) Familiarity with Python or backend ... Implement and maintain unit, integration, and end-to-end tests to ensure product reliability Integrate with backend

Experience with modern development ecosystems, CI/CD pipelines, APIs, and developer platforms. ... the ability to influence across teams Bonus Points Experience applying AI to security, automation, or developer ... Engineering & Platform Enablement Design and implement scalable security solutions across cloud and backend ... of: Application and product security Vulnerability management and pentesting methodologies API and backend ... security assessments Provide expert-level technical guidance to game teams to assist in securing games and backend

Understanding of backend systems related to video streaming , such as content delivery networks (CDNs ... Collaborate with cross-functional teams, including product managers , designers , and backend developers ... We are hiring a Senior Apple TV Developer to join our team in Spain! Location : Anywhere in Spain! ... About the Role : As a Senior Apple TV Developer , you will play a key role in designing, developing, ... Consulting Referrals increase your chances of interviewing at AgileTV by 2x Get notified about new iOS Developer