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Full-Stack Developer, AI Applications
Build and extend AI-driven marketing workflows and interfaces using TypeScript, React, Next.js, and Python; own multi-tenant features, streaming UIs, and LLM orchestration in a product that powers enterprise martech.
WordPress Developer (React,js/Next.js)
Build enterprise-grade WordPress sites and React/Next.js front-ends, converting designs into polished, responsive UIs with animations and optimizing performance.
Remote WordPress Developer — React/Next.js Expert
Builds WordPress sites with React/Next.js frontends, converts Figma designs, and optimizes performance for enterprise clients in a collaborative team.
Senior Fullstack Engineer – Subscriptions & APIs
Senior full-stack engineer building subscription management features with Node.js APIs and React/Next.js UIs for enterprise clients.
Fullstack Engineer
Build subscription management features using Node.js/React/Next.js, integrate with billing platforms and TV ecosystems, and maintain real-time event processing via webhooks and Firebase.
Senior Full Stack API Engineer
Build and maintain the API platform and developer portal for a Canadian fintech firm, designing secure, scalable integrations and tools for external developers and partners.
Team Lead (Fullstack: PHP8.3+React)
Team Lead manages a full-stack team building B2C/C2C online services with PHP 8.3, React, and related tools, mentoring developers and overseeing architecture and code quality.
Full-Stack Developer - Freelance
Build and ship features for a B2B trade intelligence platform using Next.js, PostgreSQL, and ClickHouse; own backend integrations, queries, and production reliability.
Senior Full Stack Developer
Build full-stack apps with React/Next.js frontends and Python/FastAPI backends, lead teams, and mentor developers while integrating AI-driven features for client projects.
Full-stack developer at aqliya for artificial intelligence
Build and maintain AI-powered web apps, cloud platforms, and automation tools using JavaScript/TypeScript, React, Node.js, Python, and cloud services like Azure/AWS.
Software engineer / Full-stack developer - cornellà del terri
Build and maintain a full-stack digital twin platform for buildings and industrial processes using Next.js, C# (.NET), and Python, while optimizing internal workflows.
Senior AI Full Stack Developer - barcelona
Build and maintain a global B2B platform using React/Next.js on the frontend and Node.js/Java Spring Boot on the backend, deploying to AWS while integrating LLMs and generative AI into the stack.
Middle Full Stack Developer (Generative AI)
Build and deploy cloud-based Generative AI applications using Python/.NET on Azure, integrating LLMs, RAG, and agent frameworks, with React/Next.js for frontend when needed.
Middle Full Stack Developer (Generative AI)
Build and deploy cloud-based Generative AI applications using Python/.NET on Azure, with React/Next.js for frontend features, focusing on LLMs, RAG, and agent architectures.
Senior Backend Developer - Permanent - Barcelona
Senior backend developer building a B2B web app for real-estate agencies using Python, Django, FastAPI, and AWS; owns data models for agents, agencies, and payments.
React Frontend Developer - Qaracter - Beyond your Challenge
Builds and maintains scalable React/TypeScript frontend applications for Qaracter’s advisory services, integrating REST APIs and Kafka/AWS S3 while ensuring code quality via testing and CI/CD pipelines.
Fullstack Developer - Web & Mobile (React/Next.js/Expo) - sevilla
Build and evolve web and mobile apps for international content portals using React, Next.js, and Expo, with fullstack responsibilities across frontend, backend, and AI tools.
Full Stack Web Developer (Backend Focus) – Multi-cloud GenAI Platform / Secure GPT
Build and maintain a secure, multi-cloud GenAI platform (Azure/AWS/GCP) with a focus on Secure GPT services, APIs, and RAG pipelines using Node.js, React, and cloud-native tooling.
Fullstack Developer - Web & Mobile (React/Next.js/Expo)
Build and evolve web and mobile apps using React, Next.js, and Expo for international media portals, focusing on performance, accessibility, and AI-powered development tools.
React Frontend Developer - gijón
Build and maintain React/Next.js frontend apps with TypeScript, integrating REST APIs and cloud services like AWS S3 and Kafka for a global consulting firm.