Senior / Lead Full-Stack Developer — Freelance

5 Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2 B platform.You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach.You'll collaborate with engineering and product teams across time zones, use Claude Code or similar tools, and...

Duration: 12 months, with possibility of extension Language: Italian - must-have We're looking for a Senior or Lead Full-Stack Developer to join an international project on a fully remote basis from Spain. Must-have experience AWS Terraform or CloudFormation Docker Node.js React Jest or Vitest Microservices Nice to have GitHub Actions Next.js Java or Kotlin...

Who We Are Técnicas Reunidas (TR) is a leading international engineering and construction company in the energy sector, with more than 65 years of experience and over 13,000 professionals worldwide. We have our headquarters in Madrid, offices in Bilbao and Cartagena, and engineering centers in India, Abu Dhabi, Saudi Arabia, Turkey, and Chile, among...

For over a decade now, OpenNebula Systems has been building the open source technology that helps organizations around the world to manage their corporate data centers and build Enterprise Clouds with unique, innovative features. Born back in the day as an open source platform for Private Clouds, OpenNebula is a powerful, but easy-to-use, open source Cloud...

Aircall is a unicorn AI-powered communications platform redefining how teams engage customers. We are seeking a Senior Full-Stack Engineer on the Growth team to design, build, and iterate onboarding and activation flows. You will work with React, NodeJS, TypeScript, hosted on AWS, delivering frontend-focused experiences with solid backend capabilities....

Buscamos un/a Senior Full Stack Developer con sólida experiencia para participar en el diseño, desarrollo, despliegue y soporte operativo de soluciones web escalables basadas en Java y Angular.Te buscamos, independientemente de tu género, capacidades diferentes, orientación sexual, origen étnico o cualquier característica que te haga...

¿Te gustaría participar en el desarrollo y evolución de soluciones tecnológicas dentro de un entornoretail de gran escala, trabajando sobre aplicaciones con impacto directo en el negocio?Buscamos incorporar un/aSenior Full Stack Developercon experiencia sólida tanto en Front como en Back, que pueda aportar autonomía técnica, buenas prácticas y una...

Welcome to MVSTWe're a full product delivery studio based in Munich and Barcelona, on a mission to help companies build products and services that truly make a difference in the world.At MVST, we take ideas from 0 to 1 — whether it's through strategy, UX/UI design, product management, and software development. We empower and collaborate with...

Bark is seeking a Senior Full Stack Engineer to join a small, agile squad focused on the Acquisition domain. You will work across frontend and backend with Python and React/TypeScript to build scalable APIs and user experiences, helping scale our marketing technology stack. You will partner with Marketing to design AI-powered tools, contribute to MarTech...