Empleos de senior software engineer - full stack js en Palma de Mallorca

Why Join Us? 100% remote | Global team | Full-time If you're looking to work on cutting-edge AI products, solve challenging problems, and be part of a fast-moving, high-talent team, you'll love it here. Join NineTwoThree AI Studio, a remote-first product design, engineering, and marketing studio, founded in 2012 and based in Boston. We build AI-powered web...

Fullstack Engineer – Series B AI Startup | Spain (100% Remote) I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day. This is a role for hands‑on builders who enjoy...

Brayton Global is seeking a Senior Full-stack Engineer to develop and maintain enterprise apps, modernise legacy systems, and integrate AI tools into development workflows. Responsibilities include designing full-stack solutions, leveraging AI assistants, and ensuring secure, scalable deployments across MCP-enabled platforms. Strong knowledge of Java/Spring...

We are looking for a Senior Full-stack Engineer to develop and maintain enterprise applications, modernise legacy systems, and integrate AI tools into everyday development workflows. Key Responsibilities * Design, develop, and maintain front-end and back-end applications, APIs, and databases. * Use AI coding assistants for development, debugging,...

Affinist is a remote-first company hiring a Senior Full-Stack Software Engineer for the Repayments UX. The role is based in Spain and visa sponsorship is possible, with the team located across Europe in the same time zone. You will own quarterly goals, collaborate across product, design, and analytics, and help ensure reliability and growth at scale. Base...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer (Laravel | Next.js | PostgreSQL) based in Spain. Join an established engineering team responsible for developing and scaling a large, production‑grade web application. In this role, you will work across...

We’re looking for an ambitious full‑stack engineer focused on solving customer problems and building long‑term features at Ashby. At Ashby, you’ll own large portions of our product, drive end‑to‑end projects, write specs, make wireframes, and deliver high‑quality software that improves talent‑acquisition workflows. Responsibilities * Own and...

Senior Software Engineer, Fullstack (Repayments UX) Remote Spain At Affinist we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Repayment UX Engineering team is growing, and we're looking for a Senior Full-Stack Software Engineer. We're...

Senior Software Engineer, Security Assurance | Spain | Remote Spain (Remote) Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for...

ABOUT SINCH Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch's Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email. Whether you need to verify users or craft omnichannel campaigns,...

* We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Senior Full Stack Engineer to help build it from the ground up * This isn’t a legacy product handoff: you’ll be joining at the very start, shaping both the technical direction and the team culture from day one * The current...

* We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Full Stack Engineer to join us in building it from the ground up. This is a newly formed team, not a legacy product, so you’ll be part of shaping how it works from early on * The current stack is Vue.js on the frontend and...

We are looking for a hands-on Senior Data Engineer to act as the primary technical reference for building R&D data products. The role sits at the intersection of scientific domain, data platform, and engineering delivery. You will guide technical design and implementation across data engineering, analytics, AI and application components within an R&D data...

Graduate Programme 2027: Software Engineer (Java) About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 80+ million customers get...

Leadtech Group builds and scales digital products used by millions of people worldwide. With over 18 years of experience, we bring together multidisciplinary teams to turn ideas into meaningful, high-impact solutions. Within the group, MAU by Leadtech focuses on subscription-based apps and digital products. It builds on the expertise, technology and product...

Jobgether is seeking a Senior Software Engineer (Laravel | Next.js | PostgreSQL) based in Spain to join an established engineering team. You will work across the full stack, contributing to migrations, API integrations, and performance optimization for a large-scale web application. You will mentor peers, influence architecture, and collaborate with DevOps...

MarsBased is a development agency from Barcelona specialising in AI-augmented software development. We don’t just use AI; we are actively rewriting the rules of modern engineering. By combining elite human expertise with advanced agentic workflows, we build end-to-end web and mobile applications faster, smarter, and to a higher standard than ever before....

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer (F# / ASP.NET Core / ReactJS) based in Spain. Join a product-focused engineering team building modern SaaS solutions that simplify complex business and governance processes. As a Senior Full Stack...

Senior Full Stack Engineer (React & Java) We build and operate Connect, a SaaS platform for the beauty & wellness industry that helps entrepreneurs run their businesses more effectively, built by Treatwell. Our web products are used daily by tens of thousands of people across 13 European countries. Our teams own their areas from initial idea and design...

Talantir is seeking a Software Engineer (Front-end) for an hourly remote contract. You will write realistic, self-contained prompts for client-side web applications, games, tools, and simulations, and create precise evaluation rubrics to measure UI behaviors and interactions. You should have professional frontend or full-stack experience with JavaScript,...