Frontend Engineer

NeuralTrust; Barcelona; Híbrido; EUR 55.000 - 85.000; Jornada completa

Descripción de la vacante

NeuralTrust, a Barcelona-based startup focused on AI and security, is seeking a Frontend Engineer to scale our platform using NextJS and React. You will build robust, scalable user interfaces and contribute to securing and measuring AI-enabled products.

You will own features end-to-end from ideation to deployment, write reusable code, and collaborate with a talented team to deliver polished, real-time web experiences. Hybrid remote flexibility is offered.

Formación

• Experience in frontend development with React and its ecosystem.
• Ability to build reusable UI components and maintainable codebases.
• Familiarity with modern frontend tooling and best practices.

Responsabilidades

• Own initiatives end-to-end, from ideation to deployment.
• Write high-quality, reusable code and contribute to code reviews.
• Design scalable frontend architecture for a real-time, data-driven platform.
• Build fully optimized, scalable products using NextJS and React.
• Collaborate with a cross-functional team and participate in weekly meetings.

Conocimientos

React

Redux

React Router

NextJS

Tailwind CSS

JavaScript/TypeScript

Code reviews

Herramientas

webpack

npm

Git

Descripción del empleo

At NeuralTrust, we're looking for a Frontend Engineer to help us scale our platform and take our technology to the next level. If you're passionate about building robust backend systems and working at the intersection of AI and security — join us!

About NeuralTrust

We’re a Barcelona-based startup building the future of AI and Agents security. Our SaaS platform enables large organizations to integrate generative AI into their products and services in a secure, reliable, and measurable way.

Backed by leading European investors and collaborating with top Spanish universities, NeuralTrust operates at the intersection of AI innovation, cybersecurity, and enterprise transformation.

As generative AI reshapes industries, security and trust become board-level priorities. At NeuralTrust, we ensure organizations can adopt AI confidently and responsibly.

What You will do

• You will work with a top-notch tech stack.
• You will bring new product features to reality.
• You will own initiatives end-to-end, from ideation to deployment.
• You will write high-quality, reusable code.
• You will contribute to the design of a scalable platform’s architecture.
• You will work with a team of outstanding, broad-skilled developers.
• You will participate in weekly team meetings and engage in code reviews.
• You will get your hands on new tech through prototypes.

We are looking for a Frontend Engineer that loves building fully optimized, scalable products. We use NextJS and React in the frontend, along with different libraries such as Tailwind and Redux Saga, and interactivity weaved in (drag & drop, keyword events, etc). All in a modern web architecture based on real-time data subscriptions, serverless functions, asynchronous communication through websocket and queues, and scalable cloud services.

• Hacker mentality: this is a key startup position where you will be expected to execute fast and with top code and UI quality.
• Experience with React and its ecosystem (Redux, React Router, etc.).
• Familiarity with implementing complex user interactions, including event listeners, drag and drop, scroll control, and other interactive elements.
• Familiarity with modern build tools, package managers and version control systems (webpack, npm, git, etc).
• Polyglot developer: comfortable to constantly get your hands on new libraries, frameworks and technologies.
• Attention to detail: a keen sense of visual aesthetics and the ability to create polished, visually appealing frontend components.
• Team player: comfortable to share knowledge, help your team mates and exchange feedback.
• Competitive salary aligned with your experience and impact.
• Flexible compensation plan (transport, restaurants, baby daycare…).
• Hybrid remote flexibility (work part of the week remotely, with periods of full remote).
• The latest tools and tech to do your job.