Senior Frontend Engineer

Quadrivia; Barcelona; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A health technology company in Spain is seeking a Frontend Developer to build secure and intuitive interfaces for a clinical AI system. The candidate should have over 10 years of experience in React and Typescript, along with strong skills in building real-time interactive interfaces. The role demands collaboration with various teams and a focus on performance and user experience. This position promises to deliver a seamless web experience in the healthcare sector, addressing critical needs for clinicians and patients.

Formación

• 10+ years frontend experience with React/Typescript.
• Experience building real‑time interactive interfaces like chat and voice.
• Strong frontend architecture and performance optimization skills.

Responsabilidades

• Build high-quality frontend applications using React and Typescript.
• Implement secure data flows aligned to regulated environments.
• Collaborate with design, clinical teams, QA engineers, and backend engineers.

Conocimientos

React

Typescript

Real-time interactive interfaces

API integration

WebRTC

OAuth2

Frontend architecture optimization

Communication skills

Descripción del empleo

About Us

Quadrivia is the health technology company behind Qu, a comprehensive, controllable, and customizable assistant AI built by clinicians, for clinicians. Addressing the urgent shortage of healthcare professionals, Qu provides real‑time, personal, and reliable support for clinical tasks across the care continuum. Designed for providers, payers, and pharmaceutical companies, Qu is easy to customize and integrates seamlessly into workflows, delivering precise assistance across the care spectrum.

The Role

You will build the secure, intuitive clinician, B2B customer and patient interfaces that interact with our agent‑based clinical AI system.

Your role is to provide flawless, end‑to‑end web experience.

Key Responsibilities

• Build high‑quality frontend applications (React, Typescript).

• Implement secure data flows aligned to regulated environments.

• Build real‑time interfaces for chat, voice, clinical workflows, audit/quality tools, operational flows.

• Collaborate closely with design, clinical teams, Q.A engineers, and backend engineers.

• Ensure accessibility, clarity, and safety in every UI element.

• Maintain strict performance, latency, and reliability standards.

• Ship pixel‑perfect, test‑driven components with strong CI/testing.

Required Experience

• 10+ years frontend experience with React/Typescript.
• Experience building real‑time interactive interfaces (chat, voice, agent UI).
• Strong frontend architecture and performance optimization skills.
• Experience working with regulated or high‑risk domains (healthcare preferred).
• Strong understanding of API integration, state management, WebSockets.
• Oauth2 dee understanding
• Proven experience with WebRTC
• Excellent communicator—clear, structured, concise, preferably following S.T.A.R/S.A.R or related.
• Health care/related experience

Nice To Have

• Familiarity with design systems for regulated environments.
• Event driven applications
• Backend engineering experience

What Success Looks Like

• Clinicians, customers, internal sales and patients trust the interface instantly, no flaws.
• Lightning‑fast UI performance even under heavy data loads.
• Frontend accelerates—not slows—clinical workflows.
• Components easy to maintain and fast to deliver