Senior Frontend Engineer

Quadrivia
Barcelona, Spain
14 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
10 years minimum
Working hours
Regular working hours

Tech stack

Artificial Intelligence Acceptance Test-Driven Development Data Security Event-Driven Programming OAuth Performance Tuning TypeScript WebSocket Web Strategies WebRTC ReactJS Pixel Perfect
+3 more
Backend Low Latency Front End Software Development

Job description

About UsQuadrivia 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 RoleYou 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 ResponsibilitiesBuild 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 Experience10+ 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 understandingProven experience with WebRTCExcellent communicator-clear, structured, concise, preferably following S.T.A.R/S.A.R or related.Health care/related experienceNice To HaveFamiliarity with design systems for regulated environments.Event driven applicationsBackend engineering experienceWhat Success Looks LikeClinicians, 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

Requirements

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

About the company

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.

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:31 min

Recapping frontend scaling patterns and distributed UI techniques

Josh Goldberg · World Congress 2021

1:21 min

Exploring the target application for front end tests

Anna Mcdougall · JS Congress

2:07 min

Simplifying peer-to-peer connections using WebRTC abstraction libraries

André Dietrich André Dietrich · World Congress 2024

2:49 min

Adopting OAuth best practices and removing outdated grants

Alexander Schwartz Alexander Schwartz · World Congress 2026 Europe

3:16 min

Voice AI architecture and interactive kiosk demo

Lee Boonstra · LIVE

1:20 min

Identifying multi-disciplinary talent for developer experience engineering roles

Hazal Mestci +1 · Coffee With Developers

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