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Full-Stack Next.js Developer with WebRTC Experience

Full-Stack Next.js Developer with WebRTC Experience

Scalable Path, , Spain, España
Hace más de 30 días
Descripción del trabajo

Overview

Scalable Path is looking for a Full-Stack Next.js Developer with WebRTC Experience to join the team and work on a client project. This is a remote, 40-hour / week position.

Client company description

The client is a Canadian company that has an existing web application that helps young students learn French as a second language. Their application uses WebRTC, AI avatars, and multiplayer engagement to transform how thousands of learners interact and grow.

Duties and Responsibilities

  • Attend daily scrum and contribute to project discussions.
  • Engineer real-time Next.js apps with WebRTC-based audio / video (from peer-to-peer to large-group sessions).
  • Develop APIs and back-end services with Next.js.
  • Architect and integrate data flows that keep thousands of concurrent learners in sync.
  • Optimize latency & stability by implementing algorithms for audio / video synchronization, state management, and reconnection handling.
  • Build developer-friendly APIs for integrating real-time features into our products.
  • Build responsive, user-friendly interfaces in close collaboration with UI / UX designers.
  • Ensure code quality through unit testing, debugging, performance monitoring, and documentation.
  • Collaborate daily with product & UX in an Agile environment (stand-ups, reviews, planning).
  • Deploy, monitor, and scale cloud-based services (GCP preferred), ensuring reliability at production scale.

Qualifications

  • 5+ years of full-stack development experience
  • Proven experience building and debugging real-time applications using WebSockets
  • Hands-on experience building peer-to-peer and group sessions with WebRTC
  • Strong React Experience (state management, real-time interactions, WebSocket integration)
  • Solid grasp of real-time application design, synchronization, and scaling.
  • Git, testing, debugging, and Agile teamwork experience.
  • English (Must have)
  • TypeScript (Must have)
  • Next.js (Must have)
  • MongoDB (Must have)
  • WebSockets (Must have)
  • WebRTC (Must have)
  • Unity 3D (Nice to have)
  • Google Cloud (Nice to have)
  • Preferred / Bonus

  • Unity or WebGL exposure
  • Cloud certifications (GCP, AWS, or similar)
  • Relationships – who you’ll be working with

    You’ll be working with our Head of Tech / Engineering Manager, Full Stack Developers, DevOps, and an AI Engineer. It’s a small team of 7 engineers working in an agile environment.

    There is an existing daily meeting at 9 : 00am America / Toronto (-04 : 00) EDT.

    Timeline : As soon as possible. 6-12 months. If things go well, this could turn into a long-term engagement.

    Notes

    Candidates are expected to work during the client\'s work hours in Toronto.

    Required skills

  • English (Must have)
  • TypeScript (Must have)
  • Next.js (Must have)
  • MongoDB (Must have)
  • WebSockets (Must have)
  • WebRTC (Must have)
  • Unity 3D (Nice to have)
  • Google Cloud (Nice to have)
  • Seniority level

  • Mid-Senior level
  • Employment type

  • Contract
  • Job function

  • Software Development
  • Notes : Referrals increase your chances of interviewing at Scalable Path by 2x

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