A5 Labs logo

Staff / Principal Frontend-leaning Full Stack Engineer

A5 Labs
Department:iOS Developer
Type:REMOTE
Region:EU
Location:European Economic Area
Experience:Mid-Senior level
Estimated Salary:$120,000 - $200,000
Skills:
REACTVUENODE.JSEXPRESS.JSNESTJSCI/CDSYSTEM DESIGNAWSGCPDOCKERKUBERNETESNEXT.JSNUXT.JSAILLM
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Job Description

Posted on: April 10, 2026

About the Role

We are raising our hiring bar and looking for high-impact engineers who can do more than just deliver tasks.

This role is for engineers who can own complex systems, drive execution, and shape technical direction in a fast-moving, AI-driven environment.

What You’ll Do

  • Build and scale production-grade Web Applications (not simple websites)
  • Design and implement systems using React/Vue + Node.js
  • Take full ownership of features, systems, or product areas
  • Collaborate across teams (Product, Backend, Data, DevOps) to deliver end-to-end solutions
  • Drive technical decisions and improve engineering standards
  • Contribute to system design, architecture, and long-term technical direction

What We’re Looking ForCore Requirements (All Candidates)

  • 6+ years of professional experience
  • Proven experience building complex Web Applications (SaaS / platform / dashboard / real-time systems)
  • Strong frontend experience with React or Vue
  • Solid backend experience with Node.js (Express.js or NestJS)
  • Experience with CI/CD, system design, and modern engineering workflows
  • Fluent English communication
  • Strong ownership mindset and ability to work independently in a remote environment

Level ExpectationsStaff Engineer (IC Ownership Focus)

  • Strong individual contributor with clear ownership of systems or modules
  • Able to independently drive complex features or systems end-to-end
  • Makes sound technical decisions within their domain
  • Works effectively across teams to unblock dependencies
  • Focuses on execution, reliability, and delivery

Principal / Architect (High Impact & Strategy)

  • Defines architecture and system direction across projects
  • Drives cross-team technical alignment and execution
  • Shapes technical strategy and long-term system evolution
  • Identifies and solves system-level problems (scalability, reliability, performance)
  • Influences engineering culture and best practices

Nice to Have

  • Experience with AI / LLM systems
  • Background in gaming / real-time / interactive systems
  • Experience with Next.js / Nuxt.js (SSR)
  • Experience with cloud (AWS/GCP) / Docker / KubernetesWhat We Offer
  • 🌍 Fully remote
  • 🌴 4–5 weeks annual leave
  • 💰 Competitive USD salary
  • 🎯 Quarterly bonus (up to 2×)
  • 🚀 Work on AI + game-related products
  • 🤝 High-performance global team
Originally posted on LinkedIn

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