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Senior Full Stack Engineer(Node.js) (Remote)

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A5 LabsRemoteL5 SeniorApril 17th, 2026

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About the Role: We're building cutting-edge AI-driven experiences that redefine industry standards in online gaming. As our Senior Full Stack Engineer, you'll drive technical initiatives across teams to build scalable web applications, in-app solutions, and integrations that power our innovative gaming platform. 80% of our work will be focused on the backend solutions. What You'll BuildHighly-available and performant gaming applications Scalable backend systems for global audiencesMVPs and production-ready solutions for online poker games Integration systems with various service providers Robust microservices architecture
Required Skills:
  • 7+ years of full stack development exp (3+ years in senior/lead role)
  • Strong Node.js expertise
  • Advanced TypeScript/JavaScript knowledgeREST APIs, GraphQL, gRPC, and WebSocketsTesting frameworks (Jest)
  • Databases (PostgreSQL, MongoDB, DynamoDB)
  • Caching and queues (Redis, RabbitMQ, Kafka)
  • High-load and concurrent systems
  • Microservices and distributed systems
  • Security best practices
Nice to Have:
  • DevOps and CI/CD pipelines
  • Cloud platform expertise (AWS, Cloudflare)
  • Background in real-time multiplayer gaming or high-concurrency/high-load applications
About Us: AceGuardian at A5 Labs combines gaming expertise with AI technology to revolutionize both gaming and real-world problem-solving. Our team focuses on building advanced AI agents through reinforcement learning, game-solving, fine-tuning, and planning, tackling challenges like anti-cheat detection and optimal gameplay.
What We Offer:
  • Remote-first environment
  • Opportunity to work on innovative AI projects
  • Collaboration with experts in AI and game development
  • Flexible work environment
  • Career growth in a fast-growing company
  • Supportive and dynamic team
Ready to help build the future of AI-powered gaming technology? Join us in creating resilient, scalable systems that power the next generation of online gaming experiences. We'd love to hear from you!