Remote AI Full-Stack Eng English C1-4,500 Gross

🏒 Xenia Tech · all Xenia Tech jobs
πŸ“ Vietnam
πŸ“… Posted 2026-07-24 Β· via ITviec
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Top 3 Reasons To Join Us A second home supporting you to grow A multi-cultural work environment A salary that makes you happy The Job About this role - We are looking for a Senior Full Stack Engineer (React, Node & AI) who is passionate about technology, performance, and building exceptional user experiences. - You will join a global, distributed engineering team working on the core of our platform, where much of our users’ content is created. Stability, performance, scalability, and reliability are essential to everything we build. - Software engineering is evolving rapidly. We are looking for someone who is not only a strong and experienced engineer, but who also knows how to use AI agents and AI-assisted workflows effectively in their daily work. - You should be comfortable using AI to accelerate development, investigate complex problems, manage large amounts of context, and work across multiple streams while maintaining a high standard of quality. What You’ll Do - Build and deliver end-to-end features that support our recording and live-call experiences. - Design, maintain, and evolve scalable services, APIs, and product architecture. - Prototype ideas quickly, iterate based on feedback, and deliver meaningful product impact. - Collaborate closely with Product, Design, Growth, and Engineering teams to continuously improve the user experience. - Use data, monitoring, observability, and investigation tools to support technical and product decisions. - Use AI tools and agents throughout the engineering lifecycle, including coding, architecture, debugging, troubleshooting, testing, documentation, technical investigation, and code review. - Manage multiple AI-assisted tasks or agents in parallel by delegating effectively, preserving context, validating outputs, and integrating results into production-quality solutions. - Make pragmatic engineering decisions that balance delivery speed with maintainability, scalability, performance, and reliability. - Contribute to the continuous improvement of our engineering practices, internal tools, automation, and AI-assisted workflows. Your Skills and Experience - Excellent English communication (equivalent to C1 or IELTS 7.0), collaboration, and teamwork skills. - Core Tech Stack Proficiency: 8+ years of software development experience with deep expertise in TypeScript, React, Node.js/Nest.js, and RESTful APIs. - Senior Backend Depth (Crucial): Comfortable in a 4–5/5 self-assessment on backend concepts to be competitive. - Event-Driven Architecture & Databases: Deep expertise in NoSQL data modeling , message brokers ( Kafka ), and operating self-hosted MongoDB with replica sets and sharding . - High-Concurrency & Real-Time Systems: Proven experience with WebSockets / at scale and horizontal scaling strategies. AI-Native Engineering Mastery: - Able to orchestrate multiple AI agents and context-switch across concurrent tasks in daily development. - Practical experience with agent memory / persistent-context tooling and structured onboarding docs (e.g., -style agent context files). - Strong fluency using AI as a daily engineering multiplier β€” for coding, architecture, troubleshooting, investigation, test creation, documentation, and code review. - Engineering Judgment: Degree in Computer Science or equivalent real-world experience, with a continuous improvement mindset and strong product/technical judgment. - Distributed Team & Communication : Proven experience working in remote teams with excellent communication and teamwork in English. - Experienced with WebSockets, WebRTC, MediaStream, and browser APIs for audio/video. - AI Orchestration & Context Switching: Strong hands-on experience in AI orchestration frameworks, with proven ability to seamlessly context-switch across complex technical domains and multi-task in a fast-paced environment Why You'll Love Working Here Competitive salary - Work Location: Flexible. This role is open to hybrid or fully remote arrangem

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