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INNOMIZE is seeking a Senior Full-Stack Developer with LLM/AI experience to help design, build, and scale our cloud-native AI platform. You will work across backend services, AI pipelines, and modern frontend interfaces, collaborating closely with product and engineering teams to deliver high-quality solutions.

This role is hands-on, technically deep, and suited for engineers who enjoy solving complex problems across systems, data, and AI.

WHAT YOU’LL BE DOING

• Design and build LLM-powered APIs using Python (FastAPI) and JavaScript/TypeScript.
• Develop high-quality React applications, including real-time and AI-assisted user experiences.
• Implement streaming and real-time features using SSE and WebSockets.
• Work with PostgreSQL, including performance tuning and vector-based search.
• Deploy and operate services on AWS (Lambda, ECS, S3, API Gateway).
• Integrate and operate LLM-powered features using OpenAI and Anthropic Claude APIs.
• Optimize prompts, token usage, latency, and cost across multiple LLM providers.
• Evaluate and select models for different use cases (accuracy, speed, cost).
• Write clean, testable, and maintainable code following solid principles.
• Participate in system design, architecture decisions, and technical reviews.
• Mentor junior engineers and contribute to a strong engineering culture.

YOUR SKILLS AND EXPERIENCE:

• Bachelor’s degree in Computer Science or equivalent practical experience.
• 5+ years of professional software engineering experience.
• Comfortable working with both backend (JavaScript / Python) and frontend (Angular / React preferred) technologies.
• Strong PostgreSQL knowledge (query optimization, indexing, vector extensions).
• Comfortable with Docker, CI/CD, and production debugging.
• Working knowledge of AWS or other cloud platforms.
• Practical experience working with LLM APIs (OpenAI, Anthropic, or similar).
• Understanding of embeddings, vector search, and RAG architectures.
• Awareness of multi-model and multi-provider LLM strategies
• Senior-level ownership and accountability.
• Good at English communication.

Our Company believes that the motivation & personality of the employees are the only shortcut to the promotion of the corporation and contributions to the society. We will try our best to create a corporate environment where all employees can realize their dreams and goals. Featured benefits include:

• Dynamic and comfortable working environment.
• Work-life balance 40-hr per week from Mon to Fri.
• Overtime is rarely required, you will get paid for the extra work (up to 300%).
• Up to 16-day and 2-day probation leave per year.
• Annual performance appraisal (twice / year) and 13-month salary.
• Annual health check and Health Insurance package (PVI).
• Special bonus on Public holiday: 1/1, 30/4&1/5, 2/9, Hung Kings' (10/3).
• Excellent Benefits: Project bonus, Team bonus, Birthday gift, Tet gift ...
• Exciting internal events: Happy hour, Company trips, Year-end Party, Teambuilding, Sport Clubs.
• Modern and cozy kitchens with plenty of free noodles, coffee/tea bar and fresh fruits every day.
• Training activities weekly: English, Management, Soft Skills, Technical skill, Certificate fee.
• Have opportunities to promote to Senior and Leader level, be supported daily by Manager, Leader and Senior Level.