Junior Full-Stack Developer (AI Systems Integration)

🎯 Role Overview We are looking for a forward-thinking Junior Full-stack Developer with a passion for modern web architectures and a proven track record in building integrated AI systems. In this role, you will not just build standard CRUD applications; you will bridge the gap between traditional software engineering and generative AI by embedding Large Language Models (LLMs), vector databases, and cognitive APIs directly into our product ecosystem. JOB DESCRIPTION:  Assist in designing, building, and maintaining responsive frontend user interfaces and scalable backend services.  Connect application backends to AI models (e.g., OpenAI, Gemini, Claude, or open-source models via Hugging Face) using REST APIs or SDKs.  Work with relational databases and assist in setting up Vector Databases (such as Pinecone, Milvus, or pgvector) for Retrieval-Augmented Generation (RAG) workflows.  Write clean, secure, and well-documented APIs to facilitate seamless data flow between the UI, backend databases, and AI orchestration layers.  Monitor and optimize AI inference response times, handling streaming tokens, and managing latency for real-time user experiences. JOB DUTIES \& RESPONSIBILITIES Degree of IT (Bachelor, Associate) TECHNICAL EXPERIENCES  At least 1 to 2 years of Full-stack development experience.  Experience building web applications that integrate AI/LLM features (e.g., building chatbots, automated text summarizers, or smart recommendation engines).  Experience with AI orchestration frameworks like LangChain or LlamaIndex or n8n and openclaw.  Experience in at least one modern backend language/framework (e.g., Node.js/TypeScript, Python/FastAPI, or Java/Spring Boot).  Understanding of modern frontend frameworks, preferably ReactJS, Next.js, or Vue.js.  Experience with SQL (PostgreSQL, MySQL) and awareness of NoSQL or vector search concepts.. Languages \& Soft Skills * Good technical English (ability to read complex AI API documentation and write technical design notes). * Strong analytical thinking, particularly in troubleshooting asynchronous processes and handling edge cases in AI outputs (such as non-deterministic responses). **🌟 Nice to Have** * Familiarity with prompt engineering techniques and managing context windows. * Understanding of basic cloud deployment workflows (AWS, Azure, or Google Cloud Platform). **WHY YOU LOVE WORKING HERE** ** Competitive salary and benefits including Premium Healthcare package insurance** ** 13** th month salary, Performance bonus  16 days annual leave  Comprehensive Training Courses (Languages, Technical and Soft-skill)  Language Certificate allowance (TOIEC, IELTS and Japanese)  Lunch and bus/ parking allowance  Fun team activities and outings  Sponsored happy hour and sport clubs  Comfortable work space and friendly colleagues.