AI-Driven Full-Stack Applications Engineer

PT. LOTTE INNOVATE INDONESIA; Cilegon; On-site; IDR 180,000,000 - 360,000,000; Full time

Job summary

PT. LOTTE INNOVATE INDONESIA is seeking an Applications Engineer to design, develop, and maintain full‑stack internal applications across backend and frontend, using Java, C#, Python and React. You will build REST APIs and connect data sources in on‑premise Windows/Linux environments.

Hands‑on AI/LLM experience (RAG, MCP, ML models) and collaboration with business users to deliver end‑to‑end solutions, troubleshoot production issues, and thrive in a fast‑paced manufacturing setting are essential.

Qualifications

• Strong experience in software development.
• Proficiency in Java or C#, with hands-on Python experience.
• Hands-on experience with AI/LLM technologies (RAG, LLM integration, MCP, ML models) and OpenAI/Anthropic/Ollama APIs.
• Experience with Git, REST APIs, SQL databases, debugging, and production troubleshooting.
• Frontend development using React or similar frameworks is a plus.

Responsibilities

• Design, develop, and maintain full-stack internal applications across backend and frontend systems.
• Develop backend services using Java, C#, and Python; build and integrate REST APIs.
• Deploy and operate applications in on-premise Windows/Linux environments; troubleshoot issues.
• Collaborate with business users to deliver end-to-end solutions in manufacturing contexts.

Job description

PT. LOTTE INNOVATE INDONESIA is seeking an Applications Engineer to design, develop, and maintain full‑stack internal applications across backend and frontend, using Java, C#, Python and React. You will build REST APIs and connect data sources in on‑premise Windows/Linux environments.

Hands‑on AI/LLM experience (RAG, MCP, ML models) and collaboration with business users to deliver end‑to‑end solutions, troubleshoot production issues, and thrive in a fast‑paced manufacturing setting are essential.