Senior Machine Learning Engineer

Insignia's looking for a Senior Machine Learning Engineer who has gone beyond prompt-tuning and fine-tuning, someone who’s architected, deployed, and optimized RAG-based systems and LLM pipelines in real-world applications.Our Office at Meruya, West JakartaYou’ll lead the design and implementation of AI solutions that power search, automation, and intelligent agents. If you've debugged retrieval drift, optimized chunking strategies, or scaled LLM serving with low latency, we want to see how you build.This is a hands-on leadership role based in West Jakarta, where your code sets the standard and your decisions shape our AI future.What You’ll Do:✅ Lead the design and deployment of production-grade RAG and LLM systems✅ Optimize retrieval accuracy, context quality, and model performance at scale✅ Build robust data pipelines for ingestion, chunking, embedding, and indexing✅ Collaborate with data engineers, software teams, and product leads to integrate AI into core features✅ Set best practices for prompt engineering, evaluation, and monitoring✅ Mentor junior engineers and drive technical direction for GenAI projectsWho You Are:✅ 4+ years in ML engineering, with 1.5+ years focused on LLMs and RAG systems✅ Deep hands-on experience with LangChain, LlamaIndex, vector databases (Pinecone, Weaviate, FAISS)✅ Strong in Python, PyTorch/TensorFlow, and MLOps tools (MLflow, Kubernetes, Docker)✅ Experience deploying models on AWS, GCP, or Azure or hybrid environments✅ Familiar with evaluation frameworks, A/B testing, and latency optimization✅ Bonus: Experience with fine-tuning, LoRA, or distillation for domain-specific performance✅ Practical mindset you care about reliability, cost, and impact, not just noveltyPerks & Benefits:Hybrid work mode (2 days WFH, 3 days WFO)Daily meals providedHealth insurance coverageClear career development pathA collaborative and growth-driven team culture, - etc