Lead AIML Engineer

About the role

Melior ITS is looking for a Lead AIML Engineer to turn advanced AI research into reliable, production-ready solutions. The position is onsite in Islamabad; remote work is not available. You will lead the AI/ML engineering function, own the architecture and delivery of AI/ML solutions, and build intelligent applications using machine learning, generative AI, retrieval-augmented generation, knowledge graphs and modern MLOps practices.

Key responsibilities

• Lead and give technical direction to the AI/ML engineering team, set the technical roadmap and mentor engineers.
• Own the architecture, design, model selection, deployment and scalability of AI/ML solutions.
• Build production-grade RAG applications and GraphRAG solutions combining vector retrieval with entity and relationship-based search.
• Create intelligent agents and multi-step workflows with LangChain/LangGraph, including state management, tool calling, checkpoints and human-in-the-loop controls.
• Develop NLP, computer vision and deep learning models, prepare datasets and build scalable data and ML pipelines.
• Design and maintain ML and LLM pipelines from experimentation to production, with model versioning, observability and automated evaluation.
• Collaborate with product managers, software engineers, data engineers and QA teams, and write technical documentation.

Required profile

• Bachelor's or Master's degree in Computer Science, Software Engineering, AI, Data Science or a related field.
• 4+ years of experience in AI, machine learning, deep learning or data science.
• Demonstrated experience leading AI/ML projects or engineering teams.
• Experience with LLMs and hands-on RAG development; knowledge of knowledge graphs and graph databases is preferred.
• Experience with LangChain/LangGraph, prompt engineering and model fine-tuning (LoRA/QLoRA) is an advantage.
• Working knowledge of SQL and NoSQL databases, cloud platforms and MLOps tools.
• Agile experience and strong written and verbal English.

Required skills

• Python, SQL, PyTorch, TensorFlow, Hugging Face, scikit-learn, LangChain, LangGraph
• Pinecone, Qdrant, Weaviate, Milvus, Chroma, Neo4j, PostgreSQL, MongoDB, Redis
• MLflow, Kubeflow, Airflow, Prefect, Docker, Kubernetes, CI/CD
• AWS, Azure or Google Cloud; FastAPI, REST APIs

What we offer

• Competitive salary, 25 holidays and leave encashment.
• Health insurance covering OPD, IPD and maternity, plus fuel, mobile handset and internet allowances.
• Quarterly performance and annual retention bonuses, referral bonus and skills development.