Head of Machine Learning

Since 2010, the company has expanded from listings into payments, shipping and seller financing. Bluffcraft HQ operates consumer websites and apps used by tens of millions of people each month.

The position

The previous person in this role moved to another team. We're looking for an engineer to build retrieval-augmented generation features on hosted and open-weight language models, with proper evaluation. Remote, open to candidates across India. Monday to Friday, regular working hours, flexible start and finish.

What you'll be doing

• Handle on-call for the ML services the team owns.
• Monitor models for drift, data quality issues and latency regressions.
• Document model cards, data sources and known failure modes.
• Track experiments, artifacts and versions in MLflow or Weights & Biases.
• Set up evaluation harnesses and regression tests for model quality.
• Orchestrate pipelines with Kubeflow, SageMaker Pipelines, Vertex AI or Airflow.
• Develop RAG pipelines with embeddings, vector stores (pgvector, Pinecone, Weaviate) and rerankers.

Qualifications

• 8+ years of software engineering experience, with at least two spent on ML systems in production.
• Comfortable with SQL and large-scale data processing in Spark or Ray.
• Experience deploying models as services and monitoring them.
• Knowledge of LLM APIs, prompt design and evaluation methods.
• Familiarity with Docker, Kubernetes and a cloud ML platform (SageMaker, Vertex AI, Azure ML)
• Strong Python and solid engineering habits (testing, packaging, code review)
• Understanding of core ML concepts: overfitting, evaluation metrics, bias in training data.

Nice to have

• Distributed training with DeepSpeed or FSDP.
• Published papers or open source ML contributions.
• CUDA or Triton kernel experience.
• Computer vision background (OpenCV, detection, segmentation)

Compensation: ₹33,00,000 - ₹43,00,000 per annum

What you get

• Health insurance for you and your family.
• Provident fund.
• Paid leave.
• Group term life insurance.
• Learning budget.

Please submit your CV in English.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Bluffcraft HQ Pvt Ltd.