About the Company: Stitch is a visionary technology company committed to empowering businesses through our homegrown SaaS and API-driven platform. Our mission is to simplify money movement processes, enhance profitability, and deliver seamless experiences for our clients and their customers. We strive to eliminate complexities and create innovative solutions for a better tomorrow.

About the Role: The AI / ML Engineer builds intelligent systems that power fraud detection, credit risk modelling, transaction monitoring, and financial automation. The role also involves developing LLM-enabled solutions and AI-driven automation integrated with fintech platforms.

Responsibilities

- Develop machine learning models for fraud detection and credit risk analysis.
- Implement transaction anomaly detection models.
- Design pipelines for model training, evaluation, and deployment.
- Integrate AI models with fintech systems via APIs.
- Implement LLM-based automation for financial insights and workflows.
- Monitor model performance and maintain retraining pipelines.

Qualifications

- Bachelor’s degree in computer science, Engineering, or related field.

Required Skills

- Core: Python (expert), SQL, system design,



strong SWE fundamentals.
- ML: PyTorch, Hugging Face Transformers, scikit-learn, XGBoost.
- LLM/GenAI: RAG in production (chunking, hybrid retrieval, reranking, eval), LangChain / LangGraph / LlamaIndex, Fine-tuning with LoRA/QLoRA, PEFT, TRL, Anthropic / OpenAI APIs and open-weight models (Llama, Qwen, Mistral).
- Vector DBs: Pinecone, Weaviate, Qdrant, or pgvector.
- Inference: vLLM, FastAPI, quantization (GPTQ/AWQ/GGUF).
- MLOps: MLflow or W&B;, Docker, Kubernetes, CI/CD, Airflow.
- Cloud: AWS, GCP, or Azure (one deep).
- Eval: LangSmith / LangFuse, Ragas, LLM-as-judge.

Preferred Skills

- Fintech Experience in banking applications, payments, lending, or financial workflows will be preferred.

Pay range and compensation package: Not specified.

Equal Opportunity Statement: We are committed to diversity and inclusivity.

How to Apply: If you are passionate about technology and thrive in a dynamic setting, we would love to hear from you! Please share your profile with us at [email protected]. Let’s create a seamless future together!

📌 Artificial Intelligence Engineer (Chennai)
🏢 Stitch
📍 Chennai