Role Title: AI / ML Engineers

Location: Chennai (WFO)

About Us

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 cutting-edge 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.

What will you be doing?

- 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.

Tech Stacks?
- 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

Who are you?
- 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.
- Fintech Experience in banking applications, payments, lending, or financial workflows will be preferred
- Bachelor’s degree in computer science, Engineering, or related field

Why Join Us?
- Be part of a fast-growing company driving innovation in financial technology.
- Work on challenging and cutting-edge projects that make a real impact.
- Opportunity to lead and mentor a talented team of developers.
- Collaborative and inclusive work environment with a focus on growth and development.

How to Apply

If you are passionate about technology and thrive in a dynamic environment, we would love to hear from you! Please share your profile with us at [email protected]

Let’s create a seamless future together!

📌 AI Engineer (Chennai)
🏢 Stitch
📍 Chennai