Refrens.com is a leading business operating system trusted by over 350,000 businesses across 178+ countries. Our platform empowers users with tools for bookkeeping, lead management, and business networking — helping them streamline operations and grow faster.
The platform has garnered support from prominent investors such as Kunal Shah, founder of CRED; Vijay Shekhar Sharma, founder of Paytm; Dinesh Agarwal, founder of Indiamart; and Anupam Mittal, founder of Shaadi.com and a judge on Shark Tank India.
- Build AI applications: chatbots, copilots, invoice assistants, document AI, and autonomous agents
- Implement RAG using embeddings and vector databases
- Fine-tune or adapt open-source LLMs (Llama, Mistral, Qwen, etc.)
- Optimize for performance: inference speed, accuracy, and hallucination reduction
- Develop evaluation frameworks and data pipelines
- Build internal tools for automation, testing, and monitoring
- Strong Python skills
- Hands-on experience with LangChain, LlamaIndex, vector databases
- Solid understanding of prompting, embeddings, and sampling techniques
- Experience with GPUs, fine-tuning, or training workflows
- Ability to ship fast, debug quickly, and iterate rapidly
