Software Engineer, Backend

About Pentimenti.aiAt Pentimenti.ai, we are on a mission to revolutionise the bid and proposal management industry. Based in Denmark and now building our core engineering team in Bangalore, we are developing a pioneering enterprise SaaS platform that leverages the power of Generative AI to automate and elevate the entire bid lifecycle. We are a small, ambitious team solving complex problems, and we're looking for a passionate builder to help us shape the future of our product and the industry.About the RoleWe are seeking a talented and driven mid-level Backend Software Engineer to join our foundational team in Bangalore. This is not just a coding role; you will be a critical part of our AI engine room, responsible for designing, building, and scaling the complex backend systems that power our Retrieval-Augmented Generation (RAG) solutions. You will tackle challenges in advanced retrieval, context engineering, and long-running asynchronous processing, directly impacting our platform's intelligence and performance. As an early member of the team, you will have significant ownership and a clear path for growth into a leadership position.What You'll Do:- Design, develop, and maintain robust and scalable backend services using Python and FastAPI.- Architect and implement production-grade Retrieval-Augmented Generation (RAG) pipelines for our core proposal generation engine.- Build and manage complex, long-running asynchronous workflows (e.g., multi-document analysis, compliance report generation) using Azure Function Apps, particularly leveraging orchestrators and activity functions (Durable Functions).- Work extensively with our database stack, including MongoDB for application data and Qdrant for vector search and retrieval.- Implement and refine techniques in prompt engineering, context engineering, and advanced retrieval to improve the quality and relevance of our AI-generated content.- Collaborate closely with a small, cross-functional team to define features, solve problems, and deliver high-quality solutions.- Take full ownership of features from conception to deployment, embodying a product-first mindset to ensure our solutions effectively solve customer problems.Who You Are (Required Qualifications):- 3+ years of professional software engineering experience, with a strong focus on backend development.- 1+ year of hands-on, production-level experience building and deploying applications powered by Generative AI (specifically with RAG architectures).- Strong proficiency in Python and experience building APIs with frameworks like FastAPI (or Django/Flask).- Demonstrable, in-depth experience with Azure Function Apps for creating complex, stateful, and asynchronous workflows. This is a must-have skill.- Practical experience working with both NoSQL databases (e.g., MongoDB) and vector databases (e.g., Qdrant, Pinecone, Weaviate).- Experience integrating with third-party LLM APIs (e.g., Azure OpenAI, Google Gemini/PaLM).- Excellent problem-solving skills and a strong foundation in data structures and system design.- A strong sense of ownership, adaptability, and a product-first mindset. You're motivated by seeing your work solve real-world problems.- Must be based in or willing to relocate to Bangalore.Nice-to-Haves (Preferred Qualifications):- Familiarity with AI frameworks like LangChain or LangGraph.- Experience with building AI agents or multi-agent systems.- Prior experience working in a fast-paced startup environment.- An interest in mentoring junior engineers and growing into a technical leadership role.Why Join Us?- Impactful Work: Be a core contributor to a cutting-edge AI product that is transforming an entire industry.- Deep Tech Challenges: Work on complex and interesting problems at the intersection of AI, data, and enterprise software.- Growth Opportunity: As an early hire in our Bangalore team, you have an unparalleled opportunity to grow with the company into a leadership role.- Strong Team Culture: Join a small, dedicated team that values ownership, collaboration, and innovation.- Competitive Compensation & Benefits.