Principal Engineer – AI & Platform Architecture | B2B AI Startup | $100K-$120K | Greenfield

  • Bengaluru
Job Details

Full Job Description

About the Company:

A fast-growing, well-funded B2B AI startup redefining enterprise workflows with Agentic AI, Vector Databases, LLMs, and RAG systems. The company builds next-generation, scalable AI platforms that empower businesses to unlock real-time insights and automation at scale. A unique opportunity to own greenfield architecture and shape the future of AI-powered enterprise systems.

Role Overview:
Seeking a Principal Engineer to architect high-scale AI-powered platforms from scratch. Drive the technical vision, build resilient distributed systems, implement Agentic AI solutions, and mentor engineers to elevate the technical culture. This is a hands-on leadership role in a high-growth, AI-first environment.

Key Responsibilities:

  • Lead design and implementation of Agentic AI solutions using LangGraph, Vector DBs, RAG, and LLMs

  • Architect high-scale, distributed systems and define the platform roadmap from scratch

  • Build robust Python/Django/DRF applications with production-grade standards

  • Define observability strategies using ELK, New Relic and drive incident resolution

  • Mentor engineers, set technical standards, and cultivate a high-performance engineering culture

  • Rapidly prototype and deploy innovative AI concepts into production

Required Skills & Experience:

  • 8+ years building complex, distributed systems; prior Staff or Principal engineer experience

  • Expert in Python, Django, DRF, and SQL optimization

  • Proven track record in AI/LLM implementations

  • Strong experience in high-scale distributed architecture

  • Hands-on with Vector DBs, RAG pipelines, and observability tools

  • Strategic thinker with a greenfield platform mindset

Why This Role Stands Out:

  • Lead ground-up AI platform development

  • Work with cutting-edge Agentic AI and LLM tech

  • Influence technical direction in a fast-growing B2B AI startup

  • High ownership, rapid execution, and direct impact

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