Technical Lead – Python, Agentic AI & LLM

Technical Lead – Python, Agentic AI & LLM Job Title: Technical Lead

Experience: 8–12 Years

Location: Guindy / OMR, Chennai

Work Mode: Work from Office – 5 Days a Week

Joining Preference: Immediate Joiners Preferred

About The Role We are hiring an experienced Technical Lead to lead the engineering of an enterprise SaaS product built using agentic AI and large language models .

The selected professional will own the technical architecture, establish engineering standards, guide the backend engineering team and remain hands-on with the most critical areas of the platform.

Key Responsibilities

• Own the end-to-end technical architecture and convert it into a practical delivery roadmap.
• Lead the design of scalable backend services, APIs and data models.
• Architect AI integration layers covering LLM provider abstraction, prompt versioning, caching, fallback mechanisms and cost control.
• Design agentic AI systems involving orchestration, tool use, structured outputs and reliability guardrails.
• Define integration frameworks for enterprise systems, databases and third-party APIs.
• Drive multi-tenant architecture, access control, auditing and compliance readiness.
• Establish engineering standards for testing, CI/CD, code reviews and technical documentation.
• Mentor engineers, conduct design reviews and strengthen the team’s technical capabilities.
• Remain hands-on and develop code for critical components of the platform.

Technical Stack

Python

• FastAPI
• PostgreSQL
• MongoDB
• Redis
• Docker
• Kubernetes
• Pydantic
• MinIO/S3
• LLM APIs
• OpenTelemetry
• Prometheus
• Grafana
• Git
• GitHub Actions

Required Experience And Skills

• 8–12 years of relevant software engineering experience.
• Experience leading backend engineering teams of five or more engineers through system design, development and delivery.
• Proven experience architecting and delivering multi-service platforms with clearly defined domain boundaries.
• Deep expertise in Python, asynchronous programming patterns, FastAPI or equivalent frameworks and production-scale backend development.
• Strong experience with PostgreSQL and MongoDB, including database design, optimisation and large-scale migrations.
• Experience building production systems using LLMs, agentic AI or AI orchestration frameworks.
• Practical experience with RAG, vector databases or semantic search in production environments.
• Hands-on experience with Docker, Kubernetes and AWS or Azure cloud infrastructure.
• Experience designing multi-tenant SaaS platforms with tenant isolation, RBAC and tenant-specific configuration.
• Strong understanding of event-driven architecture, message buses, asynchronous workers and webhooks.
• Experience designing versioned and documented APIs and data models used across multiple teams.
• Ability to lead by example and maintain strong coding and engineering standards.

Why Join

This is a founding technical leadership opportunity within an early-stage product with a long-term roadmap. You will play a central role in shaping the platform architecture, engineering culture and technical team.

The role offers an opportunity to build a substantial enterprise product and grow towards a Principal Engineer or Staff Engineer position as the organisation scales.

Apply Now

Apply Through Our Careers Portal https://letzbizz-jobs.zite.so

You May Also Send Your Updated Resume To [email protected] Immediate joiners are preferred. This is strictly a Work-from-Office position for five days a week in Guindy / OMR, Chennai. You may also refer suitable friends or professional contacts who match this requirement.

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