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Mantra Digital Inc.

Senior AI Systems Architect (RAG & Agentic AI)- Contract Role

Posted 5 Days Ago
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In-Office or Remote
Hiring Remotely in Mumbai, Maharashtra
Senior level
In-Office or Remote
Hiring Remotely in Mumbai, Maharashtra
Senior level
Design and scale real-world AI systems focusing on RAG and Agentic AI, ensuring high performance and governance within production environments.
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Senior AI Systems Architect (RAG & Agentic AI)

Consultant | Part-Time (20–30 hrs/week) | India
Compensation- ₹2,000 – ₹3,000 per hour (based on seniority & depth we’re open to negotiation with the right candidates)
Estimated monthly (20–30 hrs/week)
Experience: 5-8+yrs
Reports to: CTO
Location: Remote

We’re looking for a production-grade RAG & Agentic AI expert to design and scale real-world AI systems.This is NOT a prompt engineering or chatbot role.We need a backend/distributed systems engineer who has built and operated AI infrastructure under real traffic.

What You’ll Architect & Own


Retrieval-Augmented Generation (RAG)

  • Knowledge base ingestion pipelines
  • Token-aware & semantic chunking strategies
  • Embedding model selection & tradeoffs
  • Vector DB design & optimization
  • Metadata filtering & multi-tenant isolation
  • Hybrid search (vector + keyword)
  • Retrieval reranking & high-QPS caching
  • Retrieval evaluation (recall@k, MRR, hit rate)
  • Grounded generation & hallucination mitigation
  • Knowledge base versioning & rollback
  • Large-scale indexing strategies

 Vector Search Systems

  • Pinecone, Milvus, Weaviate, OpenSearch vector, etc.
  • ANN indexing & similarity search optimization
  • High-dimensional embedding tuning
  • Query latency optimization
  • Cost-performance tradeoffs in embedding storage
  • Scaling under heavy concurrency

Agentic AI Systems

  • Structured outputs (JSON schema enforcement)
  • Tool-calling workflows
  • Action gating & policy enforcement
  • State-machine conversation design
  • Retry/fallback strategies
  • Confidence scoring
  • Idempotent action execution
  • Failure handling in multi-step workflows
  • Hallucination containment
  • Memory architecture (short-term, long-term, structured slots)

Production LLM Infrastructure

  • Low-latency LLM pipelines
  • Rate limiting & per-tenant quotas
  • Token optimization & cost control
  • Observability (latency, retrieval quality, tool accuracy)
  • Distributed systems design
  • Concurrency handling
  • Fault tolerance & graceful degradation

Governance & Evaluation

  • Document lifecycle management
  • Knowledge version control
  • Tenant-level data isolation
  • Audit trails & retrieval traceability
  • Compliance-aware data handling
  • Offline retrieval evaluation
  • Grounding verification
  • Retrieval benchmarking datasets
  • Continuous quality monitoring
  • Drift detection
  • Error analysis workflows

Ideal Background

  • 5–8+ years backend engineering
  • Strong distributed systems experience
  • Search / Information Retrieval background
  • Built production AI systems beyond prototypes
  • Scaled systems under real traffic

Not a Fit If

  • Only prompt engineering experience
  • Only chatbot building experience
  • Only academic ML without production systems
  • Junior-level LLM API usage

Why Work With Us?

Joining Meera.AI means stepping into a challenging yet incredibly rewarding opportunity. As part of our team, you’ll help build digital marketing and outbound automation innovations from the ground up-alongside talented specialists and with strong financial backing.

Because we’re still in the early stages of our journey, you’ll gain first-hand experience in the full lifecycle of a fast-moving startup-from acquiring our first customers to scaling and raising multiple funding rounds. If you choose to grow with us.

What We Do at Meera.AI

Meera.AI is an AI-powered customer engagement and automation platform designed to help businesses scale conversations, accelerate lead conversions, and significantly boost revenue-without relying on manual outreach. We combine AI-driven SMS, voice, email, and WhatsApp automation with deep CRM integrations to help companies: Our mission is simple: to help businesses create meaningful, revenue-driving customer conversations using the power of AI.

Work/Life Balance at Meera.AI

We want to be honest about the realities of an early-stage startup. At this stage, flexible hours and hustle can make a meaningful difference in our impact. Sometimes this means working later into the evening or, on rare occasions, supporting a weekend push-but this is driven by personal ambition, not expectation.

We operate with:

  • Flexibility: You manage your schedule in the way that helps you do your best work.
  • No hidden expectations: We don’t expect anyone to overwork.
  • Direct access to leadership: We maintain an open-door policy-everyone can reach out to the leadership team anytime for support or feedback.

Our Culture & Values

At Meera.AI, culture is everything. We look for individuals who thrive in ownership-driven, collaborative, and honest environments.

Our values include:

Curiosity: We are obsessively curious about all possibilities and options.  

Trust : We engage in ways that ignite and nurture trust with everyone, and within everything we do.

Empathy: We put human emotions into our solutions, humanizing everything. 

Top Skills

Agentic Ai
Ai Systems
Distributed Systems
Llm Infrastructure
Milvus
Opensearch
Pinecone
Rag
Vector Db
Weaviate

Mantra Digital Inc. Mumbai, Maharashtra, IND Office

Tardeo Road, 31, Arun Chambers, Mumbai, Maharashtra, India, 400018

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