Mantra Digital Inc.
Senior AI Systems Architect (RAG & Agentic AI)- Contract Role
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
Mantra Digital Inc. Mumbai, Maharashtra, IND Office
Tardeo Road, 31, Arun Chambers, Mumbai, Maharashtra, India, 400018



