Mphasis · 22 hours ago
Agentic AI Developer
Berkeley Heights, NJ
Full-time
Onsite
Mid, Senior Level
$120K/yr - $140K/yrMphasis is seeking a strong agentic AI developer to build and productionize Vertex AI-based RAG systems. The role involves designing reliable tool-using agents, working with vector and graph databases, and owning the end-to-end delivery of AI solutions.
Artificial Intelligence (AI)BlockchainCyber SecurityInformation TechnologyIT Management
Responsibilities
Design and implement RAG pipelines on Google Cloud / Vertex AI (chunking, embeddings, indexing, retrieval, reranking, grounding)
Build agentic workflows (tool use, planning, reflection/guardrails, structured outputs) using Python-first frameworks
Integrate agents with Graph DBs (e.g., Neo4j, JanusGraph, Neptune) and Vector DBs (e.g., Vertex Vector Search, Pinecone, Weaviate, Milvus, pgvector)
Create robust data ingestion/ETL from PDFs, docs, webpages, and internal sources; implement metadata strategy and access control
Define and run evaluation (retrieval metrics, answer quality, hallucination/grounding checks), and improve system quality iteratively
Ship to production: APIs, monitoring/observability, cost/performance optimization, CI/CD, and security best practices
Qualification
Required
Strong Python (clean architecture, async, testing, typing, packaging)
Proven experience building RAG solutions (hybrid search, reranking, chunking strategies, embeddings, prompt + schema design)
Hands-on with Vertex AI and GCP fundamentals (IAM, logging/monitoring, Cloud Run/GKE, storage)
Experience with at least one agentic framework (e.g., LangGraph/LangChain, LlamaIndex, Semantic Kernel, AutoGen) and tool/function calling patterns
Solid knowledge of vector search concepts and at least one vector DB in production
Comfortable with graph data modeling and graph querying (Cypher/Gremlin/SPARQL basics)
Strong engineering practices: code reviews, testing, telemetry, secure-by-design, reliability mindset
Preferred
Knowledge graphs for RAG (entity linking, graph traversal + retrieval fusion)
Streaming/messaging (Pub/Sub, Kafka), document pipelines (Document AI), and multilingual retrieval
Experience with evaluation tooling (RAGAS, TruLens, custom eval harnesses), prompt/version management
Frontend integration (basic React/Next.js) or platform enablement (internal developer tooling)
Company
Mphasis
Mphasis is an IT services company that offers blockchain, cyber security, product engineering, DevOps, and other services. It is a sub-organization of Blackstone Group.
Founded in 1998
10001+ employees
H1B Sponsorship
Mphasis has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1685)
2024 (1453)
2023 (1350)
2022 (1639)
2021 (1415)
2020 (1251)
Funding
Current Stage
Public CompanyTotal Funding
$68.92MKey Investors
Blackstone Group
2020-04-02Post Ipo Equity· $68.92M
2016-04-05Acquired
2004-06-04IPO
Leadership Team
Nitin Rakesh
Chief Executive Officer and Managing Director
Aravind Viswanathan
Chief Financial Officer
Recent News
2026-01-11
2025-12-27
2025-12-26
Company data provided by crunchbase