Ritwik Math
Verified Expert in Engineering
Software Engineer and Developer
Kolkata, India
Toptal member since September 25, 2026
Ritwik has spent over 10 years building agentic AI solutions across the supply chain, telecom, and fintech sectors. His toolkit centers on Python, LangChain, and Neo4j. While at GlobalLogic, Ritwik reduced inference costs by 35% through optimized LLM workflows and database-native retrieval.
Portfolio
Experience
- Python - 8 years
- FastAPI - 8 years
- PostgreSQL - 8 years
- Generative Artificial Intelligence (GenAI) - 4 years
- LangChain - 4 years
- Azure AI Search - 4 years
- Agentic AI - 4 years
- GraphRAG - 2 years
Preferred Environment
Docker, LangChain, Azure, AWS IoT, PostgreSQL, OpenAI, Claude Code
The most amazing...
...enterprise AI platform I've architected enabled secure agent orchestration and cut inference costs by 35% for a global client.
Work Experience
Lead Software Engineer (Generative AI)
GlobalLogic
- Led the architecture and delivery of enterprise Agentic AI solutions, translating ambiguous business requirements into secure, production-oriented agent workflows and continuously refining the architecture based on user feedback.
- Built rapid application development POCs to validate AI ideas quickly with users, using early feedback to clarify requirements, identify gaps, and iteratively evolve solutions before committing to production architecture.
- Engineered ontology-driven Knowledge Graph solutions using Neo4j to represent complex enterprise relationships and enable GraphRAG-based reasoning across multi-tier suppliers, BOMs, and business entities.
- Designed and implemented hybrid retrieval pipelines using PostgreSQL pg_trgm, Full-Text Search, RRF, and source fusion, using database-native retrieval to reduce unnecessary LLM invocation.
- Implemented AI observability and evaluation capabilities using Langfuse and DeepEval to trace agent execution, monitor tool interactions, audit data access, and evaluate AI workflow behavior.
- Reduced unnecessary LLM calls, token consumption, and response latency by using database-native retrieval and ranking to resolve straightforward queries before escalating to LLM-based reasoning. Optimized LLM workflows further through caching.
- Engineered a hybrid customer-support assistant for NEU, building the end-to-end RAG pipeline for PDF ingestion, chunking, embeddings, vector storage, and semantic retrieval, while implementing Text-to-SQL to query PostgreSQL customer data securely.
Senior Web Developer
CodeClouds
- Led the modernization of the Simplify Suite from a monolithic application to cloud-native microservices, introducing Go-based services, Python/FastAPI modules, Docker, Kubernetes, and Kafka to improve scalability and independent service deployment.
- Designed subscription and payment microservices using Go, FastAPI, and Stripe, integrating Redis caching and MongoDB persistence to support high-volume transaction processing and reliable payment workflows.
- Built an early GenAI knowledge-assistant POC that used LLM-powered semantic search/RAG over enterprise documentation, allowing users to ask natural-language questions and receive grounded answers from internal knowledge sources.
Laravel Developer
Concertium
- Enhanced and developed the Grainbank platform using Laravel and Node.js, supporting 100,000+ users and delivering scalable features for the platform.
- Initiated and implemented Jenkins-based CI/CD pipelines to automate build, testing, and deployment workflows, reducing deployment time by 30% and enabling faster, more reliable releases.
- Implemented software that processes a large amount of pdf and stores data in a database.
Web Developer
NerdyTurtlez
- Initiated and developed WorkHive, a project-tracking and workflow-management platform designed to improve visibility into project progress and team productivity.
- Served as a senior team member, working with freshers and guiding them to understand the system quickly.
- Monitored and tracked issues in the system and resolved the issues as quickly as possible.
Experience
SCM Cockpit
• Built GraphRAG/Knowledge Graph capabilities with Neo4j for multi-tier supplier and BOM relationships, enabling multi-hop supply-chain reasoning and secure tool integration.
• Implemented Azure AD/Microsoft Graph identity and access controls with schema-level data isolation and trust boundaries to prevent unauthorized or cross-agent data access.
• Built production observability and evaluation using Azure Application Insights and distributed tracing, monitoring agent execution, tool calls, latency, failures, and workflow telemetry.
• Evaluated traditional, hybrid, and Adaptive RAG, evolving the solution toward vector plus Knowledge Graph retrieval for more accurate supply-chain reasoning.
Education
Bachelor's Degree in Computer Science and Engineering
Maulana Abul Kalam Azad University of Technology - Kolkata, India
Certifications
Microsoft Certified Solution Developer
Microsoft
Skills
Libraries/APIs
API Development, Stripe, Node.js, React, Claude API
Tools
GraphRAG, Azure OpenAI Service, ChatGPT, Amazon OpenSearch, Text-to-SQL, Jenkins, Azure Application Insights, Splunk, Claude Code
Languages
Python, SQL, Go, JavaScript
Frameworks
Agentic Frameworks, LangGraph, Laravel, Ontology Framework
Platforms
Azure, Amazon Web Services (AWS), Docker, Azure AI Search, Langfuse, Kubernetes, AWS Lambda, Azure Functions, AWS IoT
Storage
Neo4j, Redis, PostgreSQL, MongoDB, Databases, Datadog
Paradigms
Model Context Protocol (MCP)
Other
Large Language Models (LLMs), Retrieval-augmented Generation (RAG), FastAPI, Generative Artificial Intelligence (GenAI), Knowledge Graphs, RAG Systems, Context Engineering, Ontologies, Artificial Intelligence (AI), RAG Pipelines, LLM Agents, Conversational AI, AI Agents, Prompt Engineering, Agentic RAG Systems, RAG Architecture, LangChain, LLM Observability, Azure AI Foundry, Containerization, Cloud Computing, Agent Orchestration, Pinecone, Temporal, Amazon Bedrock AgentCore, Full-stack, Multi-agent Systems, Vibe Coding, Microsoft Azure, AI Voice Agents, VoiceBot, Agentic AI, DeepEval, Kafka, CI/CD Pipelines, Microsoft Graph API, ServiceNow, AI Guardrails, Azure Service Bus, Software, Software Development Lifecycle (SDLC), OpenAI, AI Compliance, AI Security, Single Sign-on (SSO), Amazon Bedrock
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