Fintech

Finanshels

Full Stack Developer

Remote, India

Feb 2025 — Present

Present

90%+Bookkeeping TAT reduction
  • Spearheaded development of a comprehensive Practice Management platform using Next.js + NestJS
  • Architected a production LLM-powered AI Bookkeeper reducing bookkeeping TAT by over 90%
  • Designed event-driven microservices on AWS (Lambda, DynamoDB Streams, SQS) ensuring fault tolerance
  • Delivered client onboarding, task tracking, and team collaboration workflows across the practice platform
  • Integrated LLM pipelines for automated categorization, reconciliation, and bookkeeping in production
  • Designed RAG pipelines with vector database integration for context-aware document retrieval in financial workflows
  • Automated full-cycle organizational workflows bridging sales pipelines, project management, and accounting systems
  • Architected a personalized AI Bookkeeper with Python, CrewAI, and LangChain — multi-agent orchestrator cutting TAT from weeks to under one day
  • Built a secure client portal with unified profiles, timesheet tracking, task management, and automated report delivery
  • Directed engineering operations in the absence of the VP of Engineering — CI/CD, stand-ups, and technical innovation
Next.jsNestJSTypeScriptPythonAWS LambdaDynamoDBCrewAILangChainPostgreSQL
E-commerce

The Good Glamm Group

Python Developer

Mumbai, India

May 2024 — Feb 2025

10 months

35%p99 latency improvement
40%Faster deployment cycles
  • Migrated legacy monoliths to event-driven microservices on Docker/AWS
  • Improved p99 latency by 35% on high-traffic read paths through targeted SQL and NoSQL query optimisation
  • Refactored high-traffic read paths with optimized indexing, query plans, and caching on SQL and NoSQL stores
  • Supported e-commerce scale with containerized services and AWS-backed deployment patterns
  • Led migration of legacy services to microservices using Docker and AWS for millions of users
  • Optimized CI/CD pipelines, reducing deployment cycles by 40% and enabling rapid feature releases
  • Integrated AI-driven solutions to enhance search relevancy and user engagement
  • Developed high-performance SPAs using React and TypeScript in a high-concurrency retail ecosystem
PythonNode.jsDockerAWSReactTypeScriptFastifyMongoDBLLMs
Commerce

Dukaan®

Backend Engineer

Bengaluru, India

May 2024 — Sep 2024

5 months

25%RAG response accuracy gain
99.9%Platform uptime
  • Optimized RAG pipelines with context-aware retrieval and evaluation frameworks
  • Integrated TypeSense and vector databases for 10,000+ daily inquiries with latency-focused tuning
  • Designed resilient backend architecture with seamless failovers during peak traffic
Node.jsExpress.jsPythonTypeSenseVector DBsPostgreSQLCohere
Internship

AI Planet

Python Developer

Mumbai, India

Feb 2024 — May 2024

4 months

  • Contributed to core architecture of an open-source agentic AI framework
  • Focused on multi-modal tool integrations and secure API orchestration
  • Engineered planning algorithms and memory-management systems for long-term context across multi-step workflows
PythonLangChainCrewAILLMsAPI Development
Internship

Fintricity

Data Engineering Intern

London, UK

Feb 2022 — Oct 2022

9 months

30%Client engagement lift
40%User engagement boost
  • Engineered data ingestion pipelines and graph data models in Neo4j for a flagship web application
  • Developed interactive data visualizations driving a 30% increase in client engagement
  • Spearheaded front-end development that boosted user engagement by 40% and cut onboarding time by 30%
Neo4jData IngestionGraph DatabasesUI/UXData Modeling

Tanish Khandelwal · Senior Full Stack Engineer · 2026