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Chiranjeev Thomas with his Ragdoll cat resting on his shoulder
Senior Full-Stack Engineer · Agentic AI · Bengaluru · Open to new roles

I build agentic applications end to end.

Senior full-stack engineer with 7+ years of experience. I build AI products that real people use, from search that understands plain language to agents that get work done safely, with a human in the loop where it matters.

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Psst. Ask me about my human.I’ve napped on his keyboard through every project · here to help
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Meow! I’m Miso. I’ve watched Chiranjeev build every one of his projects, so ask me anything about his work. I’ll dig through his portfolio and show you exactly where I found each answer.
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Projects

AI engineering and full-stack work, plus products I’ve shipped

At Grabbit
  • AI engineering
  • Full-stack

Conversational product search with an LLM

Shoppers describe what they want in plain language; an LLM turns it into an Elasticsearch query. Non-technical users can now run searches that used to need filters and exact keywords.

  • LLM
  • Elasticsearch
  • Spring Boot
  • React Native
  • AWS
How it works

Demo: in Grabbit app · Code: private

In progress
  • AI engineering

Agent observability & evals for InvoiceChaser

Per-step tracing of every agent run, plus a golden-set eval that checks tone and tool choice at each escalation level before a prompt change ships.

  • Tracing
  • Evals
  • Python
How it worksGitHub
SaaS product
  • Product
  • Full-stack

DevReferral — developer career platform

Helps developers upskill, connect and get referred to roles at top tech companies. Built and ran it as founding engineer — 20+ features, the move to microservices, CI/CD and A/B-tested growth.

  • React
  • Next.js
  • Node.js
  • Express
  • MongoDB
  • TypeScript

Demo: no longer online · Code: private

Experience

7+ years shipping products end to end — six as a founding engineer, now an early hire scaling a delivery platform

  1. Jul 2025 — Present · 1 yr 4 mos

    Grabbit

    SDE-2 · Early engineering hire

    Last-mile delivery platform · 14,000+ users · 44,000+ orders

    • LLMs
    • Elasticsearch
    • Spring Boot
    • React Native
    • React
    • AWS Lambda
    • DynamoDB
    • Redis Streams
    • AI · LLMShipped LLM conversational search to production — natural language translated into Elasticsearch queries, so non-technical users can run complex product searches and the catalogue is far easier to discover. Case study →
    • B2C → B2BLed the platform’s move from a B2C delivery app to a hybrid B2C + B2B marketplace — across the React Native app, React web portal and Spring Boot + AWS backend.
    • New revenueDesigned and launched the full merchant ecosystem — mobile app, web portal and APIs, with warehouse-scoped data isolation, onboarding independent restaurants and shops across 3 warehouses and unlocking a new B2B revenue stream.
    • −40%Architected real-time GPS order tracking — on RESTful APIs and Redis Streams, giving customers live order status and cutting support inquiries by 40%.
    • 99%+Built an event-driven notification pipeline — (Spring Boot, AWS Lambda, Firebase FCM, DynamoDB) with 99%+ delivery and zero blocking on order creation, eliminating missed merchant orders.
  2. Mar 2019 — Jul 2025 · 6 yrs 5 mos

    DevReferral (ReferFee)

    Founding Software Engineer

    Career platform helping developers upskill, connect and get referred to top tech companies

    • React
    • Next.js
    • Node.js
    • TypeScript
    • Microservices
    • CI/CD
    • TDD
    • 0 → 1Owned the full development cycle as the founding engineer — planning, building, debugging, shipping and maintaining, while validating customer problems, running interviews and defining product KPIs.
    • +30% usersGrew the user base 30% — through targeted A/B testing and insights from user interviews.
    • +40%Designed and shipped 20+ end-to-end product features — with UX designers, lifting user engagement 40%.
    • −40%Moved the platform to microservices as it scaled — improving performance and maintainability and cutting deployment times 40%.
    • −60%Cut page load times 60% — in the React and Node.js web apps through code optimisation and asset management.
    • +50%Built and ran the CI/CD pipeline — raising release frequency 50%, and introduced test-driven development across the codebase, reducing bugs 25%.
    • MentorMentored junior engineers — through regular code reviews and knowledge-sharing sessions on engineering best practices.
  3. Jan 2019 — Mar 2019

    dDriven

    Software Engineer Intern · Platform team

    Industry 4.0 data platform for manufacturers. Designed a Spring Boot microservice that adds computational expressions dynamically for timely data processing, built its backend API to a Swagger spec, and set up Jenkins CI on GitHub.

  4. Oct 2016 — Apr 2017

    Beacon Innovation Group

    Android Developer Intern · Backend

    Patent search and drafting firm. Built the backend logic and REST API for querying patents in an Android patent-analysis app.

Skills

The AI and full-stack toolkit I ship with. Click any skill to see where I’ve used it.

Agents & orchestration

AI engineering

LLMs & prompting

AI engineering

Retrieval & RAG

AI engineering

Evals & observability

AI engineering

Frontend & mobile

Full-stack

Backend & APIs

Full-stack

Data & messaging

Full-stack

Cloud, DevOps & practice

Full-stack

Hiring for an AI engineering role?

I’m a senior full-stack engineer who ships LLM features to production, and I’m open to new roles. Email me, or ask Miso at the top of the page anything about my work first.

Email meLinkedIn

chiranjeevwork@gmail.com