WebSocket · live ratesRAG · grounded answersDocker · AWS ECS

Ahmedabad · India · Remote

Software Developer·AI Engineer·Available for freelance

I build intelligent systems that move businesses forward.

Production-grade backends, AI-powered applications, automation workflows and real-time platforms—designed to solve complex business problems and scale reliably.

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  • Ahmedabad, Gujarat, India
  • Available for remote freelance work
  • Open to AI, backend, automation and full-stack projects
Backend ArchitectureAI SystemsRAG PipelinesAutomationReal-Time ApplicationsPayment IntegrationsCloud Deployment
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Verified ground truth.

Facts only — no invented metrics

0+

Years of professional experience

0

Major production system categories

0+

Live demo attendees at eChai Demo Day

0+

Payment & communication integrations shipped

Note — The projects shown here are selected highlights. I have worked on several additional projects across different domains and would be happy to walk through any of them in conversation.

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Selected work.

Nine systems · 2024—2026

01

FinTech Platform

Digital & Physical Gold and Silver Investment System

FinTech · Backend Architecture

Core backend architecture for a live-rate based precious metals investment platform covering trading, subscriptions, gifting and fulfilment.

NestJSNode.jsNext.jsReduxPython

Role

Backend architecture, API development, integrations, frontend investment flows

Private production project

View case study →
02

AI Voice Calling Automation

Conversational Sales Assistant

Conversational AI · Automation

Event-driven voice automation platform running real-time outbound conversations with adaptive dialogue and human escalation.

PythonTwilio Voice APISpeech RecognitionEdge-TTSSpaCy

Role

System design, dialogue orchestration, sentiment pipelines, data pipelines

Private production project · Presented at eChai Demo Day

View case study →
03

Intelligent Web Scraper & Local RAG Chatbot

Site-to-knowledge-base platform with an embeddable widget

AI · RAG · SaaS Backend

Crawls an entire website, turns it into a searchable knowledge base and serves it through an embeddable chatbot with subscription billing.

PythonFastAPILangChainOllamaFAISS

Role

Crawling engine, RAG ingestion pipeline, LLM workflows, billing integration

Private production project

View case study →
04

Enterprise Knowledge Assistant

Web + WhatsApp RAG Chatbot

AI · Enterprise Integration

Document-grounded answers delivered through both web chat and WhatsApp, with automated indexing of JavaScript-rendered sources.

PythonFastAPIMongoDBLLaMA 3Playwright

Role

Full-stack RAG development, indexing pipelines, messaging automation

Private production project

View case study →
05

EventRadar

WhatsApp Event Intelligence Chatbot

Automation · NLP

Crawls startup event platforms and answers natural-language event questions directly inside WhatsApp.

PythonFlaskMongoDBBeautifulSoupPydantic

Role

Crawling pipeline, structured extraction, query parsing, messaging infrastructure

Private production project

View case study →
06

College Space

Centralised college platform

Full-Stack · Academic Project

Student portals, faculty dashboards, event management and secure authentication in one centralised platform.

HTMLCSSBootstrapPHPMySQL

Role

Full-stack development

Academic project · Walkthrough available on request

View case study →
07

Credit Card Fraud Detection

Machine learning classification model

Machine Learning

A Logistic Regression model that preprocesses transaction data and flags potentially fraudulent transactions.

PythonMachine LearningLogistic RegressionScikit-learn

Role

Data preprocessing, model training, evaluation

Academic project · Walkthrough available on request

View case study →
08

Custom Shopify Grocery Store

E-commerce storefront with payment integration

E-commerce · Shopify Development

A custom grocery shopping storefront built on Shopify, with payment gateway integration.

ShopifyRazorpay Payment Gateway

Role

Shopify development, custom storefront work, payment gateway integration

Private client project

View case study →
09

n8n Workflow Automation

Connected workflows for repeatable business processes

Automation · Integrations

Built n8n workflows to connect systems, automate repeatable steps and reduce manual operational work.

n8nWebhooksAPIsWorkflow Automation

Role

Workflow design, automation implementation and integration setup

Private workflow projects

View case study →
003

Where engineering meets business impact.

01

Backend Systems

Production APIs and services designed to stay maintainable after launch.

  • Node.js
  • NestJS
  • FastAPI
  • Flask
  • REST APIs
  • WebSockets
  • Webhooks
  • Microservices
  • RBAC systems
02

AI & Intelligent Applications

Retrieval-grounded assistants and conversational systems, hosted where they need to be.

  • Large Language Models
  • LangChain
  • RAG pipelines
  • Ollama
  • LLaMA
  • HuggingFace embeddings
  • FAISS
  • Conversational systems
03

Automation & Integrations

Connecting payments, messaging and third-party systems into reliable workflows.

  • n8n workflows
  • Python automation scripts
  • Twilio Voice API
  • WhatsApp Cloud API
  • Razorpay
  • Cashfree
  • Easebuzz
  • ICICI Orange
  • DigiLocker API
  • Strapi CMS
04

Cloud & Product Delivery

Containerised services, deployed and observable on AWS infrastructure.

  • AWS ECS
  • AWS ECR
  • Application Load Balancer
  • VPC
  • RDS
  • CloudWatch
  • Docker
  • Kubernetes
  • GitHub Actions CI/CD
004

The working toolkit.

Chosen per problem, not per trend

Languages

PythonJavaScriptTypeScriptJavaSQL

Backend

Node.jsNestJSFastAPIFlaskREST APIsWebSocketsWebhooksMicroservices

Frontend

Next.jsReactReduxShopifyHTMLCSSBootstrap

Databases & Search

MongoDBPostgreSQLSupabaseFAISS

AI & Automation

LLMsLangChainRAG pipelinesOllamaHuggingFace embeddingsn8n

Commerce & Payments

ShopifyRazorpayCashfreeRecurring Payments

Infrastructure

AWSDockerKubernetesGitGitHub ActionsPostmanSwagger
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Experience.

1.5+ years professional

Creer Infotech

May 2025 – Present

Software Developer

Ahmedabad, Gujarat, India

  • FinTech investment platform
  • AI voice automation system
  • Intelligent web scraper and RAG chatbot
  • Enterprise knowledge assistant
  • EventRadar WhatsApp chatbot

QSpiders

January 2025 – April 2025

Java Full-Stack Developer Intern

Ahmedabad, Gujarat, India

  • Developed applications with Java, SQL, HTML, CSS and JavaScript
  • Built responsive cross-browser interfaces
  • Optimised Java and SQL backend logic
  • Integrated third-party APIs

Izonnet

June 2024 – July 2024

Full-Stack MERN Intern

Gujarat, India

  • Contributed to a large-scale MERN application
  • Built React interfaces
  • Developed Node.js and Express REST APIs
  • Worked with MongoDB
  • Integrated third-party APIs
  • Tested endpoints using Postman
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About.

I am a software developer focused on building reliable backend platforms, AI-powered applications and automation systems. My work spans FinTech, conversational AI, RAG knowledge assistants, logistics, payments and enterprise integrations.

I enjoy transforming complex technical requirements into practical systems that are scalable, maintainable and valuable to the people using them.

From real-time pricing engines and recurring payment workflows to locally hosted LLM systems and WhatsApp automation, I work across the complete product journey—from architecture and API development to integration, deployment and frontend collaboration.

Education

Bachelor of Computer Science Engineering

Gujarat Technological University · Gujarat, India · 2022 – 2025

Certifications & achievements

  • eChai Demo Day Presenter — Led a live demonstration of an AI voice automation system for 50+ attendees.
  • SAP Certification — Issued by Code Unnati.
  • JP Morgan Chase & Co. Virtual Experience Program — Participated via Forage.
  • Electronic Arts Virtual Experience Program — Participated via Forage.
  • Oracle Cloud Infrastructure AI Foundations — AI, machine learning, generative AI and LLM foundations.
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Bring me the problem. I’ll help engineer the solution.

01

Backend API Development

Secure, maintainable APIs and business logic designed for production use and future growth.

02

AI & RAG Chatbots

Assistants that answer from your own documents and content instead of guessing.

03

Shopify Website Development

Custom Shopify storefronts and shopping experiences built around your products and customers.

04

Workflow Automation

Manual, repetitive internal processes turned into dependable automated flows.

05

n8n Workflow Automation

Connected workflows that move data, trigger actions and remove repetitive operational work.

06

Python Automation Scripts

Purpose-built scripts for tasks such as backups, uploads and repeatable operational processes.

07

WhatsApp Automation

Conversations, notifications and support handled where your customers already are.

08

Voice Calling Automation

Outbound conversational calling with sentiment handling and human escalation.

09

Payment Gateway Integration

Checkout, recurring billing, webhooks and reconciliation wired up correctly the first time.

10

Real-Time Application Development

WebSocket-driven live data, pricing and status updates that stay in sync.

11

Cloud & Docker Deployment

Containerised services deployed on AWS with CI/CD and monitoring in place.

12

Full-Stack MVP Development

An idea taken from architecture to a working product you can put in front of users.

13

Existing System Improvement

Auditing, refactoring and extending systems that have outgrown their original design.

Have a system to build, automate or improve?

Tell me what you’re working on, what is slowing you down and what result you need. I’ll help turn it into a practical technical solution.

Direct

ladtrushil301@gmail.com

+91 9510038048

LinkedIn TrushilLad · GitHub TrushilLad

Systems, wired end to end · Architecture flow