I build production-grade AI systems and intelligent automation engines — from LLM fine-tuning and RAG pipelines to large-scale scraping infrastructures and algorithmic trading systems.
With 20+ years of full-stack engineering experience, I help startups and enterprises turn complex ideas into scalable, reliable, and revenue-generating products. I lead a senior team at AristoMax focused on shipping high-performance systems with deep ownership and zero fluff.
What We Build
------------------
* AI & LLM Systems
* LLM fine-tuning, prompt engineering, and RAG pipelines
* Vector databases, knowledge retrieval systems
* Production-ready AI chatbots & conversational tools
* Omni-channel inboxes, AI chat platforms, metronome & intelligent workflow systems
OCR & Document Intelligence
------------------------------------
* Large-scale OCR pipelines (Tesseract + custom processing)
* PDF/Image data extraction and automation workflows
Large-Scale Web Scraping & Data Engineering
--------------------------------------------------------
* Built and automated scraping engines processing 800K+ web pages
* Weekly scalable automation pipelines
* Python, Scrapy, Selenium, Playwright, distributed scraping architecture
Algorithmic Trading & Strategy Engineering
----------------------------------------------------
* 30+ trading strategies and execution gates implemented
* NinjaTrader, MetaTrader 5 (MQL5), TradingView (Pine Script), C#, Python
* Robust backtesting, execution control, and performance optimization
GenAI & SaaS Product Development
--------------------------------------------
* From idea to MVP to production
* React, Node.js, Golang, Python architectures
* API integrations, voice AI (VAPI, ElevenLabs, Retell, Bland.ai)
Why Clients Choose Us
----------------------------
* 10-member senior engineering team (5–15 years experience each)
* Proven experience with high-volume data systems and trading automation
* Clean, production-ready code with documentation
* Strong architectural thinking — not just task execution
* Trusted by founders and technical teams globally
We don’t just build features — we build systems that scale, trade, analyze, and automate reliably in production.
If you're looking for a serious engineering partner for AI, trading automation, or data-heavy systems — let’s talk.
Artificial Intelligence
Machine Learning
NinjaTrader
MetaTrader 5
TradingView
Web Scraping
Chatbot Development
Robotic Process Automation
LLM Prompt Engineering
Generative AI
OCR Algorithm
Golang
Python
React
Airtable
Arpan D.
Ahmedabad, India
$35/hr
5.0
26 jobs
Hi, I’m Arpan a Fintech expert.
I help FinTech startups and financial platforms build secure, scalable, and integration-heavy products across banking, payments, lending, onboarding, and financial automation.
I bring 15+ years of experience in FinTech product development and consulting, with hands-on work across Open Banking APIs, ACH flows, KYC/AML integrations, lending systems, and financial infrastructure.
Clients usually work with me for three reasons:
1. Deep FinTech specialization
I focus specifically on FinTech, which means I understand the product, compliance, integration, and operational complexity involved in building financial applications.
2. Strong integration experience
I have worked with leading FinTech APIs and platforms such as Plaid, Dwolla, Finicity, Marqeta, Alloy, Onfido, Persona, Equifax, TaxJar, ADP, and others to build reliable and compliant user experiences.
3. Practical delivery mindset
I help clients move faster by combining product thinking, technical execution, and real-world experience in security, privacy, and compliance-sensitive environments.
What I can help you build :
FinTech Product Development Services
Banking App Development
Digital Banking Platform Development
Trading App Development
Investment Platform Development
Lending Platform Development
Loan Origination & Loan Management Systems
Payment Platform Development
ACH & Payment Gateway Integration
Embedded Finance Products
Wealth Management Platforms
Personal Finance Applications
Financial Dashboard Development
Expense Management Platforms
Accounting & Payroll Integrations
KYC / AML / Identity Verification Systems
Banking API & Open Banking Integrations
FinTech Mobile App Development
Financial Web Application Development
API Integration & Middleware Development
Core integrations and platforms :
Banking / Open Banking / Payments
Plaid, Dwolla, Finicity, ACHQ, Marqeta, YapStone
Lending / Credit / Servicing
Encompass, Canopy Servicing
Identity / Compliance / Risk
Alloy, Certn, Checkr, Persona, Onfido, Equifax
Investment / Trading
Alpaca Stocks API
Tax / Payroll / Back Office
TaxJar, ADP Payroll, Paychex
Tech stack :
Front-end - Javascript, React, Angular, NextJS)
Backend - .NET Core, Java, Nodejs, Python, Go, PHP Mobile - React Native, Flutter, iOS
API Management - apigee, Mulesoft
Cloud - Azure, GCP, AWS, Railway
DevOps - Kubernetes, GIT, Jenkins, Artifact Registry, Argo Database - PostgreSQL, MySQL, Oracle, Mongo
UI/UX - Figma, Framer
Cache: Redis Cache, KeyCloak RBAC, OpenKM DMS Logging: ELK, EFK, Grafana
Search: Apache Solr
Firewall: Cloud Armor, GCP Baston
Why clients hire me :
Strong FinTech domain knowledge
Experience with API-heavy financial products
Security- and compliance-aware development
Clear communication and reliable execution
Ability to work from idea to production
I’ve contributed to products in areas such as lending, payments, wealth management, tax workflows, freelancer finance, and financial wellness.
If you need a developer who understands both FinTech product logic and technical execution, I’d be glad to discuss your project.
Let's connect to discuss your Fintech Product.
FinTech
FinTech Consulting
Flutter
iOS Development
API Integration
Node.js
AI Development
AI App Development
Python
AWS Lambda
Personal Finance & Wealth Management
Amazon Cognito
Finance & Accounting
Stripe API
Finance & Banking Chatbot
Mobile App Development
Web Application Development
Building Design
Shalvi M.
Ahmedabad, India
$50/hr
5.0
6 jobs
Shalvi Mehta is a Corporate & Disputes Lawyer. She is enrolled at the Bar Council of Maharashtra & Goa and has worked in Mumbai for a few years, at the very start of her career. She has varied experience in handling commercial disputes, especially international and domestic arbitration and excels at Corporate Advisory and Contract Management.
She is a law graduate from Gujarat National Law University.
She regularly advises corporate houses on all encompassing legal matters and strategies as well as keeps a keen eye on the drafting, execution and evolution of their Contracts. She also currently acts as a Counsel in varied domestic and international arbitrations.
She has authored articles published by the very reputed India Business Law Journal, SCC, Bar & Bench, Manupatra, GAR and AFIA.
She has also contributed in developing a Handbook on Arbitration for Institute of Company Secretaries of India (ICSI).
AREAS OF EXPERTISE
* Corporate Advisory
* Contract Management and Supervision
* Alternative Dispute Resolution
* Commercial Disputes
* Pre-Dispute Advisory
* Precautionary and avoidance of Disputes
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