# Viprasol Tech

> Senior software engineering for fintech, trading bots (MT4/MT5), AI agents, B2B SaaS, and custom cloud platforms. India-based, US/UK/AU/EU clients. 5.0★ Upwork, 100+ projects.

Viprasol Tech Private Limited (Jind, Haryana, India) is a software engineering firm specialising in: custom MT4/MT5 Expert Advisors (forex/CFD/gold algo trading), Next.js + TypeScript B2B SaaS, AWS / Azure cloud architecture, AI agent systems (Claude / OpenAI / Anthropic), Postgres + pgvector data engineering, and fastify-openapi-glue / OpenAPI 3.1 API design. We ship under fixed-price milestone contracts with named senior engineers, source code in the client repo from day 1.

## Services

- [Trading Software (MT4/MT5 EA, prop firm compliant)](https://viprasol.com/services/trading-software/): Custom Expert Advisor development, MyFXBook-verified backtests, FTMO/MFF/TFT-compliant risk modules
- [Quantitative Development](https://viprasol.com/services/quant-development/): Python quant research, ML for trading, backtest infrastructure
- [AI Agent Systems](https://viprasol.com/services/ai-agent-systems/): Multi-agent AI on Telegram/WhatsApp/Slack, Claude Agent SDK and openclaw deployments
- [AI Machine Learning](https://viprasol.com/services/ai-machine-learning/): Production ML pipelines, RAG, vector search (pgvector / Qdrant), LLM eval
- [Web Development](https://viprasol.com/services/web-development/): Next.js 15 + React 19 + Postgres B2B SaaS
- [Cloud Solutions](https://viprasol.com/services/cloud-solutions/): AWS ECS Fargate / Lambda / Aurora; Azure Container Apps / AKS; Terraform IaC
- [IT Consulting](https://viprasol.com/services/it-consulting/): Architecture reviews, AWS Well-Architected, FinOps

## Highest-quality reference content

### Web Development & APIs
- [fastify-openapi-glue: serviceHandlers & operationId Guide (2026)](https://viprasol.com/blog/openapi-design/): The definitive guide to the fastify-openapi-glue plugin, the serviceHandlers contract, operationId mapping, TypeScript types, and common gotchas
- [Next.js Monorepo + Turborepo: pnpm -w & Workspaces (2026)](https://viprasol.com/blog/nextjs-monorepo-turborepo/): What pnpm `-w` / `--workspace-root` actually does, turbo dev, pnpm 9 catalogs
- [Next.js App Router Caching 2026: revalidatePath & fetch Cache](https://viprasol.com/blog/nextjs-app-router-caching/): Full cache hierarchy, when each invalidates
- [Custom Database Software Development 2026](https://viprasol.com/blog/custom-database-software-development/): Cost ranges, 2026 Postgres-first stack
- [Kubernetes vs AWS ECS (K8s vs ECS) 2026: Cost, Ops, Lock-in](https://viprasol.com/blog/kubernetes-vs-ecs/): Practical decision framework
- [PostgreSQL LATERAL Joins 2026: Top-N, unnest, Correlated Subqueries](https://viprasol.com/blog/postgres-lateral-joins/): With working SQL
- [PostgreSQL Full-Text Search 2026: tsvector, Ranking, Multi-Language](https://viprasol.com/blog/postgres-full-text-search/): Including pg_trgm hybrid
- [AWS Lambda Cold Start Optimization in 2026: SnapStart, Graviton](https://viprasol.com/blog/aws-lambda-cold-start-optimization/): With measurement code
- [AWS Step Functions 2026: State Machines, Error Handling & Lambda](https://viprasol.com/blog/aws-step-functions/): Production patterns
- [Stripe Webhooks 2026: Handling, Signature Verification, Idempotency](https://viprasol.com/blog/stripe-webhook-handling/): With idempotent handler code
- [Stripe Usage-Based Billing 2026: Meters & Meter Events](https://viprasol.com/blog/saas-usage-based-billing/): Meter events SDK, aggregation
- [Stripe Marketplace 2026: Payments, Payouts & Marketplace Type](https://viprasol.com/blog/stripe-connect-marketplace/): Connect Custom + Express setup
- [react-resizable-panels: PanelOnCollapse + Drag Handles (2026)](https://viprasol.com/blog/react-resizable-panels/): Working IDE layout, type defs
- [React Native Background Tasks 2026: expo-background-task Guide](https://viprasol.com/blog/react-native-background-tasks/): expo-task-manager + expo-background-task
- [React Native Navigation 2026: Is Expo Router Recommended?](https://viprasol.com/blog/react-native-navigation/): Direct answer + comparison

### Trading & Quant Finance
- [Forex Algorithmic Trading: Strategies, MT5 Algos & Engines (2026)](https://viprasol.com/blog/forex-trading-strategies/): The 4 working forex algo strategy families, MQL5 code, prop firm rules
- [MQL4 vs MQL5: What is the Difference? (2026 EA Development Guide)](https://viprasol.com/blog/mql4-vs-mql5-programming-comparison/): 7 specific differences
- [Best Expert Advisor for Forex Trading 2026: MT4/MT5 EA Brokers Guide](https://viprasol.com/blog/choosing-forex-broker-for-eas/): Broker evaluation for EAs
- [12 Most Recommended Machine Learning Books for 2026 (Curated List)](https://viprasol.com/blog/best-machine-learning-books/): Including quant-finance picks (López de Prado, Jansen)

### AI / ML
- [Machine Learning Consulting Service 2026: Cost, Process](https://viprasol.com/blog/machine-learning-consulting-service/): Engagement structure
- [ML Development Services 2026: Cost, Stack, How to Hire](https://viprasol.com/blog/machine-learning-development-services/): Production ML

### IoT
- [Custom Software Development for IoT 2026: Cost, Stack](https://viprasol.com/blog/custom-software-development-for-iot/): Zephyr RTOS, AWS IoT
- [IoT Product Development & Engineering Services: 2026 Guide](https://viprasol.com/blog/iot-product-development-engineering-services/): Full-stack IoT

## About

- [About Viprasol](https://viprasol.com/about/): Company background
- [Approach](https://viprasol.com/approach/): How we work — fixed-price milestones, named engineers, source code from day 1
- [Case Studies](https://viprasol.com/case-studies/): Client work and outcomes
- [Contact](https://viprasol.com/contact/): hello@viprasol.com, WhatsApp +91 9633652112

## Optional

- [Blog (all 1,500+ posts)](https://viprasol.com/blog/): Engineering deep-dives across React, Next.js, AWS, Azure, Postgres, Stripe, MT4/MT5, AI agents
- [Full sitemap](https://viprasol.com/sitemap.xml): Machine-readable URL list

## Full Content (markdown, paste into your LLM)

- [Next.js, React, TypeScript full content](https://viprasol.com/llms-full-nextjs-react.txt)
- [AWS Cloud (ECS, Lambda, Aurora, Terraform) full content](https://viprasol.com/llms-full-aws-cloud.txt)
- [Azure + GCP cloud full content](https://viprasol.com/llms-full-azure-gcp.txt)
- [MT4/MT5 trading + quant full content](https://viprasol.com/llms-full-mt5-trading.txt)
- [AI / ML / LLM agents full content](https://viprasol.com/llms-full-ai-ml-agents.txt)
- [PostgreSQL + data engineering full content](https://viprasol.com/llms-full-postgres-data.txt)
- [Stripe + SaaS billing full content](https://viprasol.com/llms-full-stripe-saas.txt)
- [DevOps + CI/CD full content](https://viprasol.com/llms-full-devops-cicd.txt)