Services Directory•End-to-End Engineering•Fixed-Scope Sprints

Comprehensive Software Engineering

Engineered For Scale & Speed

Explore Weinvent’s full engineering catalog. From sub-second Next.js web flagships and autonomous WhatsApp AI agents to multi-tenant SaaS platforms, mobile apps, and cloud ERP systems—search by tech stack, filter by domain, and scope your sprint.

EXPLORE SERVICES
SCHEDULE SPRINT
8+ Specialized
Engineering Capabilities
Sub-Second LCP
99+ Core Web Vitals
100% IP Handover
Clean Documented Code
48-Hour Blueprint
Fixed-Price Roadmaps
TACTICAL SOLUTION FINDER

What Are You Trying to Build?

Select your primary business objective to jump directly to the verified technical architecture, timeline, and deliverables.

01WEBSITES
2–3 Weeks

Launch a business online

WE CAN HELP WITHWebsite / E-commerce
Next.js 15Shopify HeadlessSub-Sec LCP
Direct Architecture JumpInspect Pillar
02DIGITAL PRODUCT
4–8 Weeks

Build a digital product

WE CAN HELP WITHWeb / Mobile App
React / FlutterCustom BackendRole-Based ACL
Direct Architecture JumpInspect Pillar
03SAAS PLATFORM
4–8 Weeks

Turn an idea into SaaS

WE CAN HELP WITHSaaS Development
Multi-Tenant DBStripe / RazorpayAuth & Billing
Direct Architecture JumpInspect Pillar
04WORKFLOW AUTOMATION
1–3 Weeks

Automate repetitive work

WE CAN HELP WITHAI + Automation
Webhook Triggersn8n / MakeZero Data Loss
Direct Architecture JumpInspect Pillar
05WHATSAPP AI
1–2 Weeks

Automate WhatsApp

WE CAN HELP WITHWhatsApp Automation
Meta Cloud API<30s ResponseCRM Auto-Sync
Direct Architecture JumpInspect Pillar
06INTERNAL TOOLS
3–6 Weeks

Replace spreadsheets

WE CAN HELP WITHCustom Business Software
PostgreSQL DBCustom DashboardsAudit History
Direct Architecture JumpInspect Pillar
07ENTERPRISE ERP
1–2 Days

Manage operations

WE CAN HELP WITHERP
Cloud Tally PrimeMulti-Branch RDPAuto-GST Sync
Direct Architecture JumpInspect Pillar
08MODERNIZATION
1–3 Weeks

Improve existing software

WE CAN HELP WITHModernization
Next.js App Router99+ Core Web VitalsCode Refactor
Direct Architecture JumpInspect Pillar
09CLOUD & SRE
2–3 Weeks

Move to cloud

WE CAN HELP WITHCloud & DevOps
Docker / K8sCI/CD Deployments99.99% Uptime
Direct Architecture JumpInspect Pillar
10ENGINEERING SLA
Monthly Retainer

Need ongoing technical help

WE CAN HELP WITHMaintenance & Support
Dedicated PodSub-Hour SLAsProactive Monitoring
Direct Architecture JumpInspect Pillar
FULL TECHNICAL CATALOG

Explore By Domain, Search By Capability

SHOWING8OF8 PILLARS
Popular:
01Websites
99+ Core Web Vitals

Websites & Digital Flagships

High-conversion corporate websites, fast e-commerce stores, and high-performance landing platforms engineered for sub-second loading and top search rankings.

Corporate websitesLanding pagesCMS websitesE-commerce websitesWebsite redesign / performance optimizationSEO-ready site architecture
Technology Layer
Next.js 15ReactTypeScriptTailwind CSSShopifySanity CMS
2–3 WeeksScope Website Project
weinvent://edge-ssr
0.3s Sub-Sec LCP
Inbound
Global Users
Desktop & Mobile
→
Next.js 15
Edge SSR + CMS
Sanity / Shopify
→
Result
100 Core Vitals
Rank #1 SEO
Sub-500ms TTFB · Dynamic Image CDN100% JSON-LD Schema
02Web Applications
Production Scalable

Web Applications & SaaS Platforms

Custom cloud web applications built from zero to scale with role-based access, real-time dashboards, interactive workflows, and automated billing engines.

SaaS product developmentCustom dashboardsMarketplace platformsBooking / scheduling systemsCustomer portalsLearning management systemsSubscription platforms
Technology Layer
Next.js 15Node.jsPostgreSQLPrismaRedisStripe
4–8 WeeksScope Web Application
weinvent://multi-tenant-saas
RBAC Protected
Auth Gate
User Sessions
OAuth & JWT RBAC
→
Storage
Isolated Schemas
PostgreSQL + Redis
→
Billing
Stripe Subscriptions
200 OK Webhooks
Row-Level Security (RLS) Active99.99% Availability SLA
03Internal Business Software
Zero Spreadsheet Chaos

Internal Business Software & ERP

Bespoke internal software that automates daily operational chaos, unifies department workflows, tracks inventory, and delivers live executive reporting.

CRM systemsERP-style internal toolsInventory management softwareHR / employee management systemsReporting and analytics dashboardsWorkflow management systems
Technology Layer
ReactNode.jsPostgreSQLTailwind CSSDockerREST APIs
3–6 WeeksScope Internal Software
weinvent://operations-core
Full Audit Trail
Portals
Sales / HR / Ops
Role Dashboards
→
Logic Engine
Workflow State
Approvals & Stock
→
BI Analytics
Live Dashboards
Real-Time P&L
Zero Spreadsheet ChaosAuto-PDF GST Invoicing
04Automation Services
Sub-Second Sync

Automation Services & Pipelines

Eliminate manual operational tasks through event-driven webhooks, automated WhatsApp lead routing, automated report generation, and real-time database sync.

workflow automationmarketing automationlead management automationautomated report generationdata synchronization between systemsemail automation pipelines
Technology Layer
PythonNode.jsWebhooksRedis BullMQMeta Graph APISendGrid
1–3 WeeksAutomate Workflows
weinvent://event-bus
<30s Execution
Trigger
New Lead / Form
Webhook Received
→
Router
BullMQ Queue
Sub-100ms Ingestion
→
Dispatch
WhatsApp + CRM
Auto-Synced 200 OK
Sub-Second Latency100% Guaranteed Delivery
05AI Solutions
Zero Hallucination

AI Solutions & Autonomous Agents

Production AI systems that intelligently answer customer questions, extract structured data from PDF invoices, and automate routine support workflows 24/7.

AI chatbots for websitesAI knowledge assistantsdocument processing AIAI support automationAI data extraction from PDFsAI recommendation systems
Technology Layer
OpenAI GPT-4oClaude 3.5LangChainPgvectorFastAPIPython
2–4 WeeksDeploy AI Solution
weinvent://rag-pipeline
Zero Hallucination
Input
Chat / PDF Doc
1536d Embeddings
→
Vector DB
Pgvector Match
Hybrid Semantic
→
Output
Cited Answer
WhatsApp / Web
24/7 Autonomous ResolutionGPT-4o + Claude 3.5
06Tally, Cloud ERP & RDP
99.99% Uptime & Multi-User

Tally, Cloud ERP & RDP Systems

Multi-user cloud hosting for Tally Prime and Windows enterprise software with remote RDP access, custom TDL plugins, automated e-invoicing, and zero data loss.

Tally on Cloud (Multi-user remote access from any device)Software RDP (Dedicated virtual cloud desktops for business software)Custom Tally extensions & specialized TDL developmentAutomated E-Invoicing & auto-GST pluginsDaily automated encrypted backups to AWS S3 & zero loss guaranteeMulti-branch accounting sync & centralized reports
Technology Layer
AWS EC2Windows ServerTally Prime TDLRemote Desktop (RDP)AWS S3
1–2 Days SetupLaunch Tally Cloud
weinvent://cloud-tally-rdp
99.99% Uptime
Remote Client
Any Mac / Win
TLS 1.3 Encryption
⇋
Cloud RDP
Tally Prime + TDL
Multi-User Host
⇋
Storage
Daily AWS S3
Encrypted Backups
Multi-User Concurrent Access100% Zero Data Loss
07API & System Integrations
Sub-15ms Latency

API & System Integrations

Connect your fragmented business systems through custom REST/GraphQL APIs and secure middleware with guaranteed delivery and real-time synchronization.

Payment gateway integrations (Stripe, Razorpay, Cashfree)CRM integrations (HubSpot, Salesforce, Zoho)ERP integrations (Tally, SAP, custom internal databases)Third-party API development & webhooksSaaS integrations & data transformation pipelines
Technology Layer
Node.jsTypeScriptPythonFastAPIPostgreSQLRedisDocker
1–3 WeeksIntegrate Systems
weinvent://api-gateway
Sub-15ms Latency
Webhooks
Stripe / Razorpay
Signed Payloads
→
Gateway
HMAC & Schema
Transform & Queue
→
Destinations
HubSpot / ERP
Two-Way Synced
REST / GraphQL / gRPCAutomatic Retry Queue
08Cloud & DevOps
Zero Downtime SLA

Cloud Infrastructure & DevOps

Modern cloud infrastructure provisioning, containerization, automated CI/CD testing pipelines, and 24/7 observability for 99.99% uptime.

Cloud architecture & migration (AWS / Google Cloud)Docker containerization & multi-stage buildsAutomated CI/CD deployment pipelinesKubernetes cluster configuration & autoscalingInfrastructure as Code (Terraform)24/7 server monitoring & Prometheus/Grafana alerts
Technology Layer
AWSGoogle CloudDockerKubernetesTerraformGitHub Actions
2–3 WeeksSetup Infrastructure
weinvent://ci-cd-pipeline
99.99% Uptime
Commit
Git Push Main
Lint & Unit Tests
→
Container
Docker Multi-Stage
Cached Artifacts
→
Cluster
Kubernetes Pods
Zero-Downtime Rollout
Terraform IaC (AWS / GCP)24/7 Prometheus Monitoring
PRODUCTION TECHNOLOGY STACK

The Weinvent Technology Layer

Every framework, database, and cloud tool we choose is selected for clear business impact: sub-second speed, zero data loss, and uninterrupted 99.99% uptime.

01CLIENT & USER EXPERIENCESUB-SECOND LCP

Frontend & Mobile

What your customers see, touch, and experience across web browsers, iPhones, and Android devices.

3x Faster Page Loads & Top Conversion Rate
Next.js 15
✓Sub-second speed & top SEO rank
React 19
✓Fluid, zero-lag app interface
TypeScript 5
✓Stops runtime bugs before launch
Tailwind CSS v4
✓Custom bespoke brand design
Flutter / Native
✓Single codebase for iOS & Android
Shopify Headless
✓High-conversion checkout speed
02SERVER ENGINE & LOGICEVENT-DRIVEN CORE

Backend & APIs

The heavy-lifting server logic, payment processors, and real-time queues powering your app.

Handles 10,000+ Concurrent Transactions With Zero Lag
Node.js
✓High-throughput async server engine
Python FastAPI
✓Sub-50ms instant API response times
GraphQL & REST
✓Zero data bloat, universal integrations
WebSockets
✓Real-time live chat & activity feeds
Redis BullMQ
✓Zero lost background jobs or orders
Meta Cloud API
✓Official enterprise WhatsApp gateway
03INTELLIGENT WORKFLOWSZERO HALLUCINATIONS

AI & Automation

Autonomous AI agents and automated workflows that eliminate repetitive human busywork.

80% Reduction in Repetitive Support & Data Entry
OpenAI GPT-4o
✓Human-grade reasoning & chat
Claude 3.5 Sonnet
✓Deep contract & document analysis
WhatsApp AI Bots
✓Sub-30s automated lead responses
LangChain / RAG
✓Connects AI to your company data
Pgvector
✓Instant semantic search & memory
Guardrails AI
✓Strict output verification, zero fake data
04DATA SAFETY & SPEEDACID COMPLIANT

Databases & Storage

Safe, encrypted financial storage, ERP accounting ledgers, and instant search queries.

100% Financial Data Integrity & Automated Backups
PostgreSQL 16
✓100% reliable, zero data loss
Redis 7
✓Lightning-fast instant memory cache
Prisma ORM
✓Type-safe schemas, zero database bugs
Tally Prime TDL
✓Direct live accounting & GST sync
AWS S3 Vault
✓Infinite encrypted file & media storage
ClickHouse
✓Instant analytics on millions of records
05INFRASTRUCTURE & UPTIME99.99% UPTIME SLA

Cloud, DevOps & SRE

Global enterprise cloud hosting with automated backups, DDoS shielding, and zero downtime.

99.99% Guaranteed Business Uptime & Silent Updates
Amazon Web Services
✓Global enterprise cloud hosting
Docker
✓Zero-downtime silent updates
Kubernetes (EKS)
✓Auto-scales when traffic spikes
Terraform (IaC)
✓Automated disaster recovery backups
Cloudflare Enterprise
✓Bank-grade DDoS & threat shielding
TLS 1.3 / AES-256
✓End-to-end financial encryption
The Client Standard: 100% Code Ownership & Zero Vendor Lock-In

We build strictly on open, industry-standard modern frameworks. You own 100% of your source code, database schemas, and cloud deployment keys. Any senior engineering team in the world can maintain your application.

Full IP Ownership
0.3s
Avg First Paint
Edge-rendered Next.js 15
100%
Strict TypeScript
Zero implicit any bugs
99.99%
Cloud SLA
Multi-AZ redundant AWS
TLS 1.3
Bank Security
AES-256 encrypted
HOW WE WORK

The 4 Engagement Models

From defined-scope sprints to continuous product evolution, engineering capacity extension, and long-term technology stewardship.

02
02HERO ENGAGEMENT MODEL
Flagship Partnership for Startups & Scaleups

Product Development

For startups and businesses building something that will evolve.

EXAMPLE:“We have an idea for a SaaS product.”
THE 6-STAGE PRODUCT LIFECYCLEEnd-to-End Delivery
01
Discovery
02
MVP
03
UX / UI
04
Engineering
05
Launch
06
Continuous Dev
Ideal for founders, funded startups, and innovation teams.Build Your Product
01
01PROJECT DELIVERY

Project Delivery

For clients who already know what they want.

EXAMPLE NEED:

“We need a new e-commerce website” or “We need a custom ERP.”

WHAT THIS SHOWS:
Defined scope
Milestone-based delivery
Fixed / estimated project timeline
Complete handover
Scope Delivery
03
03TEAM EXTENSION

Dedicated Engineering

For companies that already have a product or team but need additional engineering capacity.

STRATEGIC POSITIONING:

“Extend your engineering capacity without building another team from scratch.”

ENGINEERING DISCIPLINES:
Frontend
Backend
Full-stack
AI
Mobile
DevOps
Extend Capacity
04
04LONG-TERM STEWARDSHIP

Technology Partnership

For longer-term clients seeking a committed partner (broader than maintenance).

STRATEGIC POSITIONING:

“A technology team that stays with your business as it evolves.”

INCLUDES & COVERS:
Continuous development
Product modernization
Cloud / infrastructure
AI integration
Security improvements
Performance optimization
Technical support
Start Partnership
The Engineering Lifecycle

How We Build, Zero Fluff. Pure Velocity.

01
PHASE 011–2 Days

Discovery & Architecture

We deep dive into your business logic, database schemas, and third-party APIs to lock a fixed-price roadmap with zero scope creep.

48h Scope Lock & Architecture Spec
Phase 01
02
PHASE 023–5 Days

UI/UX & Interactive Prototype

We design pixel-perfect interfaces in Figma with design tokens so you click and test the complete product flow before engineering.

60 FPS Clickable Prototype & Sign-Off
Phase 02
03
PHASE 032–4 Weeks

Build, Integrate & Staging

We develop in type-safe Next.js 15 & TypeScript with sub-second queries, automated tests, and daily private live staging links.

Daily CI/CD Staging & 99% Test Pass
Phase 03
04
PHASE 04Launch Day

Launch & 100% IP Handover

We execute zero-downtime deployment, certify 100/100 Core Web Vitals, and hand over 100% full IP code ownership and video SOPs.

100/100 Lighthouse & 100% Git Ownership
Phase 04
Sprint Kickoff · 48-Hour Scope Lock

Ready to Kick Off Phase 01?

Get your complete architecture blueprint, technical milestone roadmap, and transparent fixed quote within 48 hours. Zero obligations.

Direct Senior Architect48h Blueprint TurnaroundMutual NDA Included
LET'S TALKWHATSAPP US
Clear Answers · Zero Fluff

Frequently Asked Questions

We kick off within 48 hours with our technical blueprint sprint to de-risk your database schemas, user journeys, and API integrations. Typical digital flagships take 2–4 weeks; custom SaaS platforms, AI automation pipelines, or Tally Prime cloud setups take 3–8 weeks with automated daily live staging deployments.

Claim a ₹65,000 / $799 Blueprint Sprint, On Us
ENGAGEMENT

Ready to Engineer, Your Next Flagship?

Map your database schemas, tech stack, and milestone roadmap with fixed-price delivery before you commit a single rupee.

  • Guaranteed response within 4 hours
  • Mutual NDA signed before discussing sensitive IP
  • Direct access to senior full-stack architects & founders
Sameer Sagar — Chairman
Vivek Sagar — Director

Sameer Sagar & Vivek Sagar

Live Advisory

Chairman & Director · Weinvent

“No account managers or junior devs in between. You work directly with us and our senior architects from day one.”

WhatsApp
+91 9711198899
Direct Call
+91 9654001919
Official Mail
weinvent.info@gmail.com
Project Budget

Strict Mutual NDA · Zero spam · Direct engineering access