Full-Stack Development Services

Build scalable, intelligent, and secure digital platforms — SaaS, E-commerce, and Content/Learning — with modern stacks, cloud, and AI integration.

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Features included

Responsive design (works on all devices)
SEO-ready meta tags
SaaS, eCommerce & Content stacks
Cloud & AI integration sections
Clear CTAs for lead capture
Process, Pricing, Case Studies, FAQ, Team

L4RG delivers end-to-end full-stack engineering — from pixel-perfect frontends to resilient backends, cloud-native infrastructure, and AI-powered features. We accelerate time-to-market while keeping systems maintainable and secure.

Latest Technologies

Our Full-Stack Servicess

Frontend Development

React, Next.js, Svelte, Vue — SPAs, SSR, PWAs, accessibility and performance optimization.

Backend & API Engineering

Node.js (NestJS/Express), FastAPI, Go/Rust. REST & GraphQL, microservices, event-driven design.

Databases & Data Engineering

PostgreSQL, MongoDB, Redis, CockroachDB. Schema design, caching, analytics pipelines.

DevOps & Cloud

Docker, Kubernetes, Terraform, GitHub Actions, serverless (AWS Lambda), managed hosting (Vercel, Netlify, Northflank).

Observability & Security

Monitoring, tracing, logging (Datadog, Prometheus, Sentry, ELK) and OWASP-based security hardening.

Mobile & Cross-Platform

React Native / Flutter and PWAs with integrated CI/CD and app release support.

AI / ML Integration

LLM integrations, vector search/embeddings, recommendation engines, and inference deployment strategies (edge & cloud).

MVP & Product Prototyping

Fast prototyping, user testing, launch-ready MVPs and tech-debt reduction plans.

Mordern Technologies

Modern Tech Stack (2024–2025)

Languages & Runtimes

JavaScript / TypeScript, Python, Go, Rust

Frontend

React, Next.js (SSR & Edge), Svelte, Vue, Astro

Backend & APIs

NestJS, Express, FastAPI, Go frameworks, GraphQL

Databases

PostgreSQL, MongoDB, Redis, CockroachDB

Infrastructure

NGINX, Docker, Kubernetes, Terraform, AWS/GCP/Azure, Vercel, Netlify

Emerging

Serverless, Edge Compute, PWAs, Vector Search & LLMs

Recommended Stacks — by Business Type

SaaS / Web App

Frontend: Next.js + TypeScript
Backend: NestJS / FastAPI
DB: PostgreSQL + Redis
Hosting: Vercel + AWS Lambda
Auth / Billing: Auth0 / Stripe

Great for dashboards, analytics, and multi-tenant SaaS products.

E-Commerce / Marketplace

Frontend: Next.js + Tailwind
Backend: Node.js / NestJS
DB: MongoDB Atlas + Postgres
Search: Algolia / Meilisearch
Payments: Stripe / Razorpay

Headless commerce for high performance & custom UX.

Content / Media / Learning

Frontend: Astro / Next.js
CMS: Strapi, Sanity, Ghost
DB: PostgreSQL / SQLite
Hosting: Netlify / Vercel
Search: Algolia / ElasticSearch

SEO-first stack, editorial flexibility, and fast global delivery.

Healthcare / Telemedicine

Frontend: React + TailwindCSS
Backend: Node.js / FastAPI
DB: PostgreSQL + MongoDB
Hosting: AWS (HIPAA-compliant) + Vercel
APIs: Video consult & EHR integrations

Secure telemedicine platforms with patient data privacy & real-time consultations.

FinTech / Banking Apps

Frontend: React / Next.js
Backend: Node.js / Go / Rust
DB: PostgreSQL + Redis
Hosting: AWS / Azure + CloudFront
Payments: Stripe, Plaid, Razorpay

Secure, high-performance financial apps with real-time transactions and reporting.

Real Estate / Property Marketplace

Frontend: Next.js + TailwindCSS
Backend: Node.js / NestJS
DB: MongoDB + PostgreSQL
Hosting: AWS + Vercel
Features: Map APIs, property search & analytics

Scalable listings platforms with geolocation and dynamic filtering.

Logistics / Delivery Management

Frontend: React Native / PWA
Backend: Node.js / Go
DB: PostgreSQL + Redis
Hosting: AWS / GCP + Docker / Kubernetes
Features: Real-time tracking, route optimization

Efficient supply chain and delivery platforms with real-time updates.

Social Media / Community

Frontend: React / Next.js
Backend: Node.js / NestJS
DB: MongoDB + PostgreSQL
Hosting: AWS + Vercel / Netlify
Features: Real-time chat, notifications, media uploads

Scalable community platforms with real-time engagement features.

IoT / Smart Devices

Frontend: React / PWA Dashboard
Backend: Node.js / Go
DB: PostgreSQL + TimescaleDB
Hosting: AWS IoT + Edge Devices
Features: Real-time device telemetry & alerts

Connect and manage smart devices with dashboards, analytics, and automated alerts.

Our Approach

Our Process — How We Work

Delivery cadence: 2-week sprints, weekly demos, and continuous deployment pipelines. We pair product thinking with engineering discipline to reduce tech debt.

Discovery

TWorkshops to define goals, users, KPIs and initial architecture.

Design & Prototype

Clickable prototypes and UX validations to minimize rework.

Agile Development

Two-week sprints, automated tests, and continuous demos.

Launch & Operate

Production rollouts, monitoring, and ongoing improvements (SLA options).

Pricing Plans

Pricing Tiers (Indicative)

Final prices provided after scoping call. We tailor scope to your success metrics and timeline.

Starter

$2,000 – $5,000

MVPs, marketing sites, simple apps.

Basic frontend & backend
1 staging & 1 production deployment
Basic CI/CD & security

Growth

$6,000 – $12,000

SaaS features, eCommerce stores, integrations.

Advanced APIs & integrations
Performance & SEO optimization
Monitoring & basic SRE

Enterprise

Custom Quote

Large-scale, global, multi-cloud & AI needs.

Microservices + Kubernetes
Multi-region deployments
SLA-based ops & 24/7 support

Case Studies (Templates)

EdTech Learning Portal

Challenge:Build a scalable platform for 10k+ learners with tracking and monetization.

Solution:Next.js + Strapi + PostgreSQL, video streaming via AWS MediaConvert, Algolia search, Vercel hosting.

Result:Launched in 10 weeks, 30% increase in course completion, reliable streaming at scale.

AI-Powered SaaS Dashboard

Challenge:Deliver automated insights from customer data and improve UX performance.

Solution:React + NestJS, Python inference pipelines, embeddings for semantic search, deployed serverless with Cloudflare Edge.

Result:2x faster query times, 40% improved user engagement with AI-driven recommendations.

What Our Clients Say

““L4RG launched our MVP in record time — the quality and speed were exceptional.””

Sarah J.

Founder, DataPro

“heir DevOps expertise reduced our incidents and improved performance.”

Aman K.

CTO, EduSmart

“A reliable partner — excellent communication and strong ownership.”

Priya R.

Product Head

Frequently Asked Questions

Some frequently asked questions about the service that you may have questions about

We use tools based on data and analytics to screen and identify the leads meticulously so that the top quality must be passed to the business. The strict lead-scoring processes and constant optimization strategies provide a high standard of lead quality.

We strictly adhere to GDPR, CCPA, and other data privacy regulations. Our processes include proper consent management, data encryption, regular audits, and transparent privacy policies to ensure full compliance while generating leads.

Yes, our lead generation services integrate seamlessly with popular CRM systems including Salesforce, HubSpot, Pipedrive, and many others. We provide API integrations and custom data formatting to match your existing workflow.

We use advanced analytics and tracking tools to monitor campaign performance in real-time. Our comprehensive reporting includes conversion rates, lead quality scores, ROI metrics, and detailed campaign analytics with regular performance reviews.

Our unique combination of AI-driven prospecting, multi-channel approach, industry expertise, and proven track record sets us apart. We offer personalized strategies, quality assurance, real-time reporting, and dedicated account management for superior results.

Absolutely! We specialize in B2B lead generation across various industries. Our B2B services include targeted prospecting, account-based marketing, LinkedIn outreach, email campaigns, and industry-specific lead generation strategies tailored to your business needs.