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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 ApproachOur Process — How We Work
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.
01
Discovery
TWorkshops to define goals, users, KPIs and initial architecture.
02
Design & Prototype
Clickable prototypes and UX validations to minimize rework.
03
Agile Development
Two-week sprints, automated tests, and continuous demos.
04
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.””
SJ
Sarah J.
Founder, DataPro
“heir DevOps expertise reduced our incidents and improved performance.”
AK
Aman K.
CTO, EduSmart
“A reliable partner — excellent communication and strong ownership.”
PR
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.