You will get Full Stack Developer | MERN Stack | React js | Node JS | MongoDB

Let a pro handle the details

Buy Web Application Programming services from Vishwajeet, priced and ready to go.

Let a pro handle the details

Buy Web Application Programming services from Vishwajeet, priced and ready to go.

Project details

🚀 FULL-STACK MERN DEVELOPMENT FOR SCALABLE WEB APPLICATIONS

Every project is unique! Let's discuss your requirements in Upwork Chat first, so I can provide a clear timeline and a fixed price or estimated hours.

Looking for a scalable, high-performance web application? As a Full Stack Developer, I specialize in building modern, responsive, and secure web apps using the MERN Stack (MongoDB, Express.js, React.js, Node.js). Whether you need a custom web app, API development, I’ve got you covered!

My Full Stack Developments:
💎 Custom Web Applications – Scalable, fast & fully optimized solutions
💎 MERN Stack Development – MongoDB, Express.js, React.js, and Node.js expertise
💎 Frontend Development – Pixel-perfect, responsive UI with React & Next.js
💎 Backend Development – Secure & efficient APIs with Node.js & Express
💎 Database Management – MongoDB design, optimization & data security
💎 Third-Party API Integration – Stripe, PayPal, CRM, and automation tools
💎 Bug Fixes & Performance Optimization – Faster load times & secure apps

I build robust, high-performance web solutions tailored to your business needs. Let’s discuss your project today—send me a message to get started!
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Design
What's included
Service Tiers Starter
$25
Standard
$275
Advanced
$500
Delivery Time 1 day 5 days 10 days
Number of Revisions
123
Number of Pages
51025
Design Customization
Content Upload
Responsive Design
Source Code

Frequently asked questions

Vishwajeet K.Status: Offline

About Vishwajeet

Vishwajeet K.Status: Offline
Data Scientist | Business Intelligence Dashboard & AI App Development
Jamui, India - 6:41 am local time
🚀 Data Scientist | Business Intelligence Dashboard Expert | AI App Developer

📊 Transforming Data into Revenue through AI-Powered Applications, Business Intelligence Dashboards, Advanced Analytics, Machine Learning, and Process Automation.

💡 I help businesses unlock actionable insights, automate workflows, optimize operations, and drive growth by building scalable AI solutions, interactive dashboards, predictive models, and data-driven applications.

I am experience in Data Science, Business Intelligence, and Full-Stack Development, I specialize in building scalable AI solutions, executive dashboards, predictive analytics models, and automated data workflows. My expertise spans Python, SQL, Machine Learning, Generative AI, Power BI, Looker Studio, Tableau, Grafana, React, Node.js, and cloud platforms.

✅ Business Intelligence Dashboards (Power BI, Tableau, Looker, Grafana)
✅ Data Analysis, Data Visualization & KPI Reporting
✅ Machine Learning & Predictive Analytics
✅ AI Applications, LLMs, RAG Systems & AI Agents
✅ Python Development & Automation
✅ ETL Pipelines, Data Engineering & SQL Optimization
✅ SaaS Application Development
✅ REST API Development & Integration
✅ Real-Time Analytics & Monitoring Solutions

I help startups, SMBs, and enterprises automate processes, uncover actionable insights, improve operational efficiency, and make data-driven decisions through modern AI and analytics solutions.

Industries Served: SaaS & Technology, Finance & FinTech, Healthcare, E-commerce, Retail, Marketing, Real Estate, Logistics, Manufacturing, Telecommunications, Education, and Business Intelligence & Analytics.

Keywords: Data Scientist, AI Developer, Machine Learning Engineer, Business Intelligence Developer, Power BI Expert, Dashboard Developer, Python Developer, Data Analyst, AI Agent Developer, Generative AI, ChatGPT, OpenAI, RAG, ETL, SQL, Data Engineering, SaaS Development, Analytics Consultant, KPI Dashboard, Data Visualization.

Tech Stack:

🤖 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴
Python, R, SQL, Jupyter, Google Colab.
Pandas, NumPy, SciPy, Polars, Dask.
Scikit-learn, XGBoost, LightGBM, CatBoost.

TensorFlow, Keras, PyTorch, Hugging Face Transformers.
Predictive Analytics, Classification, Regression, Clustering, Recommendation Systems.
Feature Engineering, Model Training, Hyperparameter Tuning, Model Optimization.
NLP, Computer Vision, Time Series Forecasting, Anomaly Detection.

MLflow, Weights & Biases, Airflow, Docker, Kubernetes.
AWS SageMaker, Vertex AI, Azure ML, Databricks.
MLOps, Model Deployment, Monitoring, Automated ML Pipelines.
A/B Testing, Statistical Analysis, Experimentation & Decision Intelligence.

📊 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱 & 𝗗𝗮𝘁𝗮 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻
Power BI, Tableau, Looker, Looker Studio, Qlik Sense.
Executive Dashboards, KPI Tracking, Business Intelligence, Data Storytelling.
Real-Time Analytics, Performance Monitoring, Forecasting & Trend Analysis.

D3.js, Plotly, Chart.js, Highcharts, ECharts, Grafana, Metabase.
SQL, BigQuery, Snowflake, Redshift, PostgreSQL, MySQL Integrations.
Automated Reporting, ETL Pipelines, Interactive Visualizations & Self-Service Analytics.

🧠 𝗔𝗜 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
OpenAI, Claude, Gemini, Llama, Mistral, Grok.
LangChain, LangGraph, CrewAI, AutoGen, OpenClaw, MCP.
RAG, AI Agents, Multi-Agent Systems, Agentic Workflows.
Vector Databases: Pinecone, Weaviate, Chroma, FAISS, Qdrant.

Prompt Engineering, Fine-Tuning, Function Calling, Structured Outputs.
FastAPI, Django, Flask, Node.js, Next.js, React, TypeScript.
OpenAI Realtime API, Twilio, ElevenLabs, Deepgram, AssemblyAI.
Chatbots, Voice AI Agents, AI Assistants, Knowledge Bases.

AWS, Azure, GCP, Docker, Kubernetes, CI/CD.
LLM Evaluation, Guardrails, Monitoring, Observability & Production Deployment.
SaaS AI Platforms, Workflow Automation, Enterprise AI Solutions.

💡 I can handle everything from planning and development to deployment, so you don’t need to manage multiple freelancers.

If you’re looking for an independent developer who can turn your idea into a working product.

Let’s discuss your project.

Steps for completing your project

After purchasing the project, send requirements so Vishwajeet can start the project.

Delivery time starts when Vishwajeet receives requirements from you.

Vishwajeet works on your project following the steps below.

Revisions may occur after the delivery date.

Requirements Analysis

Discuss your project goals, features, and technical requirements to create a detailed development plan.

UI/UX & Frontend Development

Build a modern, responsive, and user-friendly interface using React.js or Next.js.

Review the work, release payment, and leave feedback to Vishwajeet.