I'm a full-stack engineer with 13+ years building and securing enterprise-grade applications across the MEAN and MERN stacks (MongoDB, Express, Angular/React, Node.js) plus Java, JEE, and REST APIs. For the past several years I've been a technical lead and the primary customer-facing engineer for an enterprise BI platform, where I own the entire authentication and application-security stack — this is where I add the most value for clients.
Where I help clients most:
Full-stack development (MEAN/MERN/Java): end-to-end ownership of features from requirements through architecture, backend (Java, JEE, Node.js, REST APIs), and frontend (Angular and React.js, plus TypeScript and jQuery). I've built performance-critical UI, including a virtual-scrolling component for large datasets, plus accessibility and internationalization features into production platforms.
Identity and access management: designing and implementing Single Sign-On (SSO), SAML 2.0, OAuth 2.0, OIDC, JWT-based auth, and Windows Authentication (JESPA), including enabling SSO for third-party BI tools such as Tableau and Power BI.
Application and network security: XSS and CSRF protection, Content Security Policy (CSP) with nonces, mutual TLS (mTLS) across multi-tier systems, secure WebSocket communication, and cipher-suite and certificate configuration. I reason about problems at the protocol level (TLS handshake, HTTP/2, cookie and session security) rather than patching symptoms.
Applied AI and data integration: bridging traditional BI and OLAP systems with modern LLM workflows, including a LangChain-compatible SparkSQL toolkit integration and a RAG-ready data loader.
I've led and mentored engineering teams of 3-4 developers, run live production-incident debugging sessions directly with enterprise customers, and driven MVPs and research initiatives from idea to delivery.
If you need a full-stack MEAN/MERN/Java developer who can take a feature from architecture to production, or someone who can own a security-sensitive integration such as SSO, SAML, OAuth, or mTLS end-to-end, I'd like to talk about your project.
Angular
Node.js
JavaScript
Java
TypeScript
React
CSS
REST API
OAuth
Single Sign-On
Web Application Security
Network Security
Websockets
User Identity Management
HTML5
Electron
Amul C.
Indore, India
$35/hr
4.9
26 jobs
✨ Top-Rated Full-Stack Java Developer | React/Angular | AWS 🚀
I build production-grade web apps with Java Spring Boot backends and React or Angular frontends. My focus is clean architecture, reliable APIs, and fast, usable UIs. I have delivered products in fintech, healthcare, logistics, and SaaS with payments, subscriptions, RBAC, audit trails, reporting, and real-time dashboards. I deploy on AWS with CI/CD.
🧩 What I Do
💹 Back-end: Java, Spring Boot, REST APIs, Microservices, Hibernate or JPA, OAuth2 or JWT, caching, queues
💹Front-end: React, Angular, TypeScript, Material or Ant, Redux or NgRx, responsive UI, accessibility
💹 Cloud and DevOps: AWS EC2, S3, RDS, Lambda, Docker, CI/CD, monitoring, cost control
💹 Data and Integrations: PostgreSQL, MySQL, Redis, webhooks, payment processors, third-party APIs
💹 Quality and Security: Unit and integration tests, code reviews, performance tuning, secure coding
🏆 Selected Wins
• Built a payments and settlements engine with ledger, refunds, disputes, webhooks, and reports
• Shipped a logistics load board with real-time tracking, bids, and document workflows
• Delivered a health portal with secure messaging, scheduling, and HIPAA-aligned controls
• Created operations analytics dashboards with drill-downs, alerts, and CSV or PDF exports
🔧 Services
• Full-stack feature development and refactors using Java with React or Angular
• API and microservices design, integrations, and webhooks
• Cloud deployment on AWS, CI/CD, and observability
• UI modernization with component libraries, state management, and performance tuning
🗂️ Tech Snapshot
• Back-end: Java, Spring Boot, Hibernate, JDBC, OAuth2, JWT
• Front-end: React, Angular, TypeScript, Redux, NgRx, Material, Ant
• Cloud: AWS EC2, S3, RDS, Lambda, Docker, GitHub Actions, Jenkins
• Data: PostgreSQL, MySQL, Redis, exports to CSV or PDF or JSON
• Tooling: Git, Maven, Gradle, Postman, JUnit, Mockito
If you want a reliable full-stack partner who can own a module end to end, design, build, test, and ship, let’s connect. 🙂
Kotlin
API Integration
Docker
Angular Material
API
Google Cloud Platform
Spring Boot
Hibernate
React
Amazon Web Services
Azure DevOps
Apache Struts 2
Back-End Development
Front-End Development
Full-Stack Development
Taher B.
Indore, India
$10/hr
4.0
1 jobs
👋 I'm a Full-Stack Web Developer with 3+ years of experience building scalable, responsive, and secure web applications using Java, Spring, .NET Core, Angular, Next.js, and AWS.
I help startups and businesses build modern web platforms, REST APIs, and custom dashboards with fast performance and clean architecture.
✅ Developed full-stack apps with user authentication, product listings, payments, and role-based accessz scalable architecture, millions of users.
✅ Built and deployed secure APIs with .NET Core and Node.js, integrated with SQL/MongoDB, Postgres
✅ Designed admin panels and internal tools for HR, e-commerce, and healthcare workflows, identity management tools, finance SAAS, AI agents.
✅ Deployed production systems using Docker, Linux, and AWS for high reliability
I focus on writing clean, maintainable code following SOLID principles and scalable architecture. Whether you need a small app or a complete system, I’ll bring your idea to life with clean UI and solid backend logic.
Let’s connect — I’m ready to help you build, launch, and scale!
.NET Core
Angular
React
AWS Application
Flutter
Linux
Web Development
App Development
MongoDB
SQL
ClickHouse
Java
Spring Boot
Docker
Microservice
PostgreSQL
Shubham C.
Indore, India
$20/hr
4.8
40 jobs
Avaialble to work on any kind of project or engagment related to Python, AI/ML and Java.
My Expertise-
Backend - Python, Java/J2EE
Frameworks in Backend - Django, Pandas, FastAPI, Springboot, JavaFX, Microservices.
FrontEnd Frameworks - ReactJS, Redux, AngularJS, Angular (2-16), TypeScript, JavaScript.
APIs and Integrations- JSON, xml-web-services, Rest/Soap, GPS, Paypal, Chat APIs, Google APIs
Application Servers- Tomcat, JBoss, Glassfish, AWS EC2, AWS Lambda, Microsoft Azure, Google Cloud/GCP
Database - Oracle, MySQL , PostgreSQL, MongoDB, NoSQL, couchDB
CI/CD Tools: Jenkins, GitHub Actions, GitLab CI/CD, CircleCI.
Infrastructure as Code: Terraform, CloudFormation, Ansible
Containerization: Docker, Kubernetes
Monitoring & Logging: Prometheus, Grafana, ELK Stack
Tools : GitHub, BitBucket, SVN, Gitlab, JIRA, Postman, Slack, Trello, Asana for project management
Payment gateway integration: (Paypal, Stripe, Authorize. net, Securepay, Sagepay)
Fintech/Banking : - Mifos X, Mifos, Mifos wallet, Mifos Payment gateway.
With nearly 10 years of experience, I specialize in working on existing and complex systems. worked on complex systems in Fintech, Banking, Insurance, Healthcare, Ecommerce, and Logistics — mostly on projects where the codebase already exists, requirements are evolving, and mistakes are costly.
Python
Django
FastAPI
pandas
Spring Boot
J2EE
JavaFX
LangChain
TensorFlow
SQLAlchemy
PyTorch
LLaMA
OpenAI API
Python Scikit-Learn
Generative AI
Roshan P.
Indore, India
$20/hr
4.8
20 jobs
I am a senior full-stack developer having 10 years of experience in IT industry with a track record of delivering large-scale high-performance products. I offered comprehensive and integrated IT services to Start-ups, Individuals, Mid-Size Companies, Enterprises, and Government Institutions in the past and have professional experience in various technologies of web and mobile app development along with CRM/ERP development, DevOps & Cloud services , QA automation and Salesforce expertise.
✅ High-Quality Work
✅ Cost-Efficient Services
✅ Fluent English
✅ 10 Years Of Experience
✅ Long term working relationship
✅Experience with developing Web and Mobile ChatBots
✅Experience with Serverless Architecture (AWS, Google Cloud and Azure).
✅Experience in WebGL and D3.JS
✅Strong project management skills and maintaining on-time quality deliveries.
✅Experience of Agile (Xtreme programming, SCRUM), waterfall and other software processes and standards.
Web development experience and skills:
✅ Frontend: AngularJS, Vue JS, WordPress, ReactJS/Redux, Bootstrap, JavaScript, TypeScript, jQuery, Ajax, HTML5, Material UI.
✅ Backend: NodeJS, ExpressJS, PHP, Laravel, CakePHP, WordPress, Python, Django, Flask, Java, RESTful API, GraphQL, Hibernate, Quarkus, Spring boot, reactive spring.
✅ Mobile App: Swift, React-Native, Ionic, Flutter, Dart, Cordova, Kotlin, Objective C, iOS & Android.
✅ Database: MongoDB, PostgreSQL, MongoDB, MySQL.
✅ Designing: UI/UX, Photoshop, Adobe XD, Figma, Adobe Illustrator, Corel Draw.
✅CMS : Wordpress, Drupal, joomla
✅Ecommerce: Shopify, Woocommerce, Opencart, Magento
QA Automation Skills :
✅Manual & Automation Testing
✅Automation tools : Protractor, Cypress, Selenium, JMeter, Appium, postman, Cucumber
✅SQL, Cross-browser testing, and Browser Stack.
✅API automation using REST assured and Postman
DevOps engineering & Cloud services:
✅AWS, Google Cloud, Digital Ocean and Azure
✅ AWS (EC2, S3, Load Balancer, Elastic Beanstalk, Route53, Certificate Manager, IAM, CloudFront, API Gateway, CloudFormation, CloudWatch, DynamoDB, Kubernetes, Grafana, Lambda, Lightsail, RDS, SageMaker, Simple Email Service
✅ Kubernetes, Jenkins, terraform, Docker,Gitlab, Github.
✅Actively manage, improve, and monitor cloud infrastructure on AWS, EC2, S3, and RDS, including backups, patches, and scaling
✅Basic understanding of designing and developing basic modules used to build real-time and batch data processing.
✅ Experience in Cloud Computing and Hadoop ecosystem.
✅Deployed applications on the platforms like Azure and Heroku
✅Created a pipeline for deploying multiple applications with different versions and in different environments.
✅Created CI/CD pipeline for web applications.
✅Created a pipeline for deploying multiple applications with different versions and in different environments.
Salesforce Services:-
✅Apex, Visual-force, Force.com IDE, Force.com Migration Tool, Web Services/SOA & Metadata APs. Eclipse IDE, Apex, Apex Data loader, Workbench, MavensMat, SoapUI, Chatter, Lightning, Salesforce Einstein, AppExchange, Non-Profit service Packs.
✅ Sales cloud, Service cloud, Health Cloud, CPQ/Revenue Cloud, Commerce cloud and Marketing Cloud
Thanks a lot for visiting my profile.
Have a good time.
CodeIgniter
HTML5
Node.js
Laravel
WordPress
PHP
Drupal
Angular 4
React Native
Ionic Framework
Parikshit P.
Indore, India
$35/hr
4.9
47 jobs
☕ Java Full Stack Architect | Spring Boot | Microservices | React/Angular | AWS
$35.00/hr
🚀 Senior Java Full Stack Architect | Enterprise Applications | Spring Boot | Microservices
💼 16+ Years Experience | 🧠 10+ Years in Solution Architecture
☕ Java First | Full Stack | Enterprise Systems | SaaS | Cloud
👋 About Me
I am a Senior Java Full Stack Architect and Technical Lead with 16+ years of experience designing, developing, and scaling enterprise-grade applications and SaaS platforms.
My core expertise is in Java, Spring Boot, Microservices, REST APIs, React, Angular, databases, cloud architecture, and distributed systems.
I specialize in taking complex business requirements and transforming them into scalable, secure, maintainable and high-performance software solutions.
My primary focus is:
Enterprise Java applications
Spring Boot & Microservices
SaaS platforms
Full-stack web applications
Distributed systems
REST API architecture
Cloud-native applications
System modernization
Performance optimization
AI integration when it adds business value
☕ Core Java Expertise
Backend
Java 8/11/17/21
Spring Boot
Spring MVC
Spring Security
Spring Data JPA
Hibernate
Microservices
REST APIs
Event-driven architecture
Multithreading & concurrency
Frontend
React
Angular
TypeScript
JavaScript
HTML5 / CSS3
Databases
PostgreSQL
MySQL
Oracle
MongoDB
Redis
Architecture
Microservices architecture
Distributed systems
Event-driven systems
Domain-driven design
API-first architecture
Enterprise application modernization
High-availability systems
Cloud & DevOps
AWS
Azure
GCP
Docker
Kubernetes
CI/CD
Jenkins
GitHub Actions
Terraform
🧩 Recent Java & Enterprise Projects
🔹 AI-Powered ERP for Manufacturing – FIBC Industry
Built an enterprise ERP platform using Java, Spring Boot and modular architecture for manufacturing operations.
Key areas included:
Production planning
Inventory management
Manufacturing workflows
Job-card tracking
Costing
Quality management
Reporting & dashboards
AI-assisted business insights
🔹 Enterprise Microservices Platform
Designed and developed scalable Spring Boot microservices supporting business-critical workflows.
Responsibilities included:
Service architecture
REST API development
Database design
Authentication & authorization
Service-to-service communication
Performance optimization
Cloud deployment
🔹 SaaS Application Development
Worked on scalable SaaS applications involving:
Multi-tenant architecture
User & role management
Subscription workflows
REST APIs
Payment integrations
Reporting
Third-party integrations
Cloud infrastructure
🔹 Enterprise System Modernization
Modernized legacy applications by migrating functionality into Spring Boot microservices and modern React/Angular interfaces, improving maintainability, scalability and deployment flexibility.
🤖 AI Integration — Supporting Capability
While Java and enterprise application development are my primary strengths, I also have practical experience integrating AI into existing business systems.
This includes:
OpenAI / LLM API integration
RAG-based applications
AI assistants
AI-powered automation
Document intelligence
AI insights within enterprise applications
I focus on integrating AI where it creates measurable business value, rather than forcing AI into every application.
🧠 What I Bring
✔ 16+ years of software engineering experience
✔ Strong Java & Spring Boot expertise
✔ Enterprise microservices architecture
✔ Full-stack React / Angular capability
✔ Scalable SaaS development
✔ Database architecture & optimization
✔ Cloud-native development
✔ API & third-party integrations
✔ Legacy modernization
✔ Performance & scalability engineering
✔ Technical leadership & architecture
✔ AI integration as an additional capability
🚀 Let's Build Scalable Enterprise Software
If you're looking for someone who can:
Build Java applications → Design microservices → Develop React/Angular interfaces → Integrate APIs → Deploy to AWS → Optimize performance → Lead architecture
I can help you take your product from requirements → architecture → development → deployment → scaling.
💬 Let's connect and discuss your project, existing architecture, and technical roadmap.
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