Results-driven IT professional with over 2+ years of hands-on experience in cloud infrastructure, DevOps practices, and system automation, with a strong focus on AWS, Azure, and modern DevOps toolchains. Proven ability to design, deploy, and manage scalable, secure, and resilient infrastructure solutions using Terraform, Jenkins, Kubernetes, and Ansible. Skilled in scripting and automation using Python and Bash, with a solid background in Linux server administration.
Technical Expertise:
Cloud Platforms:
AWS: Proficient in services including EC2, S3, VPC, IAM, CloudFormation, ELB, RDS, CloudWatch, Lambda, and Route 53.
Azure: Experienced in managing Virtual Machines, Storage Accounts, Virtual Networks, Load Balancers, Active Directory, VM Scale Sets, Key Vaults, Monitor, Backup, and Recovery Services.
Infrastructure as Code:
Expert in Terraform for provisioning and managing cloud infrastructure across AWS and Azure, leveraging modular, reusable code structures.
CI/CD & DevOps:
Proficient in Azure DevOps and Jenkins for implementing CI/CD pipelines.
Experience in managing source control with Git, Azure Repos, and GitHub.
Integrated pipelines with Kubernetes deployments and automated testing.
Configuration Management & Orchestration:
Skilled in using Ansible for automation of configuration management and deployment tasks across diverse environments.
Experience with Kubernetes for container orchestration, including writing Helm charts and managing EKS/AKS clusters.
Scripting & Automation:
Strong programming skills in Python and Shell scripting for task automation, system monitoring, and cloud management.
AJAX
JavaScript
HTML
WordPress
CSS 3
jQuery
PHP
Laravel
API
Kubernetes
Jenkins
Ansible
Azure DevOps
AWS CodeBuild
Terraform
Rajendran S.
Madurai, India
$25/hr
5.0
66 jobs
I’m Raj, CEO and Founder of Sumanas Technologies, and a hands-on Tech Lead with 17+ years of experience in MERN stack full-stack development.
At Sumanas, we build scalable React.js applications and modern web platforms focused on performance, clean architecture, and long-term maintainability. Our frontend developers follow proven engineering practices to deliver production-ready applications that scale reliably for real users.
🏆 PROVEN TRACK RECORD IN PRODUCTION
✅ Delivered a custom fitness platform with a web portal for admins and trainers and a mobile app for customers, supporting 50+ trainers across multiple branches. The platform covers scheduling, online classes, trainer–client communication, and other operational workflows. (Laravel)
✅ Developed a multi-branch food operations portal (10+ locations) to centralize inventory and operations, including stock tracking, low-stock and purchase alerts, branch-wise reporting, role-based access, P&L dashboards, and related controls to reduce manual effort and improve margin visibility. (React.js, Node.js)
✅ Engineered a scalable event management SaaS designed to support 1,000+ attendees per event and 10,000+ on-spot registrations, with capabilities such as QR-based check-in, real-time engagement, exhibitor and speaker management, a dedicated CRM, attendee mobile app support, and other event-day workflows.
✅ Implemented a theatre management system to streamline daily operations, covering ticket sales calculations, show-wise revenue tracking, dividend calculations, and additional financial processes, replacing manual Excel workflows and improving day-to-day visibility.
✅ Created a web-based AI photo-matching SaaS that helps users find their photos from large event galleries post-event by uploading a selfie, along with supporting workflows for media delivery and user access, significantly reducing photo discovery time.
📊 IMPACT DELIVERED BY OUR TEAM
5M+ daily users on our Node.js platforms
99.99% uptime for react.js applications in production
70% improvement in Page Speed after optimization
60% increase in conversion rates after UX improvements
85% reduction in bug reports after TypeScript migration
40% faster development cycles with reusable component libraries
💡 WHY SUMANAS IS THE BEST CHOICE FOR FRONTEND DEVELOPMENT
🏠 100% in-house web developer team — no freelancers
🎯 CTO-level technical leadership with proven track record
🔧 Enterprise-grade Software Architecture for scalability
⚡ Performance obsession — every react.js component optimized
🎨 Design system expertise for consistent UX & UI Design
📊 Data-driven approach — A/B testing, analytics integration
⭐ Proven results: 75% repeat clients, 100% Upwork Job Success
🛠 COMPLETE TECH STACK
Frontend: React 18, Next.js 14, TypeScript, Redux Toolkit, React Query
Styling: Tailwind CSS, Styled Components, CSS Modules, SCSS
Testing: Jest, Cypress, React Testing Library, Playwright
Build Tools: Vite, Webpack, Turbopack, ESBuild
Backend: node.js, NestJS, GraphQL, tRPC
Database: PostgreSQL, MongoDB, Redis, Supabase
Cloud: AWS, Vercel, Google Cloud Platform
Whether you need complete Web Development, a react developer team extension, react native developer for mobile, full stack web developer for end-to-end solutions, We deliver exceptional results using cutting-edge react.js, TypeScript, node.js, and full stack developer expertise.
Let's discuss how Sumanas can bring your web vision to life with enterprise-grade front end developer talent and full stack developer capabilities!
JavaScript
React Native
Node.js
AngularJS
Laravel
Web Development
Vue.js
AWS Application
React
MERN Stack
MongoDB
MySQL
Tailwind CSS
CSS
HTML5
Rathnaraj S.
Madurai, India
$30/hr
4.9
181 jobs
Top Rated Plus Upwork Freelancer.
If you're looking for steady growth or just to improve your numbers, I'm a valuable asset to your brand.
I'm a Google Ads Certified Professional Individual as well as MicrosoftAds Certified Professional and also have status as a Google Partner and Microsoft Ads Partner. I have been managing PPC Accounts since 2006. I have been working in the Internet Marketing industry for a wide variety of niches including the following: Ecommerce, Real Estate, Health Industry, Skin, Hair and Beauty, HVAC (Heating & Ventilation), Fashion, Loans, Dental, Education and lots of others.. I've managed large brands online with six-figure monthly spend. I've handled clients from the US, UK, Ireland, AUS, Netherlands & India.
I'm having a detailed understanding of Google Ads Editor, MicrosoftAds Editor, and other online marketing tools like Spyfu, SEMRush, Wordstream, KeywordSpy etc.
I've worked on various Project Management Tools(activeCollab, Basecamp, teamwork).
CREDENTIALS:
- Google Ads(Search, Display, Video, and Mobile) Certification
- Google Analytics Certification
- Google Shopping Certification
- Microsoft Ads Certification
OFFERINGS:
- Campaign Creation - Digital marketing campaign creation which includes multiple campaign set up to test various advertising elements with the purpose of optimizing to the best performing campaign. Each campaign is set up using current best practices for the respective platform.
- Campaign Monitoring & Optimization- Ongoing campaign guidance, monitoring, set up, and optimization to maximize the effectiveness and longevity of your digital campaigns.
- Dashboard Performance Reporting - Dynamic digital reporting dashboard created to visually show all relevant campaign and website metrics. This allows maximum awareness of campaign performance, positioning the data is the easiest way to consume it.
- Website & Marketing Event Tracking - Creation and placement of web and advertising related tracking codes on your business website. This includes, but is not limited to, Google Analytics, Google Ads Conversion Tags, Facebook Pixel, Google tag manager, Remarketing Tags, and Custom Conversion Tags.
- Digital Campaign Audit & Refresh - Complete audit of all paid digital marketing campaigns outlining missed areas of opportunity, move forward recommendations, and complete execution of the audit recommendations.
I can analyze your existing campaign(s) and give you my expert opinion. For this analysis report and opinion, I'll not charge anything. Just shoot me a message, you will not regret it after looking at the analysis report.
If you want to collaborate with me let’s discuss it in more detail over. Looking forward to working with you.
Thanks
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