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Sri Ajay KumarSA

Sri Ajay Kumar

Full Stack Developer (Backend Focus)

€157/day
Madurai, IN
3-7 years
Node.js
Express
MongoDB
React.js
Docker

Average response time: 1 hour

About Sri Ajay

"My title doesn't define me. The solutions I build do."

I'm a Full Stack Developer with 2+ years of professional experience, specializing in backend development using Node.js, Express.js, and MongoDB. I enjoy building scalable, secure, and user-friendly web applications that solve real business problems.

I've developed complete e-commerce platforms, including customer-facing stores and powerful admin dashboards with features like product and order management, payment gateway integration (Razorpay), shipping integration (Shiprocket), SMTP configuration, and real-time order tracking. While I'm new to freelancing, I have hands-on experience delivering production-ready applications and collaborating closely with clients to turn ideas into reliable software.

I believe in clean code, clear communication, continuous learning, and delivering quality work that creates lasting value.
Digital and IT Services
E-commerce
Software Publishing

  • English

    Native or bilingual

  • Tamil

    Native or bilingual

  • Malayalam

    Conversational

Remote only
Primarily works remotely

Experience

  • MernSoul
    Full Stack Developer
    June 2026 - June 2026
    • Developed a complete e-commerce platform for an imitation jewellery brand with customer storefront and enterprise-level admin dashboard.
    • Built product, inventory, order, discount, customer review, and CMS management modules.
    • Integrated Razorpay payment gateway and Shiprocket shipping API with automated shipment creation and real-time order tracking.
    • Developed a unified order tracking system supporting both Shiprocket and manual courier workflows.
    • Designed scalable REST APIs using Node.js, Express.js, and MongoDB.
    Node.js React.js MongoDB API REST Payment & Third-Party API Integration
  • Brandfortunes,
    Backend Developer
    December 2024 - Today (1 year and 8 months)
    India
    • • Engineered scalable backend services for sales, inventory, and order-processing workflows spanning six marketplaces (Amazon, Myntra, Flipkart, Nykaa, Ajio, TataCliq).
    • • Optimized MongoDB aggregation pipelines, improving API response time and reporting performance by 35%.
    • • Architected RabbitMQ-based asynchronous workflows to process high-volume marketplace data reliably at scale.
    • • Automated inventory planning and Days-on-Hand (DOH) calculations, reducing manual reporting workload.
    • • Built CSV/XLSX ingestion pipelines with validation and duplicate detection, cutting manual data entry by 80%.
    • • Delivered cron-driven, Socket.IO-powered notification systems for real-time PO tracking, significantly reducing missed deliveries.

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Education

  • Bachelor of Computer Science
    Latha Mathavan College
    2023
    Bachelor of Computer Science

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