Hey folks, I'm

Soumyakant Swain Java Backend Developer Backend Specialist

A B2C/B2B backend service to create, apply, and generate coupons dynamically in real-time based on predefined configurations, supporting cart value, category-specific, brand-specific discounts, and freebies.

Outcomes: Increased sales and revenue for clients through personalized promotions and enhanced customer engagement.

Tech Stack: Java | Spring Boot | PostgreSQL | GCP

Timeline: Jul 2023 – Oct 2024

A B2B backend service to manage purchase orders, billing, payments, refunds, inventory returns, and stock transfer with an express purchase feature streamlining inward and put-away flows.

Outcomes: Cost savings, improved operational efficiency, and enhanced customer satisfaction.

Tech Stack: Java | Spring Boot | PostgreSQL | GCP

Timeline: Nov 2022 – Oct 2024

A monolithic hub for third-party integrations with three modules: Tally Module (sync financial data with Tally Prime), Order Processing Module (group and forward B2C orders to logistics/OMS with reporting), and WhatsApp Order Module (enable ordering via WhatsApp).

Outcomes: Expanded market reach and improved client accessibility.

Tech Stack: Java | Spring Boot | PostgreSQL | GCP

Timeline: Oct 2023 – Oct 2024

REST API for an online movie ticket booking platform with modules for Admin, Customer, Movie/Theatre, and Booking. Includes validation, session-based auth (UUID), and Swagger docs.

Outcomes: Demonstrated proficiency in building scalable REST APIs with proper authentication and documentation.

Tech Stack: Java | Spring Boot | Hibernate | MySQL

Timeline: Built in 7 days

A REST API for an Online Cab Booking Application. Customers can book cabs to travelling different destinations. This API performs all the fundamental CRUD operations.

Outcomes: Successfully implemented a complete backend system with CRUD operations and demonstrated Spring Boot expertise.

Tech Stack: Java | Spring Boot | Hibernate | MySQL

Timeline: Built in 7 days