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Sahil Kumar

@sahilkumar24

Java Full-Stack Developer at Assystem who built a document management system with automated assignment and approval workflows.

India

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At Assystem, I designed and developed a Document Management System from scratch, with automated document assignment and approval workflows using the Strategy Design Pattern. I also migrated DeepCompliance project libraries to Apache 2.0-licensed and other open-source alternatives.

Previously, at Odoo, I implemented a bulk OCR processing system for invoice text extraction and accounting data processing, and improved task validation and scheduling latency by 60%. At I-Cube Systems Pvt Ltd, I developed a gift card management system that processed more than 100,000 daily transactions.

Experience

Work history, roles, and key accomplishments

Current

Sr. Developer

Current

Assystem

Feb 2026 - Present (9 months)

Designed and developed a Document Management System from scratch, implementing automated document assignment and approval workflows using the Strategy Design Pattern. Migrated DeepCompliance project libraries to Apache 2.0-licensed and other open-source alternatives.

Java Spring Boot Hibernate JPA Spring MVC PostgreSQL React AWS Strategy Design Pattern

Full-Stack Developer

Odoo

Jun 2025 - Jan 2026 (7 months)

Designed and implemented a scalable bulk OCR processing system using Spring Boot and Spring Batch for automated invoice text extraction. Developed a multi-step wizard in React with centralized state management and optimized SQL queries using materialized views, reducing latency by 60%.

Java Spring Boot Hibernate JPA Spring MVC PostgreSQL React AWS SpringBatch Redux Context API SQL Materialized Views Redis

Java Developer

I-Cube Systems Pvt Ltd

Jun 2023 - Jun 2025 (2 years)

Architected and integrated a notification system using WhatsApp Cloud API, driving a 30% increase in engagement. Led database query optimization efforts reducing query execution time by 45% and engineered a high-performance email scheduling system with 99.9% reliability.