rahul kumar

Backend Developer

Bengaluru, India 1+ yrs exp 87 · Excellent

About

Backend Developer with 1+ years of experience delivering enterprise-grade applications using Java, Spring Boot, Microservices, React.js, and Node.js. Hands-on experience with AWS cloud services (Lambda, EC2, S3, SQS, CloudWatch, API Gateway) alongside Spring Security, JWT/SSO authentication, RBAC, and CI/CD pipelines. Skilled in leveraging AI-assisted development tools (GitHub Copilot, AI coding agents) to accelerate delivery and improve code quality. Experienced in Agile/Scrum sprint-based delivery, cross-functional team collaboration, and MVP milestone execution. Strong foundation in OOP, DSA, SQL, and System Design.

Skills & Expertise (51)

JavaScript Intermediate

6.5/10

Years Exp

GitHub Intermediate

6.0/10

Years Exp

REST APIs Intermediate

6.0/10

Years Exp

Express.js Intermediate

6.0/10

Years Exp

Node.js Intermediate

6.0/10

Years Exp

Git Intermediate

6.0/10

Years Exp

SQL Intermediate

5.5/10

Years Exp

Java Intermediate

5.5/10

Years Exp

Docker Intermediate

5.0/10

Years Exp

Microservices Intermediate

5.0/10

Years Exp

Kubernetes Beginner

4.0/10

Prompt Engineering System Design Cd pipelines GitHub Actions Azure AD Nginx Kafka LINUX SSO DBMS API Security Gitlab Maven Postman VS Code IntelliJ IDEA DSA OOP Spring Security Lambda EC2 S3 SQS CloudWatch API Gateway IAM RDS Spring Boot Spring MVC ChatGPT Spring Data JPA Hibernate JWT Auth RBAC React.js bootstrap Tailwind CSS HTML5 CSS3 GitHub Copilot

Work Experience

Assistant System Engineer

Nexucon Consultancy Services

Nov 2025 - May 2026

Engineered enterprise-grade Accounting platform with modular, secure, and optimised REST API architecture covering core Accounting, Invoice, PO, Ledger, Banking Reconciliation, and Financial Reporting for multi-entity operations. Designed dynamic tax calculation engine supporting GST (CGST, SGST, IGST), TDS deduction, HSN/SAC codes, configurable tax slabs, multi-state taxation, and foreign client tax handling including VAT, withholding tax, and currency-aware tax computation. Integrated Azure AD SSO with SAML-based authentication for enterprise client login flows; implemented three-tier RBAC (SuperAdmin / Accountant / User) with JWT, entity-level permissions, and role-scoped data access control. Developed Financial Reporting suite: P&L Statement, Balance Sheet, GST Reports, Outstanding Reports, and Cash Flow tracking with exportable data. Used GitHub Copilot and AI coding agents for boilerplate generation, code review assistance, and faster debugging across the module.

Backend Development Intern

NextEdge Labs LLP

Apr 2025 - Oct 2025

Built and maintained RESTful API endpoints using Node.js and Express.js; designed MongoDB schemas, validation middleware, and error-handling layers for a production backend service. Implemented JWT-based authentication for user session management; contributed to feature development and bug fixes; gained practical exposure to Agile collaboration and CI/CD delivery standards via Git workflows.