Full Stack Developer (Node.js / .NET Core / PostgreSQL)

Professional Summary:

Full Stack Developer with 4+ years of experience specializing in Node.js backend development, PostgreSQL database design, and modern front-end integration using JavaScript, Tailwind CSS, and .NET Core MVC.

Proven expertise in API-driven architectures, Postman API modeling, and FinTech-grade application development, delivering secure, high-performance, and scalable solutions for enterprise-level clients.

Strong understanding of modular, multi-tenant systems, dynamic UI design, and data-rich transactional flows in the financial domain.

Technical Skills

Backend Development

Node.js (Express.js) RESTful API design, routing, middleware, validation, error handling

.NET Core MVC – hybrid service integration, modular controller logic, ADO.NET-based data access

PostgreSQL – schema design, joins, views, indexing, stored procedures, query tuning

API Modeling with Postman – collection setup, pre/post request scripts, environment configuration, automation tests, mock servers

Authentication & Authorization: JWT, OAuth2, role-based access, API tokens

Frontend Development

JavaScript (ES6+), HTML5, CSS3, jQuery

Tailwind CSS – component-driven, responsive UI .

AJAX / Fetch API – async data handling and API integration

Dynamic Condition Builder JS-based configuration tools for business logic customization

Database & Data Layer

PostgreSQL – relational modeling, normalization, triggers, functions, and performance tuning

SQL Query Optimization – advanced joins, CTEs, grouping, and aggregation

Transaction control for financial and audit-sensitive operations

Tools & DevOps

Postman – API documentation, testing, and regression automation

Git / Bitbucket – version control and branching strategy for multi-client deployments

CI-CD Pipelines – automated builds and environment-based deployment

Environment Config Management – Dev / UAT / Prod setup handling

Key Highlights

Developed multi-tenant Node.js backend services integrated with PostgreSQL and MVC frontends

Designed Postman API collections with environment-based mock testing and automation

Implemented modular backend APIs supporting real-time data validation and fraud checks

Collaborated in cross-stack projects using .NET Core MVC + Node.js APIs + PostgreSQL

Added Advantages

Strong debugging and performance optimization skills

Hands-on experience with microservice architecture

Knowledge of cloud deployment strategies (AWS / Azure app services)

Familiar with low-code dynamic UI builders and JSON-based API response modeling

Excellent understanding of secure coding standards, encryption, and API throttling mechanisms