Full Stack Engineer

Full Stack Developer (PERN Stack)

Location- Delhi NCR

Employment Type

Full-Time

Company

UNICSI Private Limited

About UNICSI

UNICSI is a technology-driven dropshipping and B2B marketplace platform connecting suppliers and sellers across India. We are building scalable solutions to simplify product sourcing, order management, supplier onboarding, logistics, and e-commerce operations.

Job Overview

We are looking for a highly motivated Full Stack Developer with strong expertise in the PERN Stack (PostgreSQL, Express.js, React.js, Node.js) to join our growing technology team. The ideal candidate will be responsible for developing, maintaining, and scaling our web applications while ensuring high performance, security, and reliability.

Key Responsibilities

* Develop and maintain scalable web applications using React.js, Node.js, Express.js, and PostgreSQL.

* Build RESTful APIs and integrate third-party services.

* Design and optimize database structures, queries, and data models.

* Collaborate with product managers, designers, and stakeholders to deliver new features.

* Write clean, reusable, and well-documented code.

* Implement authentication, authorization, and security best practices.

* Optimize application performance, scalability, and responsiveness.

* Troubleshoot, debug, and resolve production issues.

* Participate in code reviews and technical discussions.

* Manage deployments and server environments.

Required Skills

* Strong experience with:

  * React.js

  * Node.js

  * Express.js

  * PostgreSQL

* Good understanding of JavaScript (ES6+) and TypeScript.

* Experience with REST APIs and API integrations.

* Knowledge of Git and version control workflows.

* Understanding of authentication methods such as JWT and OAuth.

* Experience with cloud platforms such as AWS, DigitalOcean, or similar.

* Familiarity with Docker and CI/CD pipelines is a plus.

* Understanding of web security and performance optimization.

Preferred Qualifications

* Bachelor's degree in Computer Science or related field (preferred but not mandatory).

* 3+ years of experience in Full Stack Development.

* Experience building SaaS, Marketplace, E-commerce, or Dropshipping platforms.

* Ability to work independently and take ownership of projects.

What We Offer

* Competitive salary package.

* Opportunity to work on a rapidly growing technology platform.

* Flexible work environment.

* Career growth and leadership opportunities.

* Direct impact on product development and company growth.

Application Process

Interested candidates should submit:

* Updated Resume

* Portfolio/GitHub Profile

* Previous Project Links

* Current & Expected Salary

* Notice Period

Email: [Confidential Information]

Hiring Preference

• Candidates with experience in Marketplace, Dropshipping, ERP, E-commerce, Logistics, or SaaS platforms will be given preference.