Full Stack Developer

Sat Kartar Group; Delhi; On-site; INR 900,000 - 1,400,000; Full time

Job summary

Sat Kartar Group in Delhi seeks a versatile software engineer to design, build, and maintain modern web applications across frontend and backend stacks. You will work with HTML5, CSS3, JavaScript, React.js, Next.js, PHP frameworks, and Node.js to deliver robust REST and SOAP APIs.

Collaborate with cross-functional teams, integrate with external APIs, implement payment gateway solutions, ensure security, and follow best coding practices.

Qualifications

• Strong proficiency in HTML5, CSS3, JavaScript, Tailwind CSS, and TypeScript.
• Hands-on experience with React.js and Next.js.
• Solid experience in PHP (Laravel/CodeIgniter) and Node.js.
• Working knowledge of databases: MySQL, Oracle, MongoDB and NoSQL.
• Experience designing REST and SOAP APIs.
• Ability to integrate front-end with internal and third-party APIs; payment gateway integrations.

Responsibilities

• Develop, maintain, and optimize responsive front-end interfaces.
• Build scalable web apps using React.js and Next.js.
• Design, develop, and maintain server-side apps with PHP and Node.js.
• Integrate front-end with internal and third-party APIs.
• Implement and manage payment gateway integrations.
• Ensure robust security and data protection.
• Collaborate with cross-functional teams to plan tasks.

Skills

HTML5

CSS3

JavaScript

Tailwind CSS

TypeScript

React.js

Next.js

PHP

Laravel

CodeIgniter

Node.js

MySQL

Oracle

MongoDB

NoSQL

REST APIs

SOAP APIs

API integration

Payment gateway

Tools

Webpack

Babel

NPM

Job description

Responsibilities

• Develop, maintain, and optimize responsive front‑end interfaces using HTML5, CSS3, JavaScript, Tailwind CSS, and TypeScript.
• Build scalable web applications using modern JavaScript frameworks such as React.js and Next.js.
• Design, develop, and maintain server‑side applications using PHP (CodeIgniter, Laravel) and Node.js.
• Work with relational and non‑relational databases including MySQL, Oracle, MongoDB, and NoSQL technologies.
• Design, build, and maintain REST APIs and SOAP APIs.
• Integrate front‑end applications with internal APIs and third‑party APIs.
• Implement and manage payment gateway integrations.
• Implement modern authentication and authorization mechanisms such as JSON Web Tokens (JWT).
• Utilize front‑end development tools like Webpack, Babel, NPM for efficient workflows.
• Use version control tools such as GitHub and GitLab to manage code repositories.
• Troubleshoot, debug, and upgrade existing software systems.
• Ensure robust application security, implement data protection, and adhere to best coding practices.
• Collaborate with cross‑functional teams to plan and manage project tasks efficiently.
• Utilize CSS preprocessors and bundlers (e.g., Sass, Less, Webpack) when required.

Qualifications

• Strong proficiency in HTML5, CSS3, JavaScript, Tailwind CSS, and TypeScript.
• Hands‑on experience with React.js and Next.js.
• Solid experience in PHP (Laravel/CodeIgniter) and Node.js.
• Working knowledge of databases: MySQL, Oracle, MongoDB, and NoSQL.
• Experience in designing and developing REST & SOAP APIs.
• Ability to integrate front‑end with internal and third‑party APIs.
• Experience with payment gateway integrations.