Full Stack Developer

About Koonei:

At Koonei

Position Overview:

As a Full Stack Developer, you will be responsible for developing the backend architecture and building the infrastructure necessary to support our SaaS products. You will work on both backend and frontend aspects of our systems, collaborating with product and engineering teams to deliver high-performance, scalable solutions. You will also have the opportunity to work with LLMs (OpenAI, Claude)

What You’ll Do:

• Backend Development

  : Design, implement, and optimize the server-side infrastructure using 

  Node.js

  , 

  Express

  , 

  MongoDB

  , and 

  PostgreSQL

• Frontend Development

  : Work with 

  React

   and 

  Next.js

   to develop intuitive and responsive user interfaces
• Build and maintain 

  RESTful APIs

   that enable smooth communication between the frontend and backend

• System Design & Architecture

  : Collaborate on designing scalable, efficient backend systems and databases, ensuring high performance and low latency

• AI Integration

  : Leverage your understanding of 

  LLMs

   like 

  OpenAI

   or 

  Claude

   to integrate intelligent solutions into our ecosystem
• Optimize database queries and ensure fast data retrieval and storage
• Continuously improve code quality, ensuring the application is maintainable and scalable
• Collaborate with product, design, and other teams to understand requirements and deliver high-quality features
• Troubleshoot and resolve issues across the stack to improve the overall user experience
• Learn and adapt to new technologies as required by evolving product needs

What We’re Looking For:

• 3+ years of experience

   as a Full Stack Developer with a strong focus on 

  backend development

• Proficiency in JavaScript

  , 

  Node.js

  , 

  Express

  , 

  React

  , and 

  Next.js

• Strong experience with MongoDB

   and 

  PostgreSQL

• Solid understanding and hands-on experience building REST APIs

• Good knowledge of Data Structures & Algorithms (DSA)

  , 

  system design

  , and logic-building
• Experience working with 

  SaaS ecosystems

   and a proven track record of developing products already available in the market

• Familiarity with LLMs

   (e.g., 

  OpenAI

  , 

  Claude

  ) and how they integrate with modern applications
• Knowledge of 

  cloud platforms

   such as 

  AWS

   (preferred) or other similar services
• Strong understanding of software development principles and best practices
• Willingness to learn and adapt to new technologies and tools as needed
• Strong problem-solving skills, with the ability to design scalable, efficient solutions
• Excellent communication and collaboration skills, with the ability to work well in a team and independently

What You’ll Get:

• Competitive salary
• Opportunity to work in a fast-growing SaaS company with ample career development opportunities
• A flexible, collaborative work environment where you can make a meaningful impact
• Flexibility in working hours and the possibility of remote work
• Professional development and mentorship opportunities
• Access to cutting-edge technologies, including 

  AI and cloud-based solutions

Additional Information:

• Please note

  : We do not currently have an Indian entity. As such, 

  you will be responsible for managing your own PF, Health Insurance, taxes, etc.

• In the future, we hope to establish an Indian entity.

• Salary will be provided in USD

  .

Looking forward to seeing what you can bring to our team. Let’s build something amazing together!