Full Stack Engineer

Company Description

Yaper is an innovative platform that transforms credit card usage by helping individuals turn liabilities into assets. Through strategic management of credit cards, Yaper empowers users to generate secondary income streams. With a user-focused approach, Yaper aims to revolutionize personal finance and financial freedom for its growing user base.

Role Description

This is a full-time on-site role for a Full Stack Engineer based in Gurugram. In this role, you will be responsible for both front-end and back-end development, ensuring seamless integration and functionality of Yaper’s platform. You will work on software development tasks, troubleshoot issues, write and test code, and collaborate with cross-functional teams to deliver optimal user experiences. This position requires hands-on involvement in creating responsive and efficient applications that align with our mission to enhance financial literacy and independence.

Role Overview

We’re hiring a Full Stack Engineer

 You’ll work directly with our founding and product teams to design, develop, and deploy features that impact thousands of users.

Your Responsibilities

• Build and maintain end-to-end features across frontend and backend.
• Develop dynamic and responsive UIs using 

  React Native (Expo)

   and 

  JavaScript/CSS

  .
• Architect scalable APIs using 

  Ruby on Rails

  .
• Ensure system 

  stability, reliability, and scalability

  .
• Integrate 

  third-party services

   (Meta, Google Analytics, WebEngage, Branch, Bedrock, etc.).
• Use 

  AWS

  , 

  Docker

  , and 

  Sentry

   for deployment, monitoring, and debugging.
• Collaborate with designers, PMs, and stakeholders for high-speed execution.
• Write 

  clean, modular, testable code

   — and care about the product as much as the code.

Tech Stack

Frontend:

Backend:

Database:

Hosting:

Tools & Infra:

Integrations:

What We’re Looking For

• 2–3 years of professional 

  Full Stack experience

  .
• Strong grasp of 

  Ruby on Rails

   and 

  React Native

  .
• Working knowledge of 

  PostgreSQL

  , 

  ElasticSearch

  , and 

  AWS

  .
• Problem-solving mindset and attention to performance.
• Solid understanding of 

  API architecture

   and 

  CI/CD pipelines

  .
• Ownership mentality — we love builders, not executors.
• Bonus: prior 

  app development

   or 

  AI integration

   experience.

Personal Skills We Value

• Communication with stakeholders
• Time management & reliability
• Hustle culture mindset — ship fast, improve faster
• Analytical & problem-solving ability
• Focus on stability and scalability

Perks & Benefits

• Flexible working hours
• Lenient leave policy (no fixed leaves — task delivery matters most)
• Annual team outing
• Major control over projects
• Competitive compensation
• Fast learning environment with real product impact.

Use this HACK to Get Noticed

Want to skip the line? Solve this logic puzzle before applying

Question:

1, 2, 6, 21, 88, 445,?

Hint: It’s not just addition or multiplication — look at how each term relates to its position.

How to Apply

Send your resume, GitHub, or project links to

only the correct answer

• That’s how we’ll know you’re detail-oriented enough to join our team