Full Stack Engineer

Company Overview:

CashKaro

EarnKaro

BankKaro

Role Overview:

Full stack Developer

Experience Required:

3+ years of professional development experience (with solid exposure to both front-end and back-end).

Must-Have Skills

• Front-end Development:

  React.js, Next.js, JavaScript (ES6+), MUI, HTML5, CSS3, SASS/LESS.

• Back-end Development:

  Node.js with Express.js or Nest.js.

• Databases:

  Strong knowledge of

  MySQL/PostgreSQL

  (relational) and experience with NoSQL databases like

  MongoDB, DynamoDB, Redis

  .

• API Design:

  RESTful API development, integration, and optimization.

• Performance Optimization:

  Hands-on with caching (Redis), code splitting, lazy loading, query optimization, and handling high concurrency.

• Testing:

  Experience with unit and integration testing (Jest, Mocha, Cypress).

• Deployment & DevOps Awareness:

  Familiarity with CI/CD pipelines (GitHub Actions, AWS Code Pipeline, or similar).

• Version Control:

  Proficiency in Git and Git-based workflows.

• Security & Scalability:

  Best practices for authentication, authorization, and secure coding.

Key Responsibilities

• Design, build, and maintain

  end-to-end web applications

  for BankKaro, ProfitShare, and Marketing Campaigns.
• Develop front-end interfaces using

  React.js, Next.js, MUI, and Tailwind CSS

  .
• Build scalable back-end services and APIs using

  Node.js, Express.js (or Nest.js)

  .
• Work with relational and non-relational databases (

  MySQL/PostgreSQL, MongoDB, DynamoDB, Redis

  ).
• Ensure

  system performance, scalability, and reliability

  , handling concurrency for thousands of active users.
• Optimize applications for performance, SEO, and Google Page Speed guidelines.
• Implement best practices in

  security, authentication/authorization, and data protection

  .
• Collaborate with designers to transform Figma mockups into pixel-perfect UIs.
• Write clean, maintainable, and testable code across the stack.
• Participate in code reviews, knowledge sharing, and continuous improvement initiatives.
• Stay up to date with industry trends and recommend improvements to tools, processes, and technologies.