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I'm Aarsha Leena, a full-stack software engineer specializing in Ruby on Rails and React. I build scalable, maintainable applications with clean architecture, performance optimization, and user-focused features. I enjoy collaborating with cross-functional teams, mentoring peers, and delivering end-to-end solutions—from back-end services to delightful front-end experiences—across global deployments.…I'm Aarsha Leena, a full-stack software engineer specializing in Ruby on Rails and React. I build scalable, maintainable applications with clean architecture, performance optimization, and user-focused features. I enjoy collaborating with cross-functional teams, mentoring peers, and delivering end-to-end solutions—from back-end services to delightful front-end experiences—across global deployments.

Aarsha Leena

Front-End Developer, Back-End Developer, Full Stack Developer, +1

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I'm Aarsha Leena, a full-stack software engineer specializing in Ruby on Rails and React. I build scalable, maintainable applications with clean architecture, performance optimization, and user-focused features. I enjoy collaborating with cross-functional teams, mentoring peers, and delivering end-to-end solutions—from back-end services to delightful front-end experiences—across global deployments.…I'm Aarsha Leena, a full-stack software engineer specializing in Ruby on Rails and React. I build scalable, maintainable applications with clean architecture, performance optimization, and user-focused features. I enjoy collaborating with cross-functional teams, mentoring peers, and delivering end-to-end solutions—from back-end services to delightful front-end experiences—across global deployments.

Available to hire

I’m Aarsha Leena, a full-stack software engineer specializing in Ruby on Rails and React. I build scalable, maintainable applications with clean architecture, performance optimization, and user-focused features.

I enjoy collaborating with cross-functional teams, mentoring peers, and delivering end-to-end solutions—from back-end services to delightful front-end experiences—across global deployments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Hindi

Fluent

Malayalam

Advanced

Japanese

Beginner

Work Experience

Software Engineer at Brave Studio Inc.

May 1, 2025 - Present

End-to-end development of a Rails-based program application platform, leading front-end and back-end development and database schema design. Mentored a junior engineer through structured code reviews and architectural guidance. Drove front-end development for the Osaka Expo 2025 web application, delivering an Eye Age Prediction feature showcased at a global event with 29M+ visitors. Improved application performance by 40% by diagnosing N+1 query bottlenecks, introducing eager loading strategies, and implementing fragment caching across critical user flows. Designed and implemented asynchronous workflows using Sidekiq and Cronto to automate email notifications and reminders. Built a secure authentication subsystem by implementing production-grade TOTP-based two-factor authentication using Go, Gin, and Next.js with Google Authenticator integration. Enabled secure asset delivery by integrating AWS S3 pre-signed URLs for controlled access to images, PDFs, and other application resources. S

Web Developer at CIDRIE

March 1, 2023 - August 1, 2023

Designed and launched a data-visualization dashboard using the MERN stack, cutting analysis time by 20%. Integrated real-time sensor data with MongoDB, improving data retrieval performance by 30%. Designed and implemented interactive graph modules and visualization tools, doubling data-handling efficiency for end users.