Devendra Bangar

Ruby on Rails Software Engineer with 4+ years of experience building scalable SaaS and FinTech applications. Experienced in designing RESTful APIs, backend architecture, database optimization, third-party integrations, and production issue resolution. Skilled in Ruby on Rails, PostgreSQL, JavaScript, TypeScript, React, Docker, and Linux. Passionate about building reliable backend systems, improving application performance, and leveraging AI-powered solutions to automate business workflows.

Software Engineer at CodeNote IT Solutions Pvt. Ltd. (2023-01 – Present)

• Designed, developed, and maintained scalable Ruby on Rails applications for international clients.
• Built secure RESTful APIs and integrated multiple third-party services.
• Optimized PostgreSQL queries and ActiveRecord performance to improve application responsiveness.
• Implemented Sidekiq background jobs to process asynchronous tasks and improve user experience.
• Investigated and resolved complex production issues across Rails, PostgreSQL, Redis, and background workers.
• Enhanced frontend functionality using React.js, JavaScript, TypeScript, AJAX, and jQuery.
• Collaborated closely with QA, designers, and product managers in Agile sprint cycles.
• Participated in code reviews, sprint planning, estimation, and release management.
• Worked on application security improvements and accessibility compliance.
• Contributed to AI-powered workflow automation and backend improvements for internal GTM research tools.

Software Engineer Intern at CodeNote IT Solutions Pvt. Ltd. (2022-07 – 2022-07)

• Learned Ruby on Rails application architecture and MVC design patterns.
• Developed backend features under senior engineer guidance.
• Participated in Agile development and Git-based collaboration.
• Assisted in debugging production issues and implementing feature enhancements.

Technical & Operations Lead at Expressions Learning Resources Pvt. Ltd. (2020-01 – 2022-06)

• Managed technology infrastructure for smart classroom and online education platforms.
• Supported desktop systems, networking, hardware, and software administration.
• Built internal reporting dashboards using Microsoft Excel.
• Coordinated with educational organizations to improve digital learning operations.
• Managed digital content workflows and administrative portal operations.
• Led technical support and operational planning across multiple educational programs.

Bachelor of Computer Applications in Computer Applications – Rabindranath Tagore University (2024)