Ajith Reddy

Ruby on Rails Developer with 5+ years of experience designing and developing scalable multi-tenant SaaS applications, high-performance REST APIs, and distributed backend systems. Experienced in secure authentication (JWT, OAuth2, HMAC), ERP integrations, asynchronous processing with Sidekiq, Redis, and PostgreSQL optimization. Strong expertise in scalable system architecture, cloud-native application development, performance optimization, caching, and production support.

Ruby on Rails Developer at XStreamPOS (2024-12 – Present)

• Developed scalable Ruby 3.3, Rails 8 applications using MVC, ActiveRecord, Service Objects, and Design Patterns.
• Implemented subdomain-based multi-tenancy using the Apartment Gem for multi-brand, multi-country applications.
• Designed and developed scalable REST APIs with API versioning, JWT, OAuth2, and HMAC authentication for ERP integrations.
• Optimized PostgreSQL queries, SQL views, functions, indexing and Active Record queries, improving performance by 40%.
• Built asynchronous background jobs using Sidekiq, Redis, and scheduled tasks.
• Automated testing using RSpec, FactoryBot, Cucumber, TDD, and BDD.
• Managed deployments using Git, Docker, AWS, Azure Key Vault, Azure Blob Storage, and CI/CD.
• Resolved production issues in Linux through root cause analysis and production support.
• Implemented Redis caching to reduce database load and idempotent APIs for faster, reliable integrations.
• Collaborated with frontend, QA, DevOps, and product teams throughout the complete SDLC including design reviews, sprint planning, deployments, and production support.
• Delivered new features, POCs, and enterprise integrations in Agile sprints.
• Participated in code reviews, sprint planning, UAT, deployments, and monitoring using Grafana.

Workato Developer at Ultimo Software Solutions (2023-11 – 2024-11)

• Developed scalable Ruby on Rails applications with Active Record and optimized data handling through associations and used gems.
• Designed and Developed responsive UIs using HTML, JavaScript, Tailwind CSS, and KendoGrid.
• Leveraged ActiveRecord associations, eager loading, and database indexing to improve query performance.
• Developed secure RESTful APIs for seamless data exchange with JSON.
• Built RSpec tests for code quality and handled background jobs with Sidekiq.
• Developed and Automated Workato recipe, including triggers, actions, and custom connectors.
• Experienced in data synchronization with D365, Shopify, and Magento using APIs.
• Used Jira and Confluence for project tracking and documentation.
• Delivered solutions for global clients in an Agile/Scrum environment, demonstrating strong communication and teamwork.

Software Engineer at Srishti Software Applications Pvt Ltd (2021-09 – 2023-10)

• Developed scalable Ruby on Rails applications prioritizing data security and compliance.
• Expertise in MVC architecture for scalable application design.
• Optimized PostgreSQL database performance with Active Record and indexing.
• Integrated third-party APIs and services.

Bachelor of Engineering – Kalpataru Institute of Technology

Intermediate Education – Vishwabharathi Independent Pre-University College (2015-04)