Ranvir Kumar

Software Development Engineer

InvoiceCloud

04-2025 - Present

Integrated multiple third-party REST APIs to fetch and display real-time data, improving application responsiveness and enhancing user experience by 30%. Worked with secure authentication mechanisms such as API keys, OAuth, JWT, and Bearer tokens, reducing authentication failures by 40% and improving API reliability. Designed a consistent API service layer pattern across the application, increasing code reusability by 30-40% and simplifying long-term scalability. Optimized CI/CD pipelines with Azure DevOps and GitHub Actions, achieving 30% faster build times and reducing deployment failures. Engineered automated alerts based on New Relic observability metrics, which decreased mean time to resolution (MTTR) by 35% and facilitated faster responses to critical system anomalies. Identified and fixed 20+ high-priority bugs, resulting in a 35% improvement in application stability and smoother user experience. Created and maintained 5 automated Selenium-based Synthetics scripts in JavaScript for New Relic, enabling continuous validation of key workflows and reducing manual QA effort.