Arihant Jain

Senior Software Engineer

Perfios•  April 2024 - Present•  New Delhi

Built and maintained distributed APIs processing 1M+ daily requests with 99.9% uptime, optimizing average latency to 1.2 seconds. Designed a microservice leveraging Celery, AWS Fargate, Docker, and Lambda, processing 200K+ requests daily, reducing vendor costs by 27%. Reduced system downtime by 10% and improved cold start performance by 15% through API containerization. Fixed VAPT vulnerabilities, improving security metrics by 12%. Reviewed 100+ pull requests, mentored 10+ peers, and supported hiring by conducting technical interviews.

Software Engineer 1

Perfios (Karza)•  October 2022 - April 2024•  Mumbai

Led the development of 16 APIs and revamped 35+ APIs for the Total-KYC product, scraping data from 300+ websites. Reduced latency by 3.4 seconds and improved uptime by 4% through rate-limiting and transaction-per-unit-time logic. Automated a payment gateway by scraping 200+ daily payments using Selenium, streamlining workflows. Developed cron jobs for API logistics, enhancing billing accuracy by 25% and reducing processing time by 30%.

Software Engineer - Frontend

InTimeTec•  March 2021 - September 2022•  Jaipur

Spearheaded a team of 5 engineers to replace a legacy .NET application, achieving a 200% improvement in operational flexibility. Implemented robust two-factor authentication using the MSAL Library, ensuring 100% secure user access. Delivered the first release in 34 days, achieving 95% of scheduled requirements while implementing CI/CD pipelines, reducing deployment time by 30%.