Pritesh Chaudhari
Senior Backend Developer
About
Senior Backend Developer with 7+ years of experience in PHP and MySQL, specializing in RESTful API development, payment gateway integration, webhook handling, and scalable backend systems. Proven expertise in building secure, high-performance web applications and optimizing database performance.
Skills & Expertise (27)
Work Experience
Senior Backend Developer
Triplecom Media Pvt Ltd
Feb 2025 - Nov 2025
Developed and deployed the Ads_web platform with a dynamic Payment Subscription module, increasing subscription conversions by 25% and improving overall user experience. Integrated and configured Razorpay, Paytm, and PayU payment gateways with secure webhook handling to automate subscription lifecycle management, reducing manual reconciliation efforts by 40% and improving transaction success rate by 18%. Developed Gupshup SMS integration within authentication APIs to automatically notify users on successful subscription and payment confirmation, improving notification reliability by 45% and reducing support queries by 20%. Migrated backend services from PHP to Node.js (NestJS), developing 10+ scalable REST APIs for subscription management, payment processing, and user metadata handling, improving system performance by 30% and reducing response time by 28%. Optimized MySQL databases by restructuring queries, implementing indexing, and refining schema design, reducing API latency by 35% and improving database efficiency and performance. Integrated third-party vendor services within backend systems to onboard and support external vendors on the OTT platform, improving onboarding efficiency by 32% and expanding platform capabilities. Collaborated closely with marketing and product teams to design and deploy subscription workflows and promotional campaigns, improving campaign conversion rates by 22%. Leveraged AI-assisted prompt engineering for debugging, code optimization, and documentation, improving code quality, development efficiency by 25%, and overall backend system reliability.
Fullstack Developer
Chrislyn Software & Solutions
Oct 2017 - Jan 2025
Designed and developed 10+ dynamic and responsive websites for educational institutions using HTML, CSS, and JavaScript, increasing user engagement by 30% through improved navigation and mobile responsiveness. Built mobile-first layouts using the Bootstrap framework, ensuring 100% device compatibility across desktop, tablet, and mobile platforms. Converted web applications into Android APKs, expanding accessibility and increasing app downloads by 40%. Developed interactive user interfaces with HTML, CSS, JavaScript, and Bootstrap, reducing average page load time by 20% and enhancing the overall user experience. Implemented server-side functionalities in Core PHP, processing 20+ daily form submissions and ensuring seamless user authentication and dynamic content handling. Integrated and managed MySQL databases to store dynamic content (student records, course data, contact forms), reducing manual data errors by 15%. Enhanced interactivity by adding JavaScript-based dynamic features (image sliders, modals), increasing user engagement by 20% and reducing bounce rate. Optimized code and images for SEO, boosting search engine rankings by 35% and reducing page load times by 20%. Ensured cross-browser compatibility, maintaining a 98% consistency rate across Chrome, Firefox, Safari, and Edge browsers.
Education
M.Sc (Computer Science) - University of Mumbai
2015 - 2017 · Afghanistan
B.Sc (Computer Science) - North Maharashtra University
2012 - 2015 · Afghanistan
Certifications
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Skills (27)
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