Dinesh P

Back End Developer

Kalkani Systems Private Limited • Full time

May 2025 - Apr 2026 • 11 mos

Worked on production backend systems, AI-powered workflows, payment integrations, and subscription-based business logic using Laravel. Key contributions: • Designed AI-powered workflows using OpenAI APIs, including system prompt design, structured JSON outputs, and token-usage optimization. • Developed and maintained REST APIs and backend functionality for production applications. • Integrated Stripe and PayPal payment workflows, including seller onboarding, subscription management, customer billing, and payment-related webhooks. • Implemented subscription lifecycle logic to manage customer AI usage limits across plan upgrades, subscription cancellations or pauses, and re-subscriptions. • Worked on tax, invoice, and billing workflows associated with payment integrations. • Managed queue jobs, background processing, and date/time handling for international clients. • Worked on PostgreSQL and MongoDB queries and database optimization. • Developed reporting, analytics, and CSV export functionality. • Monitored and troubleshot production issues using Sentry. • Collaborated with frontend, QA, and product teams to support application releases and resolve issues. Technologies: PHP, Laravel, REST APIs, OpenAI APIs, PostgreSQL, MongoDB, Stripe, PayPal, Queues, Webhooks, Sentry, Docker, NestJS.

Full Stack Developer

Plenar Tech • Full time

Oct 2022 - Jul 2024 • 1 yr 9 mos

Maintained and enhanced an existing telehealth platform using Laravel, Vue.js, and database technologies, contributing to backend APIs and application workflows. Key contributions: - Developed and maintained REST APIs for application features and integrations. - Implemented role-based permissions and branch-level access restrictions for a multi-branch platform. - Worked on appointment management, doctor activity logs, patient vitals, and related telehealth workflows. - Implemented queue-based background processing for reports, notifications, reminders, backups, and scheduled maintenance tasks. - Worked with MySQL and MongoDB for application data and audit-related information. - Collaborated with frontend and mobile development teams to support application functionality and resolve integration issues. - Contributed to ongoing maintenance, enhancements, and production issue resolution. Technologies: PHP, Laravel, Vue.js, MySQL, MongoDB, REST APIs, Laravel Passport, Queues, Postman.

Laravel Developer

Cirkle Studio Pvt • Full time

Apr 2021 - Sep 2021 • 5 mos

Worked on backend development using PHP and Laravel, with a focus on REST APIs for mobile applications. Key contributions: - Developed and maintained REST APIs to support mobile application functionality. - Implemented authenticated API endpoints and backend functionality. - Worked on API request handling, data validation, and integration requirements. - Supported backend maintenance and issue resolution as needed. Technologies: PHP, Laravel, REST APIs, MySQL, API Authentication.