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Rohit Kumar

@rohitkumar81

Senior Backend Developer at Happiest Minds Technologies who delivered a zero-incident Laravel and PHP migration and stabilized Pimcore systems.

India

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What I'm looking for

I'm looking for a Senior Backend Developer role. I'm available immediately and have no notice period.

At Happiest Minds Technologies, I owned T3 escalations across backend, AI-integrated workflows, and Content Lab systems. I delivered a zero-incident Laravel 5-to-12 and PHP 7-to-8.2 migration, and worked on PepsiCo Pimcore stabilization with 85%+ test coverage and SonarQube quality gates in CI/CD.

At Accion Labs India, I led a refactor during RLDatix’s Zend-to-Symfony migration that cut API response time by 35%, and migrated Rotary.org Joomla modules to Symfony services. Earlier, I built a real-time loan application flow with TransUnion credit integration at YapApp India Pvt Ltd and Laravel REST APIs for sports scheduling platforms at Bounx Sports. I also built Expense Manager, an open-source project with Laravel and TypeScript APIs and LLM-powered expense categorization.

Experience

Work history, roles, and key accomplishments

Senior Backend Developer

Happiest Minds Technologies

Jan 2024 - Mar 2026 (2 years 2 months)

Owned T3 escalations across Backend Core, AI-integrated workflows, and Content Lab systems. Delivered zero-incident deployment during Laravel 5 to 12 and PHP 7 to 8.2 migration, and led PepsiCo Pimcore stabilization with 85%+ test coverage.

PHP Laravel Pimcore XDebug SonarQube GitLab CI CD ServiceNow MySQL AI Assisted Code Review

Principal Software Engineer

Accion Labs India

Jun 2020 - Mar 2023 (2 years 9 months)

Led Zend to Symfony migration for RLDatix, cutting API response time by 35%. Migrated Joomla modules to Symfony services for Rotary.org, resolving 120+ bug tickets and delivering 15+ features across 6 sprints.

PHP Symfony Zend MySQL Kanban Data Analysis Debugging

Solution Architect

YapApp India Pvt Ltd

Sep 2018 - Mar 2020 (1 year 6 months)

Refactored Yii2 codebase in 30 days and introduced structured testing with Codeception/CodeceptJS. Built real-time loan application flow with TransUnion credit integration and optimized MySQL queries for high-volume lending workflows.

PHP Yii 2 MySQL Codeception CodeceptJS TransUnion APIs Fintech

Full Stack Developer

Dhriti Solution Sdn Bhd

May 2017 - May 2018 (1 year)

Built portfolio calculation logic supporting thousands of concurrent users for BursaMarketPlace. Integrated Thomson Reuters API for live market data sync and optimized database performance for real-time financial processing.

PHP MySQL Thomson Reuters API Financial Systems Performance Optimization

Laravel Specialist

Bounx Sports

Jan 2015 - Apr 2017 (2 years 3 months)

Built Laravel-based REST APIs and MySQL backends for sports scheduling platforms. Improved API performance via caching, pagination, and query optimization, and debugged production systems in Symfony and CakePHP.

PHP Laravel MySQL REST APIs Caching Pagination Symfony CakePHP