Arun Sharma
Software Engineer
Noida,UP
Work Preference
Summary
Results-oriented Senior Software Engineer III with over 10 years of experience in designing and building scalable backend applications. Expertise in backend architecture, database optimization, and REST API development. Delivered significant performance improvements and modernized systems for enhanced scalability and reliability. Skilled in AWS cloud deployments, asynchronous processing, and event-driven architectures.
Overview
10
10
years of professional experience
2
2
Languages
Work History
Senior Software Engineer III
Daxko India Technology Solutions Pvt. Ltd.
04.2023 - Current
- Optimized complex MySQL queries handling enterprise CRM datasets, reducing execution time from 101 seconds to under 1 second through indexing and query optimization.
- Refactored campaign reporting workflows, reducing SQL executions from 116,721 to 159, significantly improving report generation performance.
- Designed and developed scalable backend modules using PHP, Laravel, CodeIgniter, and MySQL.
- Developed enterprise Duplicate Detection Engine, enhancing CRM data quality by significantly reducing duplicate customer records.
- Architected and implemented queue-based communication processing using Laravel Queues, Redis, and Horizon, eliminating overlapping cron executions and improving system scalability.
- Successfully migrated legacy synchronous cron processing to an asynchronous queue-driven architecture, improving throughput, reliability, and operational visibility.
- Integrated OpenAI APIs into enterprise CRM, enabling secure customer-managed API keys and usage monitoring.
- Implemented feature-flag rollouts, facilitating safe production deployments and enabling gradual feature adoption.
- Contributed to building an event-driven backend platform using Kafka, ksqlDB, and Debezium for real-time data processing and backend modernization.
- Managed deployments and production support on AWS, including containerized workloads running on Amazon EKS, while troubleshooting Kubernetes workloads and infrastructure issues.
- Diagnosed and resolved production issues using SQL profiling, application logs, distributed tracing, and performance analysis.
- Led development of critical backend features, guiding projects from design to successful production deployment.
- Technologies: PHP, Laravel, CodeIgniter, MySQL, Redis, AWS (Amazon EKS, EC2, ElastiCache), Docker, Kubernetes, Kafka, ksqlDB, Debezium, OpenAI, Power BI, GitLab CI/CD
Senior Software Engineer
R Systems International
11.2021 - 04.2023
- Developed scalable backend applications using PHP and MySQL to support increasing user demand.
- Created REST APIs for customer-facing web applications to enhance user experience and functionality.
- Improved application performance through backend optimization and debugging.
- Collaborated with cross-functional teams to ensure timely delivery of high-quality software solutions.
- Participated in code reviews, production support, and Agile development.
Senior PHP Developer
Targeticon Digital Services Pvt. Ltd.
07.2021 - 11.2021
- Developed backend modules and REST APIs in PHP and MySQL to support application functionality.
- Enhanced application workflows and optimized database interactions to improve performance.
- Developed and maintained high-performance web applications using PHP frameworks such as Laravel and Symfony.
- Collaborated with cross-functional teams to define project requirements and deliver technical solutions.
- Implemented RESTful APIs for seamless integration with third-party services and applications.
Software Engineer
TechUgo Pvt. Ltd.
03.2016 - 07.2021
- Designed REST APIs and backend services supporting scalable web applications.
- Developed customer-facing web applications with PHP and MySQL, enhancing user experience and engagement.
- Collaborated with team of 15+ developers on diverse projects, contributing to successful project completions.
- Designed REST APIs and backend services for scalable web applications, ensuring robust performance and flexibility.
Education
Bachelor of Technology (B.Tech.) - Electronics & Communication Engineering
MGM College of Engineering & Technology
Noida, India09-2015
Skills
Backend Engineering
PHP
Java
JavaScript
SQL
MySQL
Databases
Laravel
CodeIgniter
REST APIs
Distributed Systems
Event streaming
Kafka
ksqlDB
Debezium
Laravel Queues
Laravel Horizon
Cloud & DevOps
AWS services
Docker
Kubernetes
GitLab CI/CD
Performance tuning
Database tuning
SQL tuning
Redis
Memcached
Git
Composer
Instana
Power BI
Instana
Power BI
Accomplishments
- Reduced SQL execution time from 101 seconds to under 1 second through advanced query optimization.
- Reduced campaign report SQL executions from 116,721 to 159, significantly improving reporting performance.
- Designed and implemented an enterprise Duplicate Detection Engine.
- Migrated legacy cron processing to an asynchronous queue-based architecture using Laravel Queues and Redis.
- Integrated OpenAI capabilities into an enterprise CRM platform.
- Delivered Power BI dashboards providing actionable business insights.
- Contributed to the implementation of a Kafka-based event-driven backend platform.
- Winner – Lab Days Competition.
- Recipient – Year in Review Award.
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
Every problem is a gift—without problems we would not grow.
Tony Robbins
Languages
English
Upper intermediate (B2)
Hindi
Advanced (C1)
Timeline
Senior Software Engineer III
Daxko India Technology Solutions Pvt. Ltd.
04.2023 - Current
Senior Software Engineer
R Systems International
11.2021 - 04.2023
Senior PHP Developer
Targeticon Digital Services Pvt. Ltd.
07.2021 - 11.2021
Software Engineer
TechUgo Pvt. Ltd.
03.2016 - 07.2021
Bachelor of Technology (B.Tech.) - Electronics & Communication Engineering
MGM College of Engineering & Technology