Santosh Mhargude
Senior Backend Engineer with 10+ years of experience building scalable, high-performance backend systems and APIs for enterprise and fintech applications
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About
Senior Backend Engineer with 10+ years of experience building scalable, high-performance backend systems and APIs for enterprise and fintech applications. Expertise in system design, database optimization, and modernizing legacy architectures into efficient, maintainable solutions. Proven track record of delivering secure, high-availability systems, integrating payment gateways, and processing financial data at scale.
Strong experience in leading backend architecture decisions and mentoring engineering teams.
Immediate
Joiner | Open to Senior Backend / Backend Lead Roles
Experience
Senior Backend Engineer (PHP/Laravel) - Softcell Technologies Global Pvt. Ltd. - Mumbai
(2018-03 - 2026-03)
- Architected and developed scalable backend systems using Laravel, improving application performance and maintainability
- Designed and implemented REST APIs for web and mobile platforms, ensuring high availability and low latency
- Led end-to-end system design including database schema, API contracts, and application structure
- Refactored legacy PHP applications into modular and optimized systems, reducing technical debt significantly
- Optimized complex database queries and indexing strategies, improving response time by up to 40%
- Implemented caching strategies using Memcached, reducing database load and improving throughput
- Integrated multiple payment gateways with secure transaction workflows and webhook-based processing
- Built cron-based reconciliation systems for financial transactions ensuring accuracy and reliability
- Developed stock market automation systems integrating Zerodha APIs for real-time and batch processing
- Implemented enterprise-grade authentication systems using LDAP and RADIUS
- Mentored junior developers, conducted code reviews, and enforced coding best practices
PHP Developer - Vibgyor High International School
(2016-08 - 2018-03)
- Developed large-scale CMS and ERP-integrated platforms for educational systems
- Built admin dashboards, CRM modules, and reporting tools for operational efficiency
- Integrated third-party APIs including ERP/SAP systems
- Collaborated with cross-functional teams to deliver features on time
Education
Master of Computer Applications - MCA - Solapur University (2015)
