Backend Systems Engineer PHP Laravel GOLang

Ravi K Gupta

Backend Systems Engineer · Multi-Tenant SaaS Architecture

Delhi, India ***.*********@*****.***

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Summary

Backend Engineer with over 11 years of experience (since 2014) specializing in Laravel and Go. Expert in designing high- availability multi-tenant SaaS architectures, optimizing complex data models, and building predictable API systems. Focused on stability, performance tuning, and long-term maintainability. Technical Skills

Languages & Frameworks: PHP (Laravel, CodeIgniter), Go (Fiber), Node.js, JavaScript/TypeScript. Backend Architecture: System Design, Multi-tenant Isolation (Shared/Isolated), Horizontal Scaling, Background Processing Pipelines, API Versioning.

Data & Search: MySQL, PostgreSQL (Performance Tuning/Indexing), Redis, Algolia, Meilisearch, Elasticsearch. Cloud & DevOps: AWS (S3, EC2, RDS), DigitalOcean, Vercel, Docker, GitHub Actions (CI/CD), Observability. Frontend: Vue.js, Next.js, React Native (Expo).

Professional Experience

Waggingtail Technology Limited Senior Software Engineer Oct 2018 - Present Lead backend architecture for multiple SaaS products including Genexr Analytics, Fonefix, and Planolitix. Implemented robust multi-tenant isolation strategies to ensure data security and performance across diverse client bases.

Reduced API latency and heavy reporting query times through strategic indexing, query rewrites, and Redis caching. Architected background worker pipelines for scheduled reports, aggregations, and third-party integrations. Managed deployments across AWS, DigitalOcean, and Vercel using automated GitHub CI/CD pipelines. Infoicon Technologies Senior Programmer Jun 2015 - Oct 2018 Developed maintainable REST APIs and backend modules for high-traffic client applications. Optimized SQL schemas and queries to maintain system responsiveness during data-heavy operations. Integrated diverse third-party APIs and managed scheduled background tasks for periodic data processing. Webzesty Pvt Ltd Sr. Web Developer Apr 2014 - Jun 2015 Built full-stack applications using Laravel, CodeIgniter, and Vue.js. Designed MySQL schemas and developed RESTful endpoints for seamless frontend integration. SunHill Systems Pvt Ltd Web Developer Aug 2013 - Apr 2014 Maintained server-side features and contributed to application architecture under senior mentorship. Featured Projects

Genexr Analytics Senior Backend Engineer

A multi-tenant analytics platform providing real-time dashboards and reporting for SaaS products. Built using Go (Fiber) and PostgreSQL; designed a custom event/metrics model for high-speed writes and reads. AttendAssist Independent Developer

Attendance management mobile app focused on streamlined check-in/out workflows for teams. Tech: React Native (Expo), Mobile-first API design, and automated CI/CD. Education

Bachelor of Technology (B.Tech.) Uttar Pradesh Technical University 2008 - 2012 Languages

English: Full Professional Proficiency

Hindi: Native Proficiency

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