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Faisal Shah

@faisalshah404

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Senior backend engineer specializing in Laravel SaaS, microservices migration, and performance optimization.

Pakistan

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What I'm looking for

I’m looking to lead backend architecture for high-availability SaaS, modernize systems with microservices, and drive measurable performance improvements. I want a team that values TDD, clean APIs, secure authentication, and continuous delivery with strong engineering standards.

I’m a Senior Backend Engineer focused on building scalable Laravel/PHP SaaS platforms and migrating legacy systems to modern microservices. I deliver secure, maintainable code using TDD and Agile best practices, with an emphasis on API design and reliability.

In my recent role, I spearheaded backend architecture for globally used SaaS solutions, achieving 99.9% uptime. I optimized complex SQL and implemented Redis caching strategies—cutting page load times by 40%—while improving scalability and performance under sustained load.

I also drive engineering excellence through automated CI/CD pipelines and strong test coverage, including PHPUnit across modules. I mentor teams, lead code reviews, and build robust integrations (OAuth2/JWT and third-party REST APIs), so systems stay efficient, consistent, and easy to evolve.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Engineer

Current

CodeFlexTech

Jun 2024 - Present (2 years)

Spearheaded backend architecture for scalable Vehicle Management SaaS, delivering 99.9% uptime and improving reliability for global clients. Optimized SQL and implemented Redis caching, cutting page load times by 40%, reduced deployment time by 60% with GitHub Actions CI/CD, and led monolith-to-microservices migration with TDD and PHPUnit to improve maintainability.

Laravel PHP MySQL Redis Microservices TDD PHPUnit Query Optimization

Full Stack Developer

DevFinn

Sep 2023 - Jun 2024 (9 months)

Built and deployed full-stack MERN applications (MongoDB, Express, React, Node.js) focused on performance and scalable user experiences. Designed and documented REST APIs, implemented real-time features with Socket.io, and applied TDD with Jest to improve code reliability across Agile/Scrum delivery cycles.

NodeJS Node.Js React Express MongoDB REST APIs Socket.IO TDD Jest Agile Scrum Performance Optimization

Full Stack Developer

Suave Solution

May 2020 - Aug 2023 (3 years 3 months)

Developed and maintained high-performance e-commerce portals using Magento2 and Laravel, supporting thousands of daily users while focusing on scalability. Created TDD-based PHPUnit test suites, built pixel-perfect responsive UIs with HTML5/CSS3/JavaScript/jQuery, and supported multi-client delivery through Agile sprint work and performance optimization.