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I am a Senior Full Stack Engineer with 7+ years of experience delivering scalable web applications using PHP and modern JavaScript frameworks, including React. I design, build, and maintain API-driven systems in production with a focus on performance, reliability, and clean architecture. I enjoy collaborating with cross-functional teams on complex platforms and driving continuous improvement across the full development lifecycle. I am committed to delivering high-quality, maintainable code and helping teams achieve reliable, scalable solutions.…I am a Senior Full Stack Engineer with 7+ years of experience delivering scalable web applications using PHP and modern JavaScript frameworks, including React. I design, build, and maintain API-driven systems in production with a focus on performance, reliability, and clean architecture. I enjoy collaborating with cross-functional teams on complex platforms and driving continuous improvement across the full development lifecycle. I am committed to delivering high-quality, maintainable code and helping teams achieve reliable, scalable solutions.

Mandeep Singh Sidhu

Full Stack Developer, Back-End Developer, Web Developer, +2

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I am a Senior Full Stack Engineer with 7+ years of experience delivering scalable web applications using PHP and modern JavaScript frameworks, including React. I design, build, and maintain API-driven systems in production with a focus on performance, reliability, and clean architecture. I enjoy collaborating with cross-functional teams on complex platforms and driving continuous improvement across the full development lifecycle. I am committed to delivering high-quality, maintainable code and helping teams achieve reliable, scalable solutions.…I am a Senior Full Stack Engineer with 7+ years of experience delivering scalable web applications using PHP and modern JavaScript frameworks, including React. I design, build, and maintain API-driven systems in production with a focus on performance, reliability, and clean architecture. I enjoy collaborating with cross-functional teams on complex platforms and driving continuous improvement across the full development lifecycle. I am committed to delivering high-quality, maintainable code and helping teams achieve reliable, scalable solutions.

Available to hire

I am a Senior Full Stack Engineer with 7+ years of experience delivering scalable web applications using PHP and modern JavaScript frameworks, including React. I design, build, and maintain API-driven systems in production with a focus on performance, reliability, and clean architecture. I enjoy collaborating with cross-functional teams on complex platforms and driving continuous improvement across the full development lifecycle. I am committed to delivering high-quality, maintainable code and helping teams achieve reliable, scalable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Independent Consulting & Professional Development

December 1, 2024 - Present

Delivered full-stack enhancements across web applications using PHP and modern JavaScript, improving system performance and reliability. Designed and maintained backend services and APIs to support evolving business and integration requirements. Built and managed AWS-based environments, including CI/CD pipelines and automated deployments. Identified and resolved performance bottlenecks, improving application stability in production environments. Applied structured testing and debugging practices to ensure high-quality, maintainable code. Developed websites and digital content using AI-assisted tools (ChatGPT, Canva, InVideo, OpenArt), improving content delivery efficiency and turnaround time.

PHP Developer at Up Education

August 1, 2023 - November 1, 2024

Developed and maintained backend services using PHP, supporting a large-scale production education platform. Worked with Azure cloud services including WAF, Logic Apps, Application Insights, and dashboards to support system monitoring, security, and scalable operations. Designed and enhanced REST APIs to enable seamless integration with internal and external systems. Collaborated with cross-functional teams including QA, product, and stakeholders to deliver features aligned with business requirements. Resolved production issues and optimised system performance, improving platform reliability. Contributed to testing processes (unit, integration, UAT) ensuring stable and high-quality releases.

Full Stack Developer (Backend-Focused) at Whip Around

January 1, 2022 - August 1, 2023

Built and maintained full-stack features using PHP, PostgreSQL, and React within a SaaS fleet management platform. Developed and integrated APIs with third-party systems (Geotab, Motive, Samsara), enabling real-time data workflows. Collaborated with product and engineering teams to design and deliver scalable application features. Improved system performance and data handling for high-volume operational processes. Supported production environments through debugging and continuous system improvements.

Web Developer (Backend) at Gravitate

January 1, 2021 - March 1, 2022

Developed and maintained backend services using Symfony within a multi-project environment. Implemented front end feature enhancements with React components based on client and business requirements. Supported testing and deployment processes across multiple applications. Assisted in debugging and resolving issues in production and staging environments.

Web Developer at OmniNet

January 1, 2020 - Present

Developed PHP/MySQL integrations between inventory and job management systems (SimPro, Cin7). Delivered backend logic and system integrations supporting operational workflows. With Silverstripe, implemented an email notification system to automate alerts and improve operational communication.

Software Engineer & Technical Consultant at Multiple Clients

January 1, 2009 - January 1, 2022

Delivered backend-heavy web applications across air traffic, logistics, education, and compliance-related systems. Migrated and modernised legacy PHP platforms while preserving data integrity. Advised on database design, API structure, and system scalability.