I am a Senior Software Engineer with over 10 years of experience developing robust backend systems and SaaS platforms using PHP (Laravel, Symfony, Yii, CodeIgniter) and modern JavaScript frameworks. My expertise lies in designing scalable microservices, RESTful/GraphQL APIs, and cloud-native applications built for performance and reliability. Throughout my career, I’ve led and contributed to multiple large-scale projects — from marketing and analytics platforms at Xtremepush (Ireland) to fintech and SaaS systems at Softway Solutions (India). I also co-created Faveo Helpdesk, an open-source Laravel + Vue.js platform adopted by clients in over 20 countries. I bring a strong command of AWS, CI/CD automation, Docker, and Terraform, ensuring efficient development workflows and smooth deployments. As an AWS Certified Developer, I’m passionate about writing clean, test-driven code and delivering maintainable, scalable solutions aligned with business goals. What sets me apart is my commitment to quality, clarity, and collaboration — combining deep technical expertise with a problem-solving mindset to help clients achieve long-term success.

Vijay Sebastian

I am a Senior Software Engineer with over 10 years of experience developing robust backend systems and SaaS platforms using PHP (Laravel, Symfony, Yii, CodeIgniter) and modern JavaScript frameworks. My expertise lies in designing scalable microservices, RESTful/GraphQL APIs, and cloud-native applications built for performance and reliability. Throughout my career, I’ve led and contributed to multiple large-scale projects — from marketing and analytics platforms at Xtremepush (Ireland) to fintech and SaaS systems at Softway Solutions (India). I also co-created Faveo Helpdesk, an open-source Laravel + Vue.js platform adopted by clients in over 20 countries. I bring a strong command of AWS, CI/CD automation, Docker, and Terraform, ensuring efficient development workflows and smooth deployments. As an AWS Certified Developer, I’m passionate about writing clean, test-driven code and delivering maintainable, scalable solutions aligned with business goals. What sets me apart is my commitment to quality, clarity, and collaboration — combining deep technical expertise with a problem-solving mindset to help clients achieve long-term success.

Available to hire

I am a Senior Software Engineer with over 10 years of experience developing robust backend systems and SaaS platforms using PHP (Laravel, Symfony, Yii, CodeIgniter) and modern JavaScript frameworks. My expertise lies in designing scalable microservices, RESTful/GraphQL APIs, and cloud-native applications built for performance and reliability.

Throughout my career, I’ve led and contributed to multiple large-scale projects — from marketing and analytics platforms at Xtremepush (Ireland) to fintech and SaaS systems at Softway Solutions (India). I also co-created Faveo Helpdesk, an open-source Laravel + Vue.js platform adopted by clients in over 20 countries.

I bring a strong command of AWS, CI/CD automation, Docker, and Terraform, ensuring efficient development workflows and smooth deployments. As an AWS Certified Developer, I’m passionate about writing clean, test-driven code and delivering maintainable, scalable solutions aligned with business goals.

What sets me apart is my commitment to quality, clarity, and collaboration — combining deep technical expertise with a problem-solving mindset to help clients achieve long-term success.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Work Experience

Senior Software Engineer at Xtremepush
October 1, 2024 - March 14, 2025
- Designed and implemented backend services in PHP 8 (Yii) for marketing and analytics platforms. - Applied Domain-driven Design (DDD) principles and automated testing to ensure maintainable, scalable code. - Integrated and optimized data pipelines using ClickHouse for high-performance analytical reporting. - Improved system reliability with Redis caching and AWS-based scalability strategies. Automated infrastructure provisioning with Terraform and streamlined CI/CD deployments. - Collaborated cross-functionally to deliver secure, performant features aligned with business objectives.
Senior Backend Engineer at Softway
January 15, 2018 - April 30, 2024
- Led development of SaaS and fintech platforms using PHP (Laravel, Symfony) and cloud-native services. - Designed RESTful APIs and integrated third-party payment, authentication, and compliance systems. - Managed relational and NoSQL databases — MySQL, PostgreSQL, Redis, and MongoDB ensuring scalability and optimized performance. - Applied SOLID principles and Domain-driven Design (DDD) for modular, maintainable codebases. - Built CI/CD pipelines with GitHub Actions and Docker for automated testing and deployment. - Mentored developers, led code reviews, and enforced quality standards across backend projects.
Senior Software Engineer at Ladybird Web Solutions
January 1, 2015 - January 1, 2018
- Architected and launched Faveo Helpdesk SaaS and open-source editions, adopted by clients in 20+ countries. - Co-created Faveo Helpdesk and later contributed to Faveo Invoicing, delivering modular billing and invoicing capabilities used by SMEs. - Built secure RESTful APIs for invoicing and payments, ensuring compliance with financial data handling standards. - Integrated Laravel backend with Vue.js frontend, building modular components and real-time data integrations. - Collaborated with the community on the Faveo open-source project, fixing issues, reviewing pull requests, and improving developer experience. - Enhanced performance through SQL tuning and Redis caching, reducing response times by 40%. - Mentored junior developers on Laravel best practices and contributed to feature planning and system design.

Education

B.Tech at Anna University
April 1, 2009 - May 13, 2013

Qualifications

AWS - Developer Associate
March 21, 2024 - October 31, 2026

Industry Experience

Manufacturing, Retail, Software & Internet
    paper XtremePush

    Role: Senior Software Engineer
    Tech Stack: PHP 8 • Yii • ClickHouse • MySQL • Redis • AWS (EC2, S3, Lambda, SQS) • Docker • Terraform • CI/CD

    🧩 Description

    Xtremepush is a customer engagement and analytics SaaS platform that delivers personalized messaging across web, mobile, and email channels. I worked on backend microservices, data processing pipelines, and cloud automation to support large-scale, real-time analytics for enterprise clients.

    ⚙️ Key Contributions

    Designed and implemented backend services in PHP 8 (Yii) following Domain-Driven Design (DDD) principles.

    Built and optimized RESTful APIs for analytics, user segmentation, and event tracking.

    Developed high-performance data pipelines using ClickHouse for real-time analytics.

    Improved system reliability with Redis caching and AWS-based scalability strategies.

    Automated infrastructure provisioning with Terraform and built CI/CD workflows for deployments.

    Enhanced monitoring and alerting systems to ensure uptime and fast incident response.

    Collaborated with frontend, data, and DevOps teams in an Agile environment to deliver new platform capabilities.

    paper Alonti.com

    Role: Senior Backend Engineer
    Tech Stack: Laravel • PHP 8 • MySQL • Redis • AWS (EC2, S3, RDS) • Docker • RESTful APIs • GitHub Actions

    🧩 Description

    Alonti.com is a corporate catering and online ordering platform serving enterprise clients and large-scale events. I contributed to modernizing the backend architecture, optimizing APIs, and streamlining order workflows to ensure a smooth, scalable, and reliable user experience.

    ⚙️ Key Contributions

    Refactored existing monolithic PHP codebase into modular Laravel services, enhancing maintainability.

    Developed and optimized RESTful APIs for order creation, menu management, and delivery scheduling.

    Implemented Redis caching and queues to handle large concurrent order traffic efficiently.

    Automated deployment and testing using Docker and GitHub Actions, improving release speed.

    Integrated AWS S3 for image storage and optimized data flow for dynamic menu content.

    Enhanced database queries and indexing, reducing order processing latency by 30%.

    Collaborated with frontend and operations teams to ensure seamless end-to-end performance.

    paper eSigns.com

    Custom signage e-commerce platform modernized using Laravel microservices.
    Improved scalability, automated deployments, and developed high-performance APIs for order processing.

    Role: Senior Backend Engineer
    Tech Stack: Laravel • PHP 8 • MySQL • Redis • AWS (EC2, S3, RDS) • Docker • GitHub Actions

    🧩 Description

    eSigns.com is a large-scale e-commerce platform for personalized signage and print solutions. I worked on refactoring legacy PHP systems into Laravel microservices, improving system performance, and enabling continuous delivery.

    ⚙️ Key Contributions

    Migrated legacy PHP codebase to Laravel microservices for modular and maintainable architecture.

    Built RESTful APIs for order processing, payments, and asset management.

    Implemented Redis job queues for real-time order updates and notifications.

    Automated CI/CD pipelines using GitHub Actions and Docker, reducing deployment time by 60%.

    Integrated AWS S3 for media storage and optimized large file handling.

    Enhanced database queries and normalization to handle high product volumes efficiently.

    paper Faveo Helpdesk

    Role: Senior Software Engineer
    Tech Stack: Laravel, Vue.js, MySQL, Redis, RESTful APIs, AWS, Docker

    Faveo Helpdesk is a modular, open-source ticketing and customer support platform built with Laravel. It powers both SaaS and self-hosted editions, serving SMEs and enterprises across 20+ countries. I played a key role in architecting, developing, and optimizing core backend services and integrations.

    Key Contributions:

    • Designed and implemented RESTful APIs for ticketing, automation, and reporting modules.
    • Integrated the Laravel backend with Vue.js frontend to deliver a responsive and real-time user experience.
    • Optimized database performance using SQL tuning, Redis caching, and asynchronous job queues, improving response times by 40%.
    • Developed modular components for Faveo Invoicing, enabling seamless billing and subscription management.
    • Implemented role-based access control, audit logging, and API authentication mechanisms for secure operations.
    • Contributed to the open-source community by reviewing pull requests, resolving issues, and enhancing developer documentation.
    • Deployed and maintained the SaaS infrastructure using AWS EC2, S3, RDS, and Docker, ensuring scalability and uptime.

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