Ruslan Ismailov

Summary

Senior Backend Developer with 9+ years of experience building high-load systems using PHP and Laravel. Specialized in designing and optimizing RESTful APIs, migrating monolithic architectures to microservices, and establishing CI/CD pipelines. Reduced API response times by 30% through query optimization and caching, and cut deployment time by 90% by implementing GitLab CI/CD. Led a team of 12 developers on a fintech project.

Work experience

1. Senior Web Developer

   Aug. 2025 – Present

   Infinity Music

2. Senior Backend Developer

   Jul 2025 - Jul 2026

   ECOS

   • Designed and implemented RESTful APIs for core financial modules using PHP and Laravel, handling 100k+ requests per day.
   • Reduced average API response times by ~30% by optimizing complex PostgreSQL queries and implementing multi-layer Redis caching.
   • Refactored a legacy authentication service by introducing modern security protocols (e.g., OAuth 2.0), reducing technical debt and simplifying long-term maintenance.
   • Designed and implemented CI/CD pipelines from scratch using GitLab CI and Docker, reducing feature deployment time from several hours to ~10 minutes and decreasing production errors.

3. Lead PHP developer

   Jan 2023 - Jun 2025

   Pilarix

   • Led a team of 12 backend developers on a multi-currency payment processing platform, owning
   • sprint planning, code reviews, and key architectural decisions.
   • Architected and led the migration from a monolithic system to a microservices architecture using
   • Laravel and RabbitMQ, improving system fault tolerance and significantly accelerating feature
   • delivery.
   • Mentored two junior developers who progressed to mid-level within 8 months, increasing overall
   • team productivity.
   • Introduced unified coding standards (PSR) and mandatory automated testing, reducing the number
   • of urgent production hotfixes by over 40%

4. TeamLead

   Dec 2020 - Jan 2023

   QSOFT

   • Managed a backend development team of 12 engineers across 3+ projects for enterprise clients
   • fintech, owning delivery timelines and technical execution.
   • Designed and introduced a new release cycle, reducing lead time from planning to production by
   • ~20% and improving delivery predictability.
   • Architected a new backend modules (payment processing, reporting and integrations), enabling the
   • system to handle increased load (10k per day) and integrate with external systems (payment gateways
   • and third-party APIs).
   • Audited and optimized deployment processes by automating manual steps, significantly reducing the
   • risk of human error and improving release stability.

5. PHP / Laravel Developer

   Jan 2017 - Dec 2020

   Moxiq Sdn. Bhd.

   • Developed backend functionality for a high traffic social platform.
   • Optimized database schemas supporting 10K+ records.
   • Implemented Redis based background job processing for async tasks.
   • Maintained production servers ensuring performance and availability.

Skills

More about my experience with each technology is in the “Technologies” section.

Education and growth

Hobbies

Languages