KOTOV_

Curriculum Vitae

Andrej Kotov

PHP / Laravel Backend Developer

Backend developer with production experience in logistics systems, working across modern Laravel applications and legacy PHP codebases. I build and troubleshoot database-heavy workflows, integrations, background processes and operational tooling, with a focus on reliable behaviour, measurable results and maintainable changes in existing systems.

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Professional Experience

Experience

PHP / Laravel Backend Developer

UAB Vlantana

Klaipėda, Lithuania

Nov 2023 - Present

Backend development and production support for logistics systems combining modern Laravel applications, legacy PHP code and data-heavy operational workflows.

  • Build and maintain backend functionality across Laravel and legacy PHP applications supporting day-to-day logistics operations.
  • Investigate production incidents, trace failures across application logic, scheduled jobs, integrations and databases, and deliver root-cause fixes.
  • Optimize MySQL and Microsoft SQL Server queries using indexes, EXPLAIN, execution-plan analysis and query refactoring.
  • Implement REST integrations, scheduled and background processing, Redis-backed workflows and email / SMS notifications.
  • Maintain reporting, export and document-generation workflows for operational users.
  • Write automated tests and work with Docker, Laravel Sail, Git, code review, Sentry and production monitoring tools.

PHP / Symfony Developer

AndersenLab

Jun 2023 - Sep 2023

Backend development experience in a banking-related project using PHP and Symfony.

  • Worked with an existing Symfony codebase and database-driven application logic.
  • Implemented and maintained backend functionality.
  • Used Git-based development workflows and team collaboration practices.

PHP / Laravel Developer

CodeAcademy

Jan 2023 - Mar 2023

Practical PHP / Laravel development through an e-commerce project.

  • Built backend functionality using Laravel, Eloquent ORM and validation.
  • Worked with relational databases and application business logic.
  • Developed features from requirements through implementation using Git.

Selected Work

Selected Projects

Service Desk

Production-ready

A production-ready Laravel service desk application built as a complete backend-focused portfolio project.

  • Ticket workflow, RBAC and Policies, audit history, queued notifications and REST API authentication.
  • Jira and GitHub integrations with webhook-driven workflows.
  • Provider-neutral AI assistance with human-in-the-loop controls, automated tests, CI and production deployment.
Case study GitHub Live app

Voice Translator

v1.0.0

A production RU ↔ EN push-to-talk voice translator that evolved into a benchmark-driven speech engineering project.

  • Realtime WebSocket pipeline using Google Speech-to-Text, DeepL translation and OpenAI streaming TTS.
  • Controlled benchmark methodology comparing speech profiles using the same recordings and critical-element preservation.
  • Browser-based Engineering Lab, measured end-to-end latency, public demo safeguards and Railway deployment.
Case study GitHub Live demo

Technical Skills

Technology Stack

Backend

  • PHP 7 / 8
  • Laravel
  • Symfony
  • REST API
  • Eloquent ORM
  • Doctrine

Databases & Data

  • MySQL
  • Microsoft SQL Server
  • Redis
  • SQL optimization
  • Indexes
  • EXPLAIN
  • Database migrations

Testing & Quality

  • PHPUnit
  • Pest
  • PHPStan
  • Xdebug
  • Laravel Pint
  • CI

Infrastructure & Delivery

  • Docker
  • Laravel Sail
  • Linux
  • Git
  • GitHub
  • Gitea
  • GitHub Actions
  • Railway
  • Sentry

Integrations & Automation

  • REST integrations
  • Webhooks
  • Queues & background jobs
  • Scheduled jobs
  • Email / SMS notifications
  • PDF / Excel / Word generation

Realtime & AI

  • WebSockets
  • Google Speech-to-Text
  • DeepL
  • OpenAI API
  • Streaming TTS
  • AI / speech integrations

Education & Training

Education

CodeAcademy

PHP Programming

600-hour professional training program focused on PHP and web development.

Professional development

Backend development and production systems

Continuous practical learning through production work with Laravel, SQL, integrations, testing and system maintenance.

Languages

Languages

Russian Fluent
Lithuanian Fluent
English Intermediate
German Basic

Earlier Experience

Before Software Development

Before moving into software development, I worked in aluminium boat manufacturing as a welder and later as a production manager.

That experience developed practical problem solving, planning, responsibility, teamwork and communication skills that remain useful in software development today.

Contact

Get in Touch

Open to PHP / Laravel backend opportunities involving production systems, existing applications, integrations, legacy modernization and database-heavy workflows.

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