Senior PHP Developer (Middle-Strong or Senior)

Position: Senior PHP Developer (Middle-Strong or Senior)
Location: Remote, Full-time B2B (GMT +1 — GMT +3)
English and Ukrainian (or Russian) is a must.

About the Company

Our client’s company is a SaaS platform specializing in post-purchase analytics and customer experience for e-commerce businesses. They are stable, with their legacy platform in operation, while also building a new, flexible architecture for scaling.

Role Overview

We are looking for an experienced Senior PHP Developer to help continue the development and evolution of the platform. You’ll spend 70% of your time building the new platform and 30% maintaining the legacy platform.

Responsibilities

70% — Develop the new platform (Laravel 12.1, Google Cloud Run, PostgreSQL, Pub/Sub, modular “app-store” architecture).

30% — Maintain and evolve the legacy platform (Laravel 8, PHP 7.4, Google Compute Engine, MySQL, Redis queues).

Fix bugs and prevent regressions, ensuring SLA fixes.

End-to-end development of new features.

Write unit/feature tests to cover your code.

Perform code reviews; apply DDD thinking.

Optimize performance — write critical parts in pure PHP or Symfony if needed.

Improve architecture and maintain clean code (PSR, readability).

Tech Stack

Core: PHP 8.x, Laravel 12/8, Symfony (on-demand), DDD principles.

Infra: Google Cloud Run / Compute Engine, Pub/Sub, Redis, Docker.

DB: PostgreSQL (new), MySQL 5.7 (legacy).

Integrations: Stripe/Paddle, Google Gemini, external REST/GraphQL APIs.

Tools: GitHub, ClickUp, AI assistants (Cursor, etc.).

Requirements

5+ years of professional PHP development experience.

Strong experience with Laravel 12 (or 10+); experience with writing packages and working with queues (Horizon/Queues, Google Pub/Sub).

Experience supporting projects on Laravel 8.

Familiarity with writing unit/integration tests (PHPUnit, Pest).

Solid understanding of DDD, PSR, and writing readable code.

Self-organization, responsibility, and a results-oriented approach without micromanagement.

Fluent in Russian (team language) and good working knowledge of English (for documentation and communication).

Nice-to-Have Skills

Experience with Google Cloud (Run, Pub/Sub, IAM, Monitoring/Logging).

Experience optimizing high-load projects, profiling PHP.

Familiarity with payment systems like Stripe or Paddle.

Experience with Symfony, pure PHP, or NodeJS/Go/Rust for high-performance services.

Shopify API experience.

Understanding of eCommerce basics.

NodeJS experience for performance-critical tasks.

Experience with modular architectures (app-store modules).

LLM/AI integration experience.

Performance optimization and profiling (p95/p99).

What We Offer

Fully remote work within a comfortable time zone (GMT +1 … +5 preferred).

A small, friendly team with no bureaucracy and low turnover.

21 days of paid vacation.

Direct influence on the product, transparent processes, and minimal meetings.

Collaborative planning with the founder: quick decision-making and the opportunity to propose and implement your ideas.