Backend Developer (API / PHP 8 + MySQL)

19 Февраля 2026

Genesis Group AG

Город:

Санкт-Петербург

Занятость:

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Компания "Genesis Group AG"

????Job Opening: Backend Developer (API / PHP 8 + MySQL)

????Location: Remote

????About the Company

We are a fast-growing product company in eSIM and digital roaming for travel. Our platform helps users around the world get mobile internet without plastic SIM cards — quickly, conveniently, and at a fair price.
We build products where Backend and Frontend are connected by reliable, fast, and predictable APIs. Clear data structures, stability, and low latency are essential — everything that makes interfaces simple and convenient.

????About the Role

We’re looking for a developer who will become a bridge between Backend and Frontend. Your main goal is to understand frontend needs and provide convenient, fast, and clear REST APIs.
You will design and improve APIs, optimize SQL queries and business logic, and participate in setting up A/B tests. The role involves close collaboration with both teams, so communication skills are key.

????Responsibilities

Communicate with frontend developers and understand their needs.
Create and refactor REST APIs in PHP.
Optimize SQL queries and business logic.
Ensure correctness, speed, and stability of the API.
Validate incoming data.
Participate in A/B testing (routing, processing).
Document API behavior.

⚡Requirements

Excellent knowledge of PHP 8 and experience building REST APIs.
Experience with MySQL, including optimization.
Willingness and ability to collaborate with other developers.
Ability to understand and improve existing code.
Attention to data structure, performance, and usability.

????What We Offer

Fully remote work and fast decision-making without bureaucracy.
Direct product impact: your APIs power interfaces and experiments.
Close collaboration with backend, frontend, and product teams.
Growth opportunities toward designing high-load APIs and performance optimization.

Apply now and join us on the journey to redefine connectivity!

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