Senior PHP Developer (SaaS)

Quick Facts

• Role: Senior PHP Developer (SaaS)

Description

Build and maintain a PHP-based SaaS platform for loyalty and gamification. You will add features, fix bugs, ensure REST API quality, and drive scalability and performance through stress testing and optimization. Deliver well-tested, well-architected improvements while collaborating with frontend teams and QA, and maintain technical documentation.

Responsibilities

• Develop product features and fix bugs

• Ensure high quality of the REST API

• Improve scalability and performance; run stress tests

• Write unit and integration tests (including API/contract tests)

• Maintain and evolve application architecture; update dependencies

• Collaborate with frontend teams on REST API integration

• Maintain technical documentation

• Actively support product quality by creating, maintaining, and executing tests and collaborating with QA on best testing practices

Requirements

• Proven commercial experience creating PHP apps

• Good knowledge of Symfony 7 (and newer versions)

• Experience developing REST APIs

• Experience with Domain-Driven Design (DDD)

• Good knowledge of relational databases (especially PostgreSQL) and ability to optimize SQL queries

• Ability to use AI in everyday work (e.g., code review, generating code snippets, analyzing code)

• Ability to independently propose technical improvements and solutions

• Experience streamlining processes through automation

• Strong quality mindset; testing is part of development

• Oversight of application performance engineering to meet performance standards

• Knowledge of OOP and PSR standards, and SOLID principles

• Experience with Docker and Docker Compose

• Experience with Git

• Ability to perform code reviews

• Good English skills (at least B1) and fluent Polish (C2)

Benefits

• Premium business support package, including private healthcare and wellness programs

• Fully remote within the EEA

• Work for a successful, fast-growing SaaS serving global enterprise clients