PHP Developer (Integrations)

We are looking for a PHP Developer (integrations) with deep technical expertise and a strong background in building scalable, high-performance systems. In this role, you will develop and optimise integrations and back-end solutions, contribute to the overall architecture and efficiency of Unipesa’s fintech platforms.

Role Purpose: The primary focus of this role is to design and implement API and redirect integrations with various payment providers, improve system performance, and ensure best practices across Unipesa’s codebase.

Key Responsibilities

• Develop payment API integrations, optimise PHP code and database queries

• Build and maintain scalable architectures to support high transaction volumes

• Refactor and modernise legacy integrations, ensuring maintainability and performance

• Collaborate with Business Analysts, QA Engineers, and DevOps to ensure reliable product delivery

• Participate in architectural planning and implementation of new system components

• Review code, enforce development standards, and mentor junior developers

• Contribute to continuous improvement of development processes and automation

Tech Stack

PHP 7+, Native PHP, Laravel MySQL, Redis Docker Kafka, RabbitMQ are a plus

Ideal Candidate

• 5+ years of commercial back-end development experience

• Advanced knowledge of PHP and modern frameworks (Laravel preferred)

• Strong understanding of software architecture, scalability, and system design

• Proven experience with RESTful APIs, JSON, and third-party integrations

• Deep understanding of relational and non-relational data storage (MySQL, Redis, etc.)

• Solid experience in debugging, profiling, and performance tuning

• Passion for clean, maintainable, and testable code

• Speaks Russian and English (A2)

Nice to Have

• Experience with development automation (templating, CI/CD, AI-assisted coding)

• JavaScript, Vue.js (Inertia.js is a plus)

• Knowledge of message queues (Kafka, RabbitMQ)

• Familiarity with columnar databases (ClickHouse)

• IT Security fundamentals

• Experience with GoLang or microservice-based architectures

• Background in fintech, billing systems, or payment integrations

• Broad IT background and curiosity for emerging technologies

What’s in it for you?

• Technical ownership and opportunity to influence system architecture

• A product-focused environment with real impact in fintech and payments

• Flexible schedule and full-time remote work