Middle PHP Developer (Yii2) in VI-PORT, OOO

Job Middle PHP Developer

About the product
We develop iViport - a cloud and hybrid video surveillance platform for the retail and banking sector. The system scales from hundreds to tens of thousands of cameras, has a modular architecture, own DCs in the EU and Ukraine, supports hybrid deployments (on-prem + cloud) and integrations with Microsoft Active Directory and internal systems bank.
The platform is actively used in production, constantly developed and integrated with new customer systems (in particular, banking ABS/BARS and related services).
Who we are looking for
Middle PHP Developer (Yii2)

Requirements for the candidate (mandatory)

• Experience in PHP development from 4 to 5 years, of which commercial experience of working with Yii2 or similar MVC-frameworks for at least 2 years.

• Real experience of support and development of production systems, not only greenfield projects.

• Experience of working with legacy code (analysis, refactoring, phased migration without stopping service).

• Sure knowledge of OOP and design patterns.

• Experience with MySQL / Percona:

  • optimization of SQL queries;

  • indexes;

  • work with large volumes data.

• Practical experience working with REST API (design, implementation, support).

• Understanding the full cycle of software development (analysis > development > testing > support).

• Experience working with Git (branching, merging, code review).

• Linux at the level confident user.

• Responsibility, high self-organization, ability to work in a team and adequate communication.

Will be a big plus

• Experience with message queues and event architecture (RabbitMQ).

• Implementation of SSE / Webhooks / asynchronous processing.

• Experience in high-load systems (thousands of flows, tens of thousands of entities).

• Experience of integrations with bank ABS (in particular BARS), payment or financial systems.

• Understanding the requirements of banking environment:

  • stability;

  • audit;

  • backward compatibility;

  • zero-downtime updates.

• Experience with OAuth2 / SAML / Active Directory.

• Understanding refactoring / migration patterns (expand–migrate–contract, zero-downtime deploy). in the preparation of system design / ADR-documents.

Main duties

• Development ofnew modules of the iViport platform.

• Support and refinement of existing modules (including legacy).

• Analysis and reduction of technical debt.

• Step-by-step migration of modules from PHP 7.x / WordPress to Yii2 / PHP 8.2.

• Design and implementation of APIs and integrations
  (internal bank systems, ABS type BARS, external services).

• Work with RabbitMQ and asynchronous processes.

• Optimization and scaling of DB.

• Participation in development high-load parts of the system (10k+ threads, 20k+ cameras).

• Interaction with DevOps, analysts and product team.

• Participation in team meetings and task evaluation.

• Documentation of APIs, integrations and changes.

Technology stack

• Backend: PHP 8.2, Yii2, legacy PHP 7.x, separate WordPress modules

• Databases: MySQL 5.7 / 8.0, Percona

• Events and queues: RabbitMQ

• Infrastructure: Linux, Nginx

• Integrations: REST API, SSE, Webhooks, OAuth2 / SAML

• Version control: Git

Position level

Middle / Strong Middle / Middle+ PHP (Yii2)

English - sufficient at reading level documentation
Fintech experience is desirable, but not mandatory
The stack is applied, production-oriented, without a “technological zoo”

We offer
Work on a large-scale SaaS product in the field of security and banking technologies.
Participation in the development of a real production environment, not pet projects.
Influence on architecture, integrations and technical solution.
Stable office schedule 5/2.
Competitive compensation (negotiated individually).
Reservations from mobilization.

Who is interested in what the iViport service looks like and for familiarization, he can register on the website https://iviport.com.ua/, enter the account, add a camera (just fake, not necessarily working) and go through the settings and menu. Not everything will be available in this mode, but the main idea can be seen.