Senior PHP Backend Developer (Symfony)

InTTrust is a trusted Technology and Digital Solutions provider creating value for customers encompassing IT Consulting and Implementation services Database Operation Administration and Optimization services IT Managed Services Cloud Governance & Security services. We are experts on Digital Transformation Solutions Custom Applications Development & Application Modernization IoT and ML/AI solutions Design and Implementation of Private/Public/Hybrid Cloud solutions together with Multi-Cloud Integration.

We are seeking to hire a Senior PHP Backend Developer with strong Symfony expertise to join a team that works directly on-site at our key customers premises within the dynamic and critical energy sector. Youll be responsible for developing and delivering robust high-quality backend services coordinating with frontend and other technical teams to ensure our customers core systems are performant and reliable.

Design develop and maintain high-quality backend services and APIs using Symfony.

Write clean well-documented and efficient code.

Build and integrate asynchronous message handling and webhook-based workflows.

Collaborate with cross-functional teams to define design and ship new features.

Participate in all phases of the development lifecycle.

Ensure the performance quality and responsiveness of applications.

Excellent knowledge of PHP 8.2 with significant experience in Symfony (5.x / 6.x). Having implemented at least two production projects with Symfony.

Proven experience with Doctrine ORM 2 entities repositories DQL associations and migrations.

Hands-on experience with Symfony Messenger for asynchronous message handling.

Experience designing and implementing webhook handling.

Proven experience with MySQL schema design migrations indexing and basic query optimization.

Strong understanding of Object-Oriented Programming (OOP) principles and common design patterns.

Experience in designing and consuming RESTful APIs.

Testing discipline with PHPUnit or Pest (Feature Unit tests).

Proficiency with Git and conventional commits.

Familiarity with CI/CD pipelines.

Working knowledge of Docker.

Bachelors degree in Computer Science Information Systems Engineering or related field.

A minimum of 4 years of experience developing and maintaining backend services with PHP.

Experience with cloud services (GCP preferred; AWS or Azure also welcome).

Static analysis tooling (PHPStan level 5) and code style tooling (Pint Rector).

Experience integrating with payment providers (e.g. Stripe).

Experience integrating with enterprise systems such as SAP S/4HANA or Salesforce.

Familiarity with OAuth2 / SSO across multiple providers (Apple Google Microsoft Facebook).

Familiarity with modern JavaScript frameworks such as React or Angular.

The offered salary package is competitive and will be based on the candidates experience.

Candidates should have:

Eligibility to work within the EU.

Fluency in Greek.

InTTrust S.A. is proud to be an equal opportunities workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of age race colour national origin gender sexual orientation religion disability or genetic information or any other protected classification. We are committed to ensuring that our applicants and employees are respected treated fairly and with dignity.

Required Experience:

Senior IC