PHP/Symfony Engineer – OSS Tools (with French)

We are looking for PHP/Symfony Engineer with French to join Sopra Steria Polska for a client that provides technological and operational support for a project which is providing IT services for a major French telecommunications operator since 2010.

The ToolIP project consists of several PHP/Symfony applications used by engineering teams within the OSS ecosystem. The mission involves optimization, development, integration, and technical evolution of these applications.

The position is part of a structured transition, transferring the ToolIP knowledge, backlog, and responsibilities from the Sophia-Antipolis team to a new Polish team by 2026.

Responsibilities: 

Participate in analysis, development, optimization, and integration steps for ToolIP applications.

Implement evolutions and conduct technological watch.

Develop features in PHP/Symfony and Python/Perl backend components.

Perform unit testing and contribute to technical/functional documentation.

Participating in transition phases: knowledge transfer, supervised practice, and gaining autonom

Follow‑up of the Project Committee (COPROJ)

Daily follow‑up of activities

Activity reporting to the Project Manager

Follow‑up of the topic at Altice Labs

Escalation of client/production alerts to the Project Manager

Tech Stach on the project: 

Languages: PHP, Python, Perl, Java

Frameworks: Symfony

Databases: MariaDB, PostgreSQL

DevOps tools: GitLab CI/CD

ETL: Pentaho Data Integrator

OS: Linux (Ubuntu)

Must have requirements:​

Strong PHP knowledge, including Symfony framework.

Good understanding of Python.

Experience with SQL databases (MariaDB/PostgreSQL).

Comfortable in Linux environments.

Knowledge of French at minimum B2 level

Nice to have requirements:

Knowledge of telecom OSS environments.

Experience with JIRA, Confluence (client tools)

Knowledge of Perl and Java.

Experience with GitLab CI/CD, Ansible, Docker.

What we offer:
• BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, workation
• BENEFITS (Flex): Luxmed per request, internal trainings
• DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud)

The recruitment process for this position consists of two stages:
• a short phone call with a recruiter (30 min max)
• one-hour long interview on Teams (with both general and technical questions)

Salary range:
All information about salary range and its additional components will be provided during the 1st stage of recruitment process.

At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.