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Senior PHP Developer with Symfony (f/m/x)
  • Katowice
Senior PHP Developer with Symfony (f/m/x)
Katowice, Katowice, Silesian Voivodeship, Polska
Sii Sp. z o.o.
13. 3. 2026
Informacje o stanowisku

technologies-expected :


  • PHP
  • Symfony
  • MySQL
  • Elasticsearch
  • API
  • MongoDB
  • Asynchronous communication
  • queueing software

technologies-optional :


  • Laravel
  • Golang

about-project :


  • The eCommerce Competency Center ​​offers efficient B2C and B2B e-commerce solutions, providing services including audits and consulting, development and implementation, as well as support and maintenance of existing systems.
  • Now, we are looking for an experienced PHP Developer to join a project focusing on the development of a marketplace dedicated to the HoReCa sector.

responsibilities :


  • Design, develop, and maintain backend services for a large-scale eCommerce marketplace platform
  • Build and extend microservices primarily based on PHP and Symfony
  • Develop and maintain service communication mechanisms, including building APIs for synchronous interactions and implementing asynchronous event-driven communication using tools such as Kafka and Pub/Sub
  • Work with various data storage and query engines such as MySQL, Elasticsearch, and MongoDB
  • Contribute to improving system performance, scalability, and reliability
  • Collaborate with cross-functional teams, including product managers, QA engineers, and DevOps
  • Support monitoring, troubleshooting, and observability using tools such as Prometheus, Grafana, and Kibana
  • Participate in architectural discussions and contribute to technical decisions
  • Work in an agile environment and actively participate in code reviews and knowledge sharing

requirements-expected :


  • At least 5 years of experience as a PHP Developer in commercial projects
  • Strong knowledge of PHP and the Symfony framework
  • Good understanding of microservices architecture and backend system design
  • Practical experience working with MySQL databases
  • Experience with REST APIs and service-to-service communication
  • Familiarity with event-driven architecture and messaging systems such as Kafka
  • Understanding of monitoring and observability practices (e.g., Prometheus, Grafana, Kibana)
  • Experience working in Agile/Scrum teams
  • Good communication skills and the ability to work in an international environment
  • Residing in Poland required

offered :


  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

  • Praca Katowice
  • Katowice - Oferty pracy w okolicznych lokalizacjach


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