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Senior PHP Developer with Symfony (f/m/x)
  • Piła
Senior PHP Developer with Symfony (f/m/x)
Piła, Piła, Greater Poland Voivodeship, Polska
Sii Sp. z o.o.
14. 3. 2026
Informacje o stanowisku

Senior PHP Developer with Symfony (f/m/x)

Miejsce pracy: Piła

Technologies we use

Expected

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

Optional

  • Laravel
  • Golang

About the 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.

Your 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

Our requirements

  • 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

Optional

  • Basic knowledge of Golang and the Gin framework
  • Familiarity with the Laravel framework
  • Experience working on high-traffic eCommerce platforms or marketplaces

What we offer

  • 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

Recruitment stages

  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

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