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C++ Developer with SQL
  • Śrem
C++ Developer with SQL
Śrem, Śrem, Greater Poland Voivodeship, Polska
Sii Sp. z o.o.
2. 10. 2025
Informacje o stanowisku

C++ Developer with SQL

Miejsce pracy: Poznań

Technologies we use

Expected

  • C++

About the project

The Embedded Competency Center is an organizational unit of Sii, that brings together almost 500 specialists. We are currently looking for a Software Engineer C++. Join an international Agile team building one of Europe’s leading payment processing platforms. Work on cutting-edge C++ solutions that handle millions of secure transactions every day.

Your responsibilities

  • Designing, configuring, and installing customer systems
  • Creating software solutions for processing electronic payments based on the Authorization and Switching software suite
  • Alignment on requirements with Product Owner, Analyst
  • Keeping technical documentation up to date
  • Designing Unit Tests and building regression tests according requirement specification
  • Sharing knowledge with other team members in own area of expertise

Our requirements

  • Strong knowledge of Modern C++17 (high-quality, standard-compliant programming)
  • At least 5 years of experience in writing unit tests using GTest
  • Hands-on practice with automated test systems based on UNIX/Bash/SQL
  • Understanding of asynchronous messaging architectures
  • Background with Oracle and PostgreSQL databases
  • Ability to work in a Dockerized Linux environment (e.g., WSL2, CentOS) for both testing and development
  • Familiarity with development tools: Visual Studio Code, Eclipse, GitLab, GCOV/Sonar, Jenkins
  • Knowledge of regression testing processes (including nightly regression tests)
  • Practical experience working within a full CI/CD process
  • Residing in Poland required

Optional

  • Experience in the banking/paytech industry

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 60M 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 7 500 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. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.

  • Praca Śrem
  • Śrem - Oferty pracy w okolicznych lokalizacjach


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