Software Engineer (C++)

HybridSalary not specified
Kraków, Poland

Tech Stack

JSONLinuxHTTPC++SQL

Job Description, Responsibilities & Requirements

About the Position

Software Engineer (C++)

Passionate about modern C++ and complex systems? Join Keepit’s mission to secure the digital world and shape the future of global cloud backup.


Responsibilities

  • Design and implement end-to-end features
  • Participate in all phases of the software development lifecycle
  • Collaborate with Support to troubleshoot issues and deliver timely fixes
  • Work with Operations to drive performance improvements
  • Identify technical gaps and drive effective solutions

Requirements

  • 3+ years of experience in backend software development
  • Strong proficiency in C++ with hands-on experience using modern standards (C++11/14/17/20)
  • Experience developing on Linux systems
  • Solid understanding of SQL and working with relational databases
  • Good understanding of HTTP, RESTful APIs, and data formats such as JSON and XML
  • Experience writing and maintaining automated tests
  • Familiarity with Java is a plus
  • Strong communication skills and ability to collaborate effectively within a team
  • Team-oriented mindset with a proactive approach to problem-solving

We Offer

  • Official employment – Umowa o pracę contract
  • Creative tax (KUP 50)*
  • 4 additional working days of vacation leave per full calendar year
  • 3 days of internal sick leave without a doctor’s note
  • Health and Life Insurance
  • Employee Capital Plan (PPK)
  • Multisport card compensation
  • Coverage of professional training sessions, meetups, etc.
  • English-speaking club with native speakers
  • Polish language classes
  • Internet and Glasses reimbursement
  • Cosy office in Krakow city centre (Długa, 72) with beverages, fruit, and cookies
  • Winter and summer parties, events, team-buildings

We kindly ask you not to provide us with any sensitive categories of personal data when applying for a job with us. When applying for the vacancy, Keepit will process your personal data, and therefore we recommend that you also read our privacy policy, which describes our processing of personal data and your rights as a data subject.

If you notice any misconduct or irregularities that fall within the scope of our whistleblowing procedure, please click here to report them.


About the Company

Our platform provides customers with an immutable, historical archive of their data in systems such as Microsoft 365, Google Workspace, Salesforce, Entra ID, Dynamics 365, and Zendesk.

We protect our customers against everything, from ransomware to simple accidents.

We pride ourselves on backing up hundreds of petabytes of data in a performant, reliable, and predictable way.

As we collaborate across locations, English is our primary language. Please submit your CV in English to support the review process.


Contact

Khrystyna Kulyk

Talent Acquisition Specialist – People and Culture

Job Details

Company name:
Keepit
Location:
Kraków, Poland
Employment Type:
Full-time
Work Mode:
Hybrid
Posted on TheJob:
Jul 27, 2026
Last checked:
Aug 12, 2026
Posted on the source:
Jul 22, 2026
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