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Software Engineer (C++)

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Keepit

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Location:
Poland , Kraków

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Contract Type:
Employment contract

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Salary:

Not provided

Job Description:

Passionate about modern C++ and complex systems? Join Keepit’s mission to secure the digital world and shape the future of global cloud backup. About the role We are looking for a software engineer with solid experience in modern C++ development. The ideal candidate will take ownership of implementing assigned features and components, ensuring robust design, high-quality delivery, and long-term maintainability. You will join the Data Protection team, which focuses on building a workload that allows our customers to protect their increasing SaaS data landscape, within Microsoft solutions. A proactive approach, strong collaboration skills, and a commitment to continuous improvement are key to success in this role. About us 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, ranging from ransomware to simple accidents. The majority of our back-end components are written in clean, modern C++ using mainly purpose-built components. Components responsible for business processes and data mining are built using Common Lisp. Everything runs on Linux. We pride ourselves on backing up billions of objects over foreign APIs using imperfect networks on systems with finite memory and making it all happen 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.

Job Responsibility:

  • 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
  • Strong communication skills and ability to collaborate effectively within a team
  • Team-oriented mindset with a proactive approach to problem-solving

Nice to have:

Familiarity with Java

What 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

Additional Information:

Job Posted:
May 03, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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