Software Engineer (C++)

Keepit; Kraków; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Official employment

Health and Life Insurance

4 extra vacation days per year

3 days sick leave (without doctor note

Employee Capital Plan

Multisport card

Training & meetups

English-speaking club

Polish language classes

Internet reimbursement

Glasses reimbursement

Cosy Krakow office (Długa 72)

Team events

Job summary

Keepit is seeking a software engineer to own backend features in a modern C++ stack. You will contribute across the full software lifecycle, build robust components, and collaborate with cross-functional teams to ensure high-quality, maintainable delivery.

Ideal candidates have 3+ years in backend development, strong C++(11/14/17/20), Linux, and SQL. English is used for collaboration across locations, and the team values proactive problem solving.

Qualifications

• 3+ years of backend software development experience.
• Strong proficiency in modern C++ (C++11/14/17/20).
• Experience developing on Linux systems.
• Solid understanding of SQL and relational databases.
• Good knowledge of HTTP, RESTful APIs, JSON/XML.
• Experience writing and maintaining automated tests.

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 fixes.
• Work with Operations to drive performance improvements.
• Identify technical gaps and drive effective solutions.

Skills

Backend development

C++ (modern)

Linux

SQL/Relational DBs

HTTP/REST/JSON/XML

Automated testing

Team collaboration

Problem solving

Job description

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.

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.

You will:

• 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

About You

• 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

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, 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.

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.