Cloud Backend Engineer: Scale Data Protection

Commvault; Kraków; On-site; PLN 194,000 - 305,000; Full time

Job summary

Commvault is seeking a Software Engineer - Backend to join the Clumio backend team. You will implement features and components within our cloud-native data protection platform, working under senior engineers.

Expect to write reliable, production-ready code, participate in testing, and help operate systems at scale. The role focuses on learning, growth, and owning increasingly complex components over time, with close mentorship and code reviews to sharpen engineering fundamentals and drive

Qualifications

• Solid grounding in computer science fundamentals — data structures, algorithms, and complexity analysis.
• Proficiency in at least one modern programming language (Go, Java, Python, C++, Rust).
• Working knowledge of English.

Responsibilities

• Implement and deliver features and components within the data protection platform.
• Write tests and assist in operating and improving systems after shipping.
• Make sound implementation decisions within established design, balancing correctness and performance.

Skills

Go

Java

Python

C++

Rust

English

Tools

AWS

GCP

Azure

Job description

Commvault is seeking a Software Engineer - Backend to join the Clumio backend team. You will implement features and components within our cloud-native data protection platform, working under senior engineers.

Expect to write reliable, production-ready code, participate in testing, and help operate systems at scale. The role focuses on learning, growth, and owning increasingly complex components over time, with close mentorship and code reviews to sharpen engineering fundamentals and drive