Senior/Staff Software Engineer (Common Lisp)

About the Position

Senior/Staff Software Engineer (Common Lisp)

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

Responsibilities

• Lead technical design and architecture for features and services
• 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
• Maintain high quality by promoting clear documentation, strong code quality, and architectural enhancements
• Ensure system reliability, including error handling, observability, and scalability

Requirements

• Must-haves:

  • Good Common Lisp understanding
  • Experience in microservices, distributed systems, and building high-performance job scheduling systems
  • Used to working with sbcl, emacs, slime
  • Experience developing on Linux systems
  • General SQL understanding
  • Good understanding of TCP/IP, HTTP, RESTful APIs, and XML
  • Strong initiative and a proactive mindset, with a willingness to share knowledge, and support a collaborative environment
  • Strong communication skills, with the ability to work effectively in a team

• Nice-to-haves:

  • Working knowledge of git and GNU Make
  • Familiarity with C++

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, 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.

We Offer

• Locations: Kraków, Poland; L'viv, Ukraine
• Remote status: Hybrid
• Employment type: Full-time

Contact

Khrystyna Kulyk

Talent Acquisition Specialist – People and Culture