Senior Software Engineer (Distributed systems)

TL;DR

Senior Software Engineer (Distributed systems): Building high-performing, scalable API interfaces and queuing/storage engines with an accent on low-latency, high-availability mission-critical systems. Focus on designing distributed data pipelines, optimizing Linux kernel networking primitives like eBPF and netfilter, and collaborating with UI, connectivity, and DevOps teams on complex problems.

Location: Sofia, Bulgaria

Company

Leader in enterprise orchestration with an AI-powered platform that connects data, processes, applications, and experiences for global businesses.

What you will do

• Design and develop high-volume, low-latency applications for mission-critical systems ensuring high availability and performance.
• Contribute across all phases of the development lifecycle.
• Write well-designed, testable, efficient code.
• Evaluate and propose improvements to existing systems.
• Build API interfaces for customers and UI teams, and high-performance queuing/storage engines.

Requirements

• 5+ years of industry experience.
• Experience building and shipping large-scale, reliable, highly distributed systems.
• Systems-level programming in C, Go, Rust.
• Expertise in L2, L3, L4 networking protocols and Linux networking/security.
• Experience with Linux kernel primitives: netfilter, nftables, eBPF, tc, network namespaces.
• Experience with large-scale distributed data pipelines and public cloud (AWS/Azure/Google Cloud).
• Understanding of Kubernetes concepts, excellent debugging/optimization skills, and protocol-level knowledge.

Nice to have

• Contributions to open source projects.

Culture & Benefits

• Flexible, trust-oriented culture empowering full ownership of roles.
• Driven by innovation with team players building the company.
• Balance productivity with self-care in a vibrant, dynamic environment.
• Multitude of benefits for work and personal life.
• Recognized as top company for remote workers and fast-growing tech firm.