Senior Software Engineer (C/C++)

TL;DR

Senior Software Engineer (C/C++): Building and optimizing the hirify.global Flex hybrid storage engine with an accent on seamless RAM and Flash integration. Focus on solving deep system challenges such as data placement, eviction policies, and consistency across storage tiers.

Location: Hybrid (Sofia, Bulgaria)

Company

hirify.global provides high-performance data store and caching solutions used by over 10,000 customers worldwide to build fast applications.

What you will do

• Design, develop, and optimize core components of the hirify.global Flex hybrid storage engine.
• Implement high-performance solutions across hirify.global Core and the flash storage layer (Speedb).
• Solve complex system challenges involving data placement, eviction policies, persistence, and consistency.
• Write efficient, reliable, and maintainable C/C++ code for Linux environments.
• Collaborate with global engineering teams across Core, Cloud, and Performance domains.
• Take ownership of features from architectural design through to production.

Requirements

• 5+ years of experience building production-grade systems with C/C++ on Linux.
• Strong systems programming expertise in memory management, concurrency, and performance optimization.
• Experience with storage systems, databases, or data-intensive applications.
• Ability to navigate complex trade-offs between latency, throughput, durability, and cost.
• Must be based in Sofia, Bulgaria for a hybrid work arrangement.

Nice to have

• Experience with LSM-based storage engines such as RocksDB or Speedb.
• Background in hybrid storage systems (memory + disk/flash).
• Familiarity with NoSQL databases or distributed systems.
• Experience with large-scale, high-throughput data platforms.

Culture & Benefits

• Competitive compensation package including salary and equity grants.
• 25 days of annual vacation.
• Hybrid work model with home internet and phone monthly allowances.
• One-time home-office setup allowance.
• Comprehensive health, dental, and personal life insurance, including Critical Illness Cover.
• Office perks including provided lunch, snacks, and Multisport/CoolFit cards.