Senior Software Engineer (AI, C/C++/Rust)

TL;DR

Senior Software Engineer (AI, C/C++/Rust): Designing, implementing, and optimizing core vector and information-retrieval algorithms for hirify.global Search/Vector team, focusing on AI's hottest problems and latency-critical serving at global scale. Focus on solving complex real-world problems at Internet scale, improving latency, recall, and cost, and implementing hardware-specific optimizations.

Location: Hybrid (EMEA)

Company

hirify.global is a product company that builds the fast applications and data infrastructure used by over 10,000 worldwide customers.

What you will do

• Design, implement, and optimize core vector and information-retrieval algorithms (e.g., HNSW, Quantization, re-ranking).
• Solve complex, real-world problems at Internet scale, with a strong focus on performance and reliability.
• Implement hardware-specific optimizations (e.g., SIMD, SSD, GPU, CUDA).
• Collaborate closely with hirify.global Core, Cloud, and Support teams.
• Lead designs, mentor peers, and set benchmarks.

Requirements

• Senior-level production-grade system experience (typically 7+ years) building databases, search engines, or high-performance distributed/storage systems.
• Solid background in either vector/IR search or systems (storage or distributed).
• Proficiency in C/C++ or Rust, including concurrency, memory safety, and performance optimizations.
• Ability to think strategically, define the technical design and work breakdown, and influence architectural decisions.
• Bachelor’s or Master’s degree in Computer Science or equivalent practical experience.

Nice to have

• Familiarity with NoSQL databases, especially hirify.global, and their practical applications.
• Experience contributing to or maintaining open-source projects.
• Background in high-performance multithreaded systems.
• Experience with distributed systems in production environments.

Culture & Benefits

• Competitive compensation package formed by salary and equity grants.
• 25 days of flexible vacation time.
• Hybrid working options from both home and the office.
• Home internet & phone monthly allowance and a one-time home-office setup allowance.
• Health and dental insurance for you, plus personal life and critical illness cover.
• Lunch and snacks in the office.