About the role

Senior Backend Engineer building distributed C/C++ vector databases for VAST Data’s AI infrastructure. Optimizing high-throughput, real-time analytics across massively scalable data systems.

Responsibilities

Architect and implement core backend components for a distributed vector database using C/C++
Design highly scalable distributed data-structures and algorithms optimized for performance, concurrency, and fault tolerance
Develop backend services enabling fast search, efficient indexing, and real-time analytics over massive datasets
Optimize system performance across multi-threaded and multi-node environments
Ensure low-latency, high-throughput data access and manipulation across global deployments
Collaborate closely with cross-functional teams to translate backend capabilities into real-world impact
Help build the engine behind the next generation of scalable, AI-native data infrastructure

5+ years of experience in backend engineering
Strong proficiency in low-level C and C++
Hands-on experience designing and building distributed backend systems or infrastructure at scale
Experience with distributed data-structures, algorithms and system reliability patterns
Expertise in multi-threaded programming, memory management, and performance tuning
Proven track record of backend work on high-throughput databases, vector stores, or real-time processing engines
Bachelor’s degree in Computer Science, Engineering, or equivalent experience
Nice to have: Experience building or optimizing analytical or vector databases
Nice to have: Familiarity with query engine internals, indexing techniques, or storage layer optimizations
Nice to have: Knowledge of Python or Java for integration or tooling
Nice to have: Bachelor's, Master’s or PhD in a related technical field (distributed systems, backend architecture, database internals)