Staff Backend Engineer (AI)

Location: Remote-first, with a hybrid office presence expected in Cluj, Romania over time; also hiring in the US and Canada.

Company

hirify.global is a leading AI company born from the Stanford AI lab, focused on transforming contact centers through AI-driven insights and process automation.

What you will do

• Design, implement, and maintain backend services and APIs to support customer-facing applications.
• Build and optimize data storage solutions using Postgres, ClickHouse, and Elasticsearch for high performance.
• Collaborate with cross-functional teams, including AI and machine learning engineers, to deliver end-to-end solutions.
• Analyze and improve system architecture to resolve performance bottlenecks and ensure scalability.
• Monitor and troubleshoot performance issues within distributed systems and databases.
• Participate in code reviews, testing, and continuous integration efforts to maintain code quality.

Requirements

• Extensive experience in backend engineering with a focus on database design and system architecture.
• Proven expertise in ClickHouse or similar columnar databases for large-scale analytical queries.
• Hands-on experience with Elasticsearch for indexing and searching massive datasets.
• Proficiency in backend languages such as Python or Go.
• Deep understanding of distributed systems, microservices architecture, and cloud infrastructure.
• Strong problem-solving skills and experience with query optimization.

Culture & Benefits

• Opportunity to work with a world-class team of AI/ML experts and leaders from Google, OpenAI, and Stanford.
• Remote-first environment with a global team spanning Europe, the US, and Canada.
• Participation in building a new tech hub and engineering team in Romania.
• Competitive compensation package including base salary and equity.
• Direct impact on a product recognized by top industry analysts and used by major global brands.