Senior Search Engineer (Rust) (#4761)

N-iX is looking for Senior Search engineer (Rust) to join the fast-growing team one our projects.

Our client a leading European AI company developing cutting-edge document search and indexing systems for enterprise and AI applications.Our products combine high-performance technologies, scalability, reliability, and data security, fully aligned with European regulatory and ethical standards.

As a Senior Search Engineer (Rust), you will take ownership of backend services, search and indexing pipelines, API/SDK design, and performance optimization across our document search platform.This is a senior, hands-on role, designed to be covered by 1-2 FTE split across specialists, ensuring full operational continuity and technical excellence.You will be working at the core of our Document Index Team, enabling seamless search, retrieval, and processing of large-scale document datasets.  

Responsibilities:

• Develop and maintain backend services in Rust, focusing on performance, reliability, and scalability

• Design, implement, and optimize document search and indexing pipelines using Qdrant and PostgreSQL

• Drive API and SDK design, including lifecycle management (deprecation, sunsetting, adoption)

• Lead complex architecture and data model migrations for evolving systems

• Implement software engineering best practices (TDD, DDD, resiliency patterns)

• Troubleshoot, debug, and resolve performance and reliability issues in production

• Collaborate with Infra team to deploy and manage services on Kubernetes using Helm

• Contribute to CI/CD pipelines and deployment automation (GitLab, GitHub Actions)

• Mentor junior engineers and ensure team knowledge sharing

• Maintain clear documentation for system design, operational workflows, and troubleshooting

Requirements:

• 4+ years of professional backend development experience (including Rust)

• Strong experience with search systems, vector databases (Qdrant or other), and relational databases (PostgreSQL)

• Hands-on experience with Kubernetes and Helm for deploying and scaling services

• Solid understanding of distributed systems, resiliency patterns, and scalable architecture

• Experience in API/SDK design, data modeling, and lifecycle management

• Proficient in CI/CD workflows (GitLab, GitHub Actions) and deployment automation

• Excellent debugging, profiling, and performance tuning skills

• Strong communication skills and ability to work in cross-functional teams

• Ability to independently own and operate services in a shared-responsibility model (1–2 FTE split across specialists)

• English level - at least Upper-Intermediate

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• Active tech communities with regular knowledge sharing

• Education reimbursement

• Memorable anniversary presents

• Corporate events and team buildings

• Other location-specific benefits

*not applicable for freelancers