Senior ML Search Engineer (Remote)

Staffxpert LLC; Oak Park (AL); On-site; USD 140,000 - 190,000; Full time

Job summary

STAFFXPERT LLC is seeking a Senior ML Search Engineer for a remote role. You will design and deploy production-grade search and AI/ML systems, build scalable Python services and RESTful/gRPC APIs, and integrate vector search technologies.

The position spans backend, frontend, ML, and cloud work across a modern tech stack including Elasticsearch/OpenSearch and React. The ideal candidate has 6+ years of software engineering experience, strong Python and React skills, and a track record of building

Qualifications

• 6+ years of professional software engineering experience.
• Strong hands-on expertise with Python and React.
• Experience developing production-grade backend or full-stack applications.
• Experience building RESTful and/or gRPC APIs.
• Experience with Docker and Kubernetes.
• Cloud-native application development with GCP preferred.
• Experience with relational and NoSQL databases.

Responsibilities

• Design, develop, and deploy production-grade search, retrieval, ranking, and AI/ML systems.
• Build scalable Python services, microservices, and RESTful/gRPC APIs.
• Develop hybrid search solutions combining keyword search, vector retrieval, semantic search, and reranking.
• Build and maintain Elasticsearch/OpenSearch indexing, query, and relevance-tuning pipelines.
• Develop ML inference capabilities using embeddings, transformer-based models, classifiers, and LLM-powered query understanding.
• Integrate vector search technologies such as FAISS, Pinecone, Weaviate, or similar platforms.
• Build responsive, production-ready React interfaces and reusable frontend components.
• Develop event-driven and real-time architectures using cloud-native services.
• Monitor and optimize search performance using metrics like CTR, zero-result rate, relevance, conversion, latency.
• Apply search analytics and experimentation to continuously improve relevance and user experience.
• Champion automated testing, CI/CD, observability, and infrastructure-as-code practices.
• Participate in architecture and design discussions; translate business requirements into scalable solutions.
• Conduct code reviews, share knowledge, and mentor junior engineers.
• Own applications and services throughout their lifecycle, including deployment, monitoring, troubleshooting, and production support.

Job description

STAFFXPERT LLC is seeking a Senior ML Search Engineer for a remote role. You will design and deploy production-grade search and AI/ML systems, build scalable Python services and RESTful/gRPC APIs, and integrate vector search technologies.

The position spans backend, frontend, ML, and cloud work across a modern tech stack including Elasticsearch/OpenSearch and React. The ideal candidate has 6+ years of software engineering experience, strong Python and React skills, and a track record of building