Production AI systems | Yerevan, Armenia

Vatche Thorossian

Senior AI/ML Engineer — LLM SystemsLLM & RAG Systems Architect | MLOps & Distributed Inference

I design and ship production-grade LLM platforms, RAG pipelines, multi-agent systems, and MLOps infrastructure at scale.

Vatche Thorossian
Senior AI/ML EngineerLLM | RAG | MLOps

Professional Summary

Systems thinking with measurable product outcomes.

Senior AI/ML Engineer with 7+ years designing and shipping production-grade LLM platforms, RAG pipelines, multi-agent systems, and MLOps infrastructure at scale. Built and owned end-to-end AI systems serving 24,000+ SKUs and 1M+ records across large-scale e-commerce, from feature engineering and model training through real-time inference and deployment.

7+Years building production systems
24k+SKUs served by AI workflows
1M+Records across analytics pipelines
3Engineering teams influenced

Operating Mode

From model idea to monitored release path.

End-to-end AI systems

Data, training, inference, deployment, monitoring.

Production architecture

Microservices, gRPC, DDD, and cloud infrastructure.

Technical leadership

Roadmaps, architecture decisions, and team alignment.

Operational ownership

Release cycles, rollback paths, and measurable outcomes.

Product impact

Systems tied to throughput, cost, speed, and stakeholder autonomy.

Selected AI Systems

Production work across LLMs, RAG, data, and MLOps.

GitHub

Experience

Runtime log of shipped systems and teams served.

March 2025 - Present

Large-scale beauty & health e-commerce

Khanoumi

AI & ML Engineer Lead
  • Architected and shipped a multi-agent reinforcement learning pricing engine across 24,000+ SKUs from scratch.
  • Reduced PDP content production time by 60% for 10,000+ product listings with an end-to-end AI content system.
  • Built a natural-language-to-SQL BI platform for 10+ non-technical stakeholders.
  • Owned Airflow, MLflow, GitLab CI/CD, Docker/Kubernetes, Terraform, and AWS release workflows.
Case detail
June 2024 - March 2025

AI research and solutions organization

ISRAN

Data Scientist & LLM Engineer
  • Cut internal knowledge retrieval turnaround by 35% across a 200+ person organization.
  • Designed domain-driven microservices for data-intensive AI workloads across 3 engineering teams.
  • Implemented MLflow and Apache Airflow lifecycle patterns for training, deployment, monitoring, and rollback.
Case detail
January 2024 - September 2024

FMCG and retail operations

Pizzaro - Golrang Industrial Group

Data Scientist & Product Manager
  • Improved inventory workflow efficiency by 30% and cut overstock incidents by 20%.
  • Increased customer engagement by 15% and marketing effectiveness by 25%.
  • Aligned 3 cross-functional teams on a prioritized backlog and accelerated delivery by 2 sprint cycles.
Case detail
March 2021 - December 2023

AI and data tools for e-commerce sellers

Selleryar

Full-Stack Python Developer & Data Scientist
  • Built analytics pipelines over 1M+ data points and reduced weekly reporting from 8 hours to under 2 hours.
  • Increased product catalog coverage by 3x and reduced data acquisition costs by 35%.
  • Boosted system throughput by 40% and reduced query latency from 900ms to 300ms.
Case detail
August 2018 - August 2020

Technology and education holding group

Omid Iranian Holding

Junior Software Engineer & UI/UX Designer
  • Built the institution's first centralized student data dashboard, cutting administrative processing time by 50%.
  • Mentored 30+ junior developers through structured programming courses.
Case detail

Languages & Technologies

The stack behind the outcomes.

AI / ML & LLMs

LangChainCrewAIOllamaRAG pipelinesMulti-agent systemsPyTorchKerasscikit-learnTransformersNLPReinforcement LearningMLflow

Data & Vector Systems

QdrantPostgreSQLMongoDBOracle SQLMicrosoft SQLPandasNumPy

Infrastructure & MLOps

DockerKubernetesApache AirflowTerraformAWS LambdaAWS S3GitLab CI/CDLinuxNginx

APIs & Architecture

FastAPIgRPCRESTMicroservicesDomain-Driven DesignClean ArchitectureOOPDesign Patterns

Core Languages

Python (expert)GoSQLBash

Education & Training

Computer science foundation with focused AI training.

Education

Azad University, Central Branch - M.Sc. Computer Science (Bioinformatics)

Azad University, Central Branch - B.Sc. Computer Science

Certifications & Training

Data Scientist & LLM Engineering - ISRANProduct Management Bootcamp - QueraDeep Learning - UdemyDesign Patterns - UdemyML, NLP, Python - Coursera / Udemy