Oleksandr Kalashnikov
Oleksandr Kalashnikov

Senior Full Stack AI Engineer

Actively looking · Member since 9 Sep 2026
Message
Location
Calgary, Canada
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Senior

About

Professional summary

Senior Full Stack AI Engineer with 7+ years of experience
building scalable web applications, cloud-native
platforms, and AI-powered products. Experienced in
Python, TypeScript, React, Next.js, AWS, Kubernetes, and
modern AI technologies, with a strong track record of
delivering production systems from architecture and
development through deployment and operations.

Skills

41 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Senior Full Stack AI Engineer Zendata

Designed and delivered AI-powered platforms that integrated multiple LLM providers and agent-based workflows. Developed RAG systems, vector-search architectures, and model-evaluation pipelines for production AI workloads.

Built high-performance backend services using Python, Rust, Java, C#, and C. Developed enterprise React and Next.js applications with TypeScript, reusable component libraries, REST and GraphQL integrations, and accessible responsive interfaces.

Deployed cloud-native systems with Kubernetes, Docker, AWS, Azure, and Terraform. Led architecture, development, deployment, and operational support, while implementing Jest and Cypress testing and improving page-load performance by 40% through bundle optimization, lazy loading, and code splitting.

Senior Full Stack Engineer Coda

Led the design and development of a cloud-native SaaS platform serving more than 50,000 active users. Architected Rust backend services using Axum and Tokio, reducing API latency by 45% compared with the prior Node.js implementation.

Built event-driven microservices with Kafka and PostgreSQL to process millions of daily transactions. Developed customer-facing applications with React, Next.js, and TypeScript, and designed RESTful APIs and database architectures for high-volume transactional workloads.

Created CI/CD pipelines with GitHub Actions, Docker, and Kubernetes, reducing deployment time from hours to minutes. Partnered with product, design, and engineering teams to define technical roadmaps and deliver business-critical features.

Education

Learning history

Lutsk National Technical University

Bachelor's / Master's Degree, Computer Science and Data Structure

University of West Florida

Bachelor's Degree, Artificial Intelligence

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