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Oleksandr Starnikov

Technical architect

A cloud architect with a decade of experience building advanced B2B solutions end-to-end. An expert at data engineering and web application development. Currently operating as an independent contractor, providing remote software architecture and engineering services, while remaining open to long-term contracts and on-site engagements.

Portrait of Oleksandr Starnikov

Career

Technical lead/architect, Rio AI

2021 - present

  • Developed an AI-powered data analysis assistant using AWS Bedrock AgentCore and real-time HTTP streaming
  • Coordinated the migration from Snowflake to Redshift, addressing architectural flaws and improving data quality and trust in reporting
  • Implemented AI-driven remediation workflows that automatically diagnose and resolve runtime errors
  • Led a major product redesign using Material design and AG Charts with focus on visual excellence
  • Migrated 50+ repositories from Bitbucket to GitHub and consolidated core services into a monorepo to streamline CI/CD and code sharing.

Full-stack developer, Rio AI

2019 - 2021

  • Designed database schemas and ETL pipelines that supported complex business requirements across Amazon Aurora, Snowflake, and Amazon Athena
  • Built charts and dashboards using QuickSight

Node.js developer, SoftServe

2018 - 2019

  • Managed Terraform-based AWS infrastructure including SQS, DynamoDB, EC2, and S3
  • Increased automated test coverage to 90%
  • Developed REST APIs and accompanying Open API documentation

Frontend developer, SoftServe

2017 - 2018

  • Mentored three junior frontend developers
  • Extended the platform with offline data processing and reactive visualisations using TypeScript, React and Highcharts
  • Implemented pixel-perfect user interfaces based on Figma designs

Junior full-stack developer, Icecat.biz

2016 - 2017

  • Developed an isomorphic JavaScript application for an e-commerce platform

Education

Ukrainian State University

  • Bachelor of Philosophy
  • Thesis: “Hyperreality in the Works of Jean Baudrillard”

Certifications and Courses

  • AWS Certified Solutions Architect Professional 2023 - 2024 - Demonstrated expertise in designing reliable, secure, high-performing, and cost-efficient cloud architectures on AWS
  • HowProgrammingWorks, Kyiv Polytechnic Institute 2017 - 2018 - Got fundamental knowledge about Node.js internals and invaluable DIY experience in writing efficient servers
  • Brain Academy – 2015 - 2016 - Full stack development course

Skills

  • Technical leadership in software projects
  • Efficient communication on technical topics
  • Amazon Web Services
  • SQL databases (MySQL, PostgreSQL, Redshift, Snowflake, PrestoSQL)
  • NoSQL databases (Neo4j, MongoDB, DynamoDB, Redis)
  • Business intelligence tools (QuickSight, Power BI, Excel)
  • Data engineering (data modeling, ETL, data warehousing)
  • Full-stack development (Node.js, React, TypeScript, Next.js, GraphQL, RESTful, WebSocket)
  • DevOps (CI/CD, GitHub Actions, Docker, ECS, Jenkins, BitBucket, Terraform, CloudFormation)
  • Serverless computing

Hobbies

  • Vinyl record collecting
  • Travelling
  • Contemporary philosophy
  • English literature of the 20th century
  • Arthouse films

Languages

  • Ukrainian — native
  • English — fluent
  • Russian — fluent
  • Dutch — intermediate

Work preferences

Notice period

Available to start within one to two weeks

Employment type

Providing services on an hourly basis. Please contact me using the contacts below to discuss your project and engagement requirements.

Where

  • Digital products
  • Startups
  • Agencies
  • Enterprise