krisnikolaeva

Qa Automation Engineer

Senior SDET with 10+ years of experience building automated testing infrastructure for distributed backend systems, including 4+ years in blockchain and crypto. Designed automation frameworks from scratch, owned CI/CD pipelines, performance testing, and quality strategy for high-load blockchain infrastructure. Experienced technical leader managing QA automation teams while remaining hands-on with Python development and system architecture.





Experience: 11 years

Yearly salary: $62,000

Hourly rate: $25

Nationality: 🌏 Remote

Residency: 🇪🇸 Spain


Experience

SDET / QA Automation
Neon Labs
2022 - 2026
Owned test automation and quality strategy for core blockchain infrastructure. Tested backend services and APIs, including performance testing under high-load conditions. Tested real third-party applications (e.g. Uniswap, Compound, Curve) running on our network to validate compatibility end-to-end. Owned release validation, ensuring stable deployments across the platform. Built CI/CD pipelines from scratch, enabling fully automated testing and deployment workflows.
QA Engineer
Actimind
2021 - 2022
Automated UI testing for the device-management web app. Tested the REST API for each device model’s own interface. Contributed to test documentation — test design for new functionality and test case creation.
QA Engineer / DevOps
Nexign
2015 - 2021
Built the team’s backend test automation framework from scratch, and owned functional/end-to-end testing across the platform. Automated UI testing for the web part of the products. Owned CI/CD for the team’s products end-to-end — built pipelines and installers from scratch, and automated provisioning. Tested message queues and performed extensive data validation alongside REST API testing. Ran performance/load testing across the platform.

Skills

blockchain
ci-cd
docker
ethereum
solana
python
english
russian