Alexander Shestakov
Backend Engineer at onsa.ai
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolAlexander Shestakov is a backend engineer with nine years of experience who blends a hands-on transition from B2B customer service into designing and operating resilient backend infrastructure. He currently owns core platform and integrations at onsa.ai, building scalable Node.js/TypeScript APIs, managing GCP (GKE, Cloud SQL, Cloud Storage) with Terraform, and orchestrating data flows via Kafka, RabbitMQ and Telegram bots. His background includes payments and edge/onboard systems for in-flight retail, CRM app development (HubSpot, Bitrix24), and integrating transcription services like AssemblyAI and Deepgram, reflecting strong practical experience across cloud, data pipeline and DevOps domains. Trained originally in radio engineering and solid-state physics with technical translation skills, he brings a systems-thinking approach that emphasizes long-term maintainability and early detection of architectural risks. Notably, he has combined frontline support leadership with backend engineering to build automated testing and CI/CD practices that scale with product evolution.
9 years of coding experience
6 years of employment as a software developer
Master of Science - MS Solid state physics, Master of Science - MS Solid state physics at Irkutsk State Railway University (IrGUPS)Bachelor's degree Technical translator, Bachelor's degree Technical translator at Irkutsk State Linguistic University
Russian, English, Spanish
Github Skills (59)
android-widget10
charts10
column-chart10
anychart10
android-development10
android-library10
android-component10
google-charts10
android-view10
android-ui10
swift10
android-studio10
line-chart10
pie-chart10
gradle10
Programming languages (5)
Github contributions (5)
Shestac92/devops-netology
Nov 2021 - Mar 2022
Contributions:44 pushes, 7 branches in 4 months
Shestac92/testingPOC
Oct 2019 - Nov 2019
Contributions:57 pushes, 11 branches in 1 month
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