Backend Developer skilled in Python, Django.
Experience
2022 — 2025
2022 — 2025
Palo Alto, California, United States
• Implemented ranking and pricing logic for high-QPS Amazon Ads and refactored it into a distributed AWS architecture to improve scalability, reduce coupling, and enable reliable CI/CD.
• Ran continuous A/B experiments with data scientists, improving price accuracy and fairness and contributing to $40M+ in ARR.
• Owned Prime Day and Black Friday auction pricing initiatives, focusing on system availability and latency and achieving sub-100ms end-to-end auction times at peak traffic.
• Migrated two critical services across AWS regions and executed the rollout with no customer-visible impact using load and comparison testing.
• Built and maintained high-volume auction event logging used for analytics, experimentation, and downstream ML workflows.
• Migrated all Spark jobs in the auction system to a DMA-compliant infrastructure, ensuring regulatory and data governance requirements were met.
2019 — 2022
2019 — 2022
San Francisco Bay Area
• Implemented customer-facing features end-to-end, building backend APIs and React Native mobile application components.
• Built an email-integrated plugin that replaced a legacy support dashboard, significantly improving daily task efficiency for customer support teams.
• Refactored a monolithic backend into multiple microservices, improving scalability and developer velocity.
• Implemented Single Sign-On (SSO) integrations with external health benefit portals, enabling enterprise partnerships.
• Led GDPR compliance work across backend systems, enabling product expansion into EU markets.
• Increased automated test coverage from 80% to 95%, improving release reliability and confidence.
• Implemented analytics tracking across backend services to support product insights and experimentation.
2017 — 2019
2017 — 2019
Almaty, Kazakhstan
• Designed and implemented secure RESTful APIs, scalable database schemas and AWS infrastructure.
• Integrated payment systems into the projects(Cloud Payments, Stripe).
• Covered projects with unit tests.
• Implemented full text search using ElasticSearch.
• Integrated external services (Twilio, VoiceIt, Amazon Rekognition, OneSignal) into the projects.
Stack: Python/Django, PostgresSQL, AWS, Celery, Fabric, RabbitMQ .
Education
Kazakh-British Technical University