Backend Developer, 6+ years of experience

📧 aleksandr.tabolskii@gmail.com | 📞 +33 (06) 84 32 20 91 | 🌍 GMT+2
🔗 LinkedIn (alex-lovser) | 🐙 GitHub (AlexLovser)

Backend engineer with 6+ years of experience. Worked in teams of 2 to 40 people as a contributor or tech lead (on-site/remote). Masters the full development cycle from requirements gathering to deploying reliable, high-load products via automated CI/CD pipelines. Expert in building innovative services and scaling projects from scratch to flawless operation.

• Backend: Python, C, C++, Django REST Framework, FastAPI, Flask, Node.js, PostgreSQL, MongoDB, MariaDB, DynamoDB, SQLAlchemy, MySQL, Redis, RabbitMQ, Elasticsearch, Celery, Celery Beat, SciPy, NumPy, Pandas, JWT, asyncio, unit testing.
• Frontend: JavaScript, Vue.js, React.js, React Native, Next.js, Flutter, Tailwind, Redux.
• Other: CI/CD, Docker, Kubernetes, Terraform, Git, Gitlab, AWS, Linux, Shell, Nginx, Apache, Kafka, Grafana, Prometheus, Firebase, MVC, Serverless, Microservices, Figma.

09/2023 – 06/2026 (2.5+ YEARS)

• Designed 15+ RESTful payment API endpoints using Django within an active microservices architecture.
• Reduced response times under high load by 30% by optimizing PostgreSQL queries with Redis.
• Configured asynchronous processing of 10K+ background tasks and webhooks with Celery to offload the main thread.
• Maintained CI/CD pipelines via GitHub Actions and secured deployments by writing 100+ automated tests.
• Technologies: Python, Django, FastAPI, PostgreSQL, Redis, Celery, GitHub Actions, Docker, CI/CD, Pytest.

08/2022 – 09/2023 (1+ YEARS)

• Created inter-service communication logic for 5+ fintech microservices using FastAPI, RabbitMQ, and Kafka.
• Designed schemas and executed 20+ database migrations via Alembic for PostgreSQL and MongoDB.
• Reduced loading time by 40% by refactoring legacy endpoints and optimizing 30 SQLAlchemy queries.
• Implemented application monitoring via Prometheus and Grafana, and ensured code quality through peer code reviews during Agile sprints.
• Technologies: Python, FastAPI, RabbitMQ, Kafka, MongoDB, PostgreSQL, SQLAlchemy, AWS S3, Prometheus, Grafana.

01/2021 – 08/2022 (2 YEARS)

• Accelerated raw event analysis by 300% by rewriting synchronous extraction scripts to AsyncIO.
• Structured data from 500+ daily logs using Pandas and BeautifulSoup4, automating extraction.
• Created 10+ API endpoints for an internal metrics tool and integrated WebSockets for real-time tracking.
• Containerized processing scripts using Docker and covered 100% of core algorithms via Pytest.
• Technologies: Python, AsyncIO, Vue.js, Grafana, WebSockets, Pandas, Docker, Pytest, BeautifulSoup4.

• GRENOBLE ENSIMAG MASTER, 2024 - 2026 Computer Science and Applied Mathematics.
• HIGHER SCHOOL OF ECONOMICS BACHELOR, 2021 - 2024 Business Informatics and Finance.

Google Professional Cloud Developer (2021) and AWS Certified Developer - Associate (2023). Developed a framework for the VK social network and several open-source libraries on PyPI. Tutoring work at an international IT school, helping students grasp programming and complex concepts. Fluent in 3 languages with strong international experience (studies and work).