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OLEKSII HALIMOV
S OF T WA R E D E V E L OP E R

PROFESSIONAL SUMMARY WORK EXPERIENCE
Software Developer with 4+ years of experience Middle Data Engineer
designing and scaling high-performance backend
GroupBWT | 01/2022 - 01/2026 (4 years)
systems and robust applications. Proficient in Python,
SQL, and FastAPI, with a proven track record of Designed and built scalable web scraping systems using
deploying secure APIs and managing complex cloud Scrapy and RabbitMQ, enabling distributed task
infrastructure across AWS and GCP . Expert in management and high-throughput data collection.
automating distributed workflows and optimizing data- Created optimized MySQL/PostgreSQL database schemas
driven solutions to ensure high availability and stability for efficient storage and access of scraped data.
at scale. Developed small RESTful APIs with FastAPI to deliver data
to clients, implementing JWT-based authorization for
CONTACT secure access.
Phone: [open contact info](look above in the "contact info" section) Leveraged Playwright and Camoufox to extract data from
Email: [open contact info](look above in the "contact info" section) dynamic and protected web sources.
Deployed and automated pipelines with Docker, AWS EC2,
TECHNICAL SKILLS and GitLab CI/CD.
Engineered custom anti-bot evasion techniques to ensure
Languages: Databases:
stable and uninterrupted data collection at scale.
Python BigQuery
Monitored and maintained scraping workflows,
SQL Firestore implementing logging, retries, and alerting to ensure data
JavaScript MySQL reliability.
Frameworks & Libraries: PostgreSQL
Middle Data Engineer
Geopandas Redis
Shapely Messaging & Queues: SeeTree | 01/2026 - 04/2026 (4 months)
SQLAlchemy SQS Architected and implemented automated ETL pipelines to
Scrapy RabbitMQ ingest high-resolution drone imagery and satellite data into
Playwright Cloud Tasks Google Cloud Storage (GCS) and BigQuery.
BeautifulSoup Cloud & Infrastructure: Utilized Geopandas to process vector data and spatial
Alembic AWS metadata, ensuring accurate alignment of imagery with
FastAPI RDS field coordinates.
Puppeteer EC2 Managed complex data dependencies and processing
Workflow & S3 triggers using Google Cloud Composer (Airflow) to ensure
timely data availability for agronomists.
Orchestration: GCP
BigQuery Developed high-performance RESTful APIs using FastAPI
Airflow
to serve tree-level analytics and vegetation indices to the
Cloud Run
client-facing dashboard.
Composer
Deployed and automated pipelines with Docker and
GCS
BitBucket CI/CD.
Firebase
Docker ADDITIONAL EXPERIENCE
Linux
Middle PHP Developer
EDUCATION BestWebSoft | 11/2020 - 10/2021 (1 year 1 month)

Zaporizhzhia National University Intern Python Developer

Foreign philology. English translator | Bachelor | Light IT | 06/2021 - 08/2021 (3 months)
09/2017 - 06/2021
“Zaporizhzhia Polytechnic“ National University
Information Technologies. Software Engineering |
Master | 09/2021 - 01/2023