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@bulochk1n
Backend and data-infrastructure engineer working with Java and ClickHouse. Experience includes Asana data-governance pipelines and crypto tooling.
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597,160,957 tokens across 1 active days this year. Shades reflect this user's activity, with stronger shades for higher daily totals. Session tokens count on their last active day in UTC. Use arrow keys to explore days, or Home and End to jump to the first and last day.
Jun 2026 – Sep 2026
Asana · Warsaw, Poland · 4 mos
Engineered Python/Airflow tagging pipelines syncing PII and AI-generated financial-data classifications from Databricks into GitHub YAML through weekly jobs/PRs. Built Terraform/Spacelift secret rotation with overlapping token lifecycles and direct 1Password delivery; migrated GitHub Actions, MWAA Airflow and other systems from PAT/OAuth to Databricks Identity Federation. Deployed Lakebase network policies and monitoring/alerts for pipeline failures and infrastructure spending. Stack: Terraform, Python, SQL, Databricks, AWS IAM/MWAA, Airflow, Spacelift, 1Password and GitHub Actions. Profile reports Cursor/Claude Code-assisted IaC development.
Apr 2025 – Jun 2026
Present
Polish-Japanese Academy of Information Technology
Self-described as a CS student in the GitHub profile README. LinkedIn explicitly identifies a Cybersecurity student at PJATK and lists a study period 2023–2027 (year-only). No separate degree is inferred.
XYVOX · Poland · 1 yr 3 mos
Designed Java 21/Spring Boot 3 core-trading microservices and Node.js ingestion across 6+ exchanges. Built blockchain ETL to ClickHouse with self-reported sub-second wallet-PnL/asset queries; STOMP/WebSocket price/arbitrage streaming handling thousands of events per second; PostgreSQL user storage, Redis caching and ClickHouse time-series analytics. Deployed Oracle Cloud with Docker Compose/Nginx SSL and ARM resource optimisation. Built React/Vite/TypeScript live arbitrage grids and wallet charts.
Jul 2025 – Sep 2025
Vortex Solution · 3 mos
Built Java 17/Spring Boot inventory-management backend modules, secured REST APIs with Spring Security/JWT role-based access, wrote JUnit 5 tests and participated in Agile Git reviews. Optimised MySQL queries with Spring Data JPA/custom SQL.
