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Roman Braciník

PROFILE

Roman Braciník

Roman Bracinik developed and maintained core backend features for the keboola/storage-backend and keboola/storage-api-php-client repositories, focusing on secure authentication, scalable data export, and robust API design. He implemented certificate-based Snowflake authentication, migrated legacy logins to keypair methods, and enhanced S3 Parquet export for analytics. Roman improved developer experience by standardizing environment variables, refining CI/CD workflows, and automating setup scripts using PHP, Bash, and SQL. His work included overhauling sharing APIs, strengthening test reliability with PHPUnit, and clarifying documentation. These contributions increased platform security, reliability, and maintainability, demonstrating depth in backend development, cloud integration, and infrastructure automation.

Overall Statistics

Feature vs Bugs

74%Features

Repository Contributions

72Total
Bugs
8
Commits
72
Features
23
Lines of code
3,569
Activity Months7

Work History

September 2025

2 Commits • 1 Features

Sep 1, 2025

Concise monthly summary for 2025-09 focusing on keboola/storage-backend: delivered features and fixed critical setup issues to improve CI readiness and developer onboarding. Key outcomes include CI provisioning for Snowflake storage driver and macOS setup script corrections, enhancing reliability and reproducibility for Snowflake CI workflows.

August 2025

15 Commits • 4 Features

Aug 1, 2025

Month: 2025-08. Delivered targeted features and stability improvements across storage-backend and storage-api-php-client, focusing on documentation clarity, reliability, and secure authentication flows. Key features include: UpdateProjectCommand documentation enhancements; Split-repo.sh path handling improvement; Snowflake login keypair migration for legacy workspace logins; Public component details API with tests and type annotations. Major bug fixed: BigQuery export tests reliability fix. Impact includes clearer onboarding and API usage guidance for customers, more reliable repository mirroring, secure authentication transition for legacy users, and expanded public API coverage with robust tests. Technologies/skills demonstrated: PHP backend development, API design, test reliability strategies, scripting improvements, timezone handling, and public API documentation with explicit typing.

July 2025

28 Commits • 9 Features

Jul 1, 2025

July 2025 performance highlights a strong blend of feature delivery, reliability enhancements, and developer tooling improvements across keboola/storage-api-php-client and keboola/storage-backend. The team advanced data export, tagging, and test quality while tightening container practices and documentation, driving measurable business value and solidifying platform stability.

April 2025

6 Commits • 1 Features

Apr 1, 2025

April 2025 performance summary for keboola/storage-api-php-client focused on cleaning up and migrating the Sharing API to a synchronous model, reducing maintenance risk, and aligning client behavior with server expectations. The work included test/document updates and establishing a stable baseline for future enhancements.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025: Implemented run ID generation and run-ID-based filtering in WorkspacesSnowflakeTest within keboola/storage-api-php-client, refactoring test setup to generate and assign a run ID before loading workspace data, and updating assertions to use the filtered job list. This improves test accuracy, reliability, and CI stability.

February 2025

11 Commits • 6 Features

Feb 1, 2025

February 2025 monthly summary focusing on delivering clearer Snowflake integration APIs, strengthening security, improving developer experience, and overhauling the bucket sharing surface while maintaining code quality through static analysis cleanup. The work drives reliability, easier onboarding, and scalable collaboration between storage-backend and storage-api-php-client teams, enabling safer growth of features and governance across environments.

January 2025

9 Commits • 1 Features

Jan 1, 2025

January 2025 - keboola/storage-backend: Delivered a secure, certificate-based Snowflake authentication flow and standardized environment variable naming across Docker Compose and CI. Implemented private key handling (generation, temporary storage, and automatic cleanup), updated the DSN generator and connection factory to support cert-based connections, and expanded tests and documentation. Standardization and CI updates reduce deployment friction and improve cross-environment consistency, while increasing security and auditability of storage backends.

Activity

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Quality Metrics

Correctness93.8%
Maintainability94.0%
Architecture90.0%
Performance90.0%
AI Usage20.8%

Skills & Technologies

Programming Languages

API BlueprintApiaryBashDockerfileGitMarkdownPHPSQLShellTerraform

Technical Skills

API Client DevelopmentAPI DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI TestingAWS S3AuthenticationBackend DevelopmentBigQueryCI/CDCloud InfrastructureCloud Storage IntegrationCode CommentingCode Documentation

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

keboola/storage-backend

Jan 2025 Sep 2025
5 Months active

Languages Used

BashMarkdownPHPSQLYAMLGitDockerfileShell

Technical Skills

AuthenticationBackend DevelopmentCI/CDCloud InfrastructureConfiguration ManagementDatabase Connections

keboola/storage-api-php-client

Feb 2025 Aug 2025
5 Months active

Languages Used

MarkdownPHPApiaryAPI Blueprint

Technical Skills

API IntegrationAPI TestingBackend DevelopmentCode QualityDocumentationPHP

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