Netcracker/qubership-apihub-backend
Feb 2025 – Jan 2026
12 Months active
Languages Used
GoSQLMarkdownPlantUMLYAMLShell
Technical Skills
API DevelopmentAPI IntegrationAuthenticationBackend DevelopmentDatabase ManagementEnvironment Configuration
Viacheslav Lunev
PROFILE
Viacheslav Lunev
Viacheslav Lunev developed and maintained core backend features for the Netcracker/qubership-apihub-backend over a twelve-month period, focusing on API design, authentication, and distributed systems. He delivered asynchronous export APIs, full-text search, and robust migration workflows using Go, SQL, and Kubernetes, while integrating cloud storage and distributed caching to improve scalability and reliability. His work included implementing access control, role-based authentication, and detailed observability, as well as refactoring for maintainability and performance. By addressing data integrity, error handling, and test hygiene, Viacheslav ensured the backend service remained stable, secure, and adaptable to evolving business and operational requirements.
Overall Statistics
Feature vs Bugs
64%Features
Repository Contributions
48Total
Bugs
14
Commits
48
Features
25
Lines of code
13,189
Activity Months12
Work History
January 2026
4 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for Netcracker/qubership-apihub-backend. Delivered API performance enhancement, dev workflow stabilization, and improved observability. Business value includes reduced payloads for clients, faster local development setup, and clearer diagnostics, enabling faster feature delivery and lower MTTR.
4 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for Netcracker/qubership-apihub-backend. Delivered API performance enhancement, dev workflow stabilization, and improved observability. Business value includes reduced payloads for clients, faster local development setup, and clearer diagnostics, enabling faster feature delivery and lower MTTR.
January 2026
December 2025
4 Commits • 2 Features
Dec 1, 2025December 2025 focused on enabling cloud storage integration and enhancing API capabilities for the qubership-apihub-backend. Delivered cloud storage support for sources archives stored in S3 by removing a foreign key constraint, introduced an API endpoint to retrieve a summary of operation changes between current and previous published versions, and fixed an issue where lite search parameters were incorrectly set prior to execution in OperationService. These changes improve data publication reliability, provide version-aware operational visibility, and strengthen search reliability for end users.
December 2025
4 Commits • 2 Features
Dec 1, 2025December 2025 focused on enabling cloud storage integration and enhancing API capabilities for the qubership-apihub-backend. Delivered cloud storage support for sources archives stored in S3 by removing a foreign key constraint, introduced an API endpoint to retrieve a summary of operation changes between current and previous published versions, and fixed an issue where lite search parameters were incorrectly set prior to execution in OperationService. These changes improve data publication reliability, provide version-aware operational visibility, and strengthen search reliability for end users.
November 2025
1 Commits
Nov 1, 2025Concise monthly summary for 2025-11 focusing on key accomplishments, bug fixes, business value and technical achievements for Netcracker/qubership-apihub-backend.
1 Commits
Nov 1, 2025Concise monthly summary for 2025-11 focusing on key accomplishments, bug fixes, business value and technical achievements for Netcracker/qubership-apihub-backend.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 performance summary for Netcracker/qubership-apihub-backend: Delivered a major Data Migration System overhaul using a Finite State Machine to improve control, observability, and reliability of migrations. Implemented cancellation, optimistic locking, and retry mechanisms; introduced detailed performance reporting and telemetry. Fixed critical defects in temporary table creation, build checks, index additions, and metadata enrichment to create a more robust migration pipeline. Focused on delivering business value with a more robust, observable migration process.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 performance summary for Netcracker/qubership-apihub-backend: Delivered a major Data Migration System overhaul using a Finite State Machine to improve control, observability, and reliability of migrations. Implemented cancellation, optimistic locking, and retry mechanisms; introduced detailed performance reporting and telemetry. Fixed critical defects in temporary table creation, build checks, index additions, and metadata enrichment to create a more robust migration pipeline. Focused on delivering business value with a more robust, observable migration process.
September 2025
3 Commits • 3 Features
Sep 1, 2025September 2025 performance summary for Netcracker/qubership-apihub-backend: Delivered 3 high-impact backend initiatives that improve security, scalability, and data reliability. The PAT verification API enables external systems to validate tokens, Olric clustering configuration unlocks cross-service communication and distributed caching, and the dashboard CSV import refactor reduces import failures through dynamic header detection and robust error handling. No major bugs reported this month; improvements are expected to reduce external auth latency, increase system throughput under load, and improve data ingestion reliability across dashboards.
3 Commits • 3 Features
Sep 1, 2025September 2025 performance summary for Netcracker/qubership-apihub-backend: Delivered 3 high-impact backend initiatives that improve security, scalability, and data reliability. The PAT verification API enables external systems to validate tokens, Olric clustering configuration unlocks cross-service communication and distributed caching, and the dashboard CSV import refactor reduces import failures through dynamic header detection and robust error handling. No major bugs reported this month; improvements are expected to reduce external auth latency, increase system throughput under load, and improve data ingestion reliability across dashboards.
September 2025
August 2025
3 Commits • 3 Features
Aug 1, 2025Month: 2025-08 — Netcracker/qubership-apihub-backend delivered three strategic features to improve data discovery, release observability, and extension readiness, with no major bugs reported this period. Key deliverables: - Full-Text Search for Operations (PoC): updated search entity, repository logic, and DB schema to enable text-based searching of operation data. Commit d1b2d01f9d59c557b02306e812170e6b6f56357a (#108). - Package Version Release Notifications via Olric: added a distributed notification mechanism with a dedicated topic and a new notification service; updated published service. Commit 685e2f3d8522eacbf4f9df019cb1d0eef7e9341d (#123). - Static Extension Registration in API Hub: static extension registration with documentation, config templates, and code updates to expose extension details for external use. Commit 76848ed3c895e80711a964f2cb9b15fd5f4e1519 (#185). Impact and accomplishments: Improved data discovery, proactive release notifications, and scalable extension management, enabling faster discovery, better stakeholder visibility, and easier onboarding of external extensions. Technologies/skills demonstrated: Full-text search integration, database/schema evolution, event-driven notifications with Olric, static extension registration, documentation/template maintenance.
August 2025
3 Commits • 3 Features
Aug 1, 2025Month: 2025-08 — Netcracker/qubership-apihub-backend delivered three strategic features to improve data discovery, release observability, and extension readiness, with no major bugs reported this period. Key deliverables: - Full-Text Search for Operations (PoC): updated search entity, repository logic, and DB schema to enable text-based searching of operation data. Commit d1b2d01f9d59c557b02306e812170e6b6f56357a (#108). - Package Version Release Notifications via Olric: added a distributed notification mechanism with a dedicated topic and a new notification service; updated published service. Commit 685e2f3d8522eacbf4f9df019cb1d0eef7e9341d (#123). - Static Extension Registration in API Hub: static extension registration with documentation, config templates, and code updates to expose extension details for external use. Commit 76848ed3c895e80711a964f2cb9b15fd5f4e1519 (#185). Impact and accomplishments: Improved data discovery, proactive release notifications, and scalable extension management, enabling faster discovery, better stakeholder visibility, and easier onboarding of external extensions. Technologies/skills demonstrated: Full-text search integration, database/schema evolution, event-driven notifications with Olric, static extension registration, documentation/template maintenance.
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary: Focused on reliability and accuracy of operation-change tracking in the qubership-apihub-backend. Delivered a targeted bug fix to Change Log and Export for Operation Changes, aligned with API lifecycle updates, and improved data integrity across audit logs and exports. This work reduces customer support tickets and strengthens downstream integrations.
1 Commits
Jul 1, 2025July 2025 monthly summary: Focused on reliability and accuracy of operation-change tracking in the qubership-apihub-backend. Delivered a targeted bug fix to Change Log and Export for Operation Changes, aligned with API lifecycle updates, and improved data integrity across audit logs and exports. This work reduces customer support tickets and strengthens downstream integrations.
July 2025
June 2025
4 Commits • 2 Features
Jun 1, 2025June 2025 — Delivered a major asynchronous Export API redesign, improved migration reliability, and corrected API field mappings to align with the spec. These efforts enhance export performance for large datasets, reduce migration risk, and improve overall API consistency and maintainability.
June 2025
4 Commits • 2 Features
Jun 1, 2025June 2025 — Delivered a major asynchronous Export API redesign, improved migration reliability, and corrected API field mappings to align with the spec. These efforts enhance export performance for large datasets, reduce migration risk, and improve overall API consistency and maintainability.
May 2025
1 Commits
May 1, 2025Concise monthly summary for 2025-05 focusing on key accomplishments, deliverables, major bugs fixed, and technology skills demonstrated. No new features delivered this month; emphasis on migration correctness and data accuracy in the backend service.
1 Commits
May 1, 2025Concise monthly summary for 2025-05 focusing on key accomplishments, deliverables, major bugs fixed, and technology skills demonstrated. No new features delivered this month; emphasis on migration correctness and data accuracy in the backend service.
May 2025
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Netcracker/qubership-apihub-backend: Delivered a feature-rich update to operation comparison and fixed critical data integrity constraints, directly strengthening data accuracy, API reliability, and downstream business workflows. The work reduces the risk of mismatched operations, ensures cascade updates/deletes for package exports, and improves test hygiene, contributing to safer releases and faster iteration.
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Netcracker/qubership-apihub-backend: Delivered a feature-rich update to operation comparison and fixed critical data integrity constraints, directly strengthening data accuracy, API reliability, and downstream business workflows. The work reduces the risk of mismatched operations, ensures cascade updates/deletes for package exports, and improves test hygiene, contributing to safer releases and faster iteration.
March 2025
16 Commits • 7 Features
Mar 1, 2025March 2025: Delivered security-focused observability, configurability, and governance improvements for Netcracker/qubership-apihub-backend, while stabilizing API responses and error propagation. The work enhances business metrics, strengthens access controls, enables feature toggling, and improves build quality. Result: more reliable production APIs, clearer visibility into usage, and safer onboarding of agents and editors.
16 Commits • 7 Features
Mar 1, 2025March 2025: Delivered security-focused observability, configurability, and governance improvements for Netcracker/qubership-apihub-backend, while stabilizing API responses and error propagation. The work enhances business metrics, strengthens access controls, enables feature toggling, and improves build quality. Result: more reliable production APIs, clearer visibility into usage, and safer onboarding of agents and editors.
March 2025
February 2025
8 Commits • 5 Features
Feb 1, 2025February 2025: Delivered core security, reliability, and developer experience improvements for Netcracker/qubership-apihub-backend. Implemented full PAT lifecycle with authentication integration and performance enhancements, tightened token limit enforcement, improved startup observability and system provisioning, expanded GitLab client compatibility for local/self-hosted environments, clarified error messaging for package moves, and added robust test-data cleanup for PATs. These changes reduce security risk, improve performance and operability, and accelerate dev/test workflows.
February 2025
8 Commits • 5 Features
Feb 1, 2025February 2025: Delivered core security, reliability, and developer experience improvements for Netcracker/qubership-apihub-backend. Implemented full PAT lifecycle with authentication integration and performance enhancements, tightened token limit enforcement, improved startup observability and system provisioning, expanded GitLab client compatibility for local/self-hosted environments, clarified error messaging for package moves, and added robust test-data cleanup for PATs. These changes reduce security risk, improve performance and operability, and accelerate dev/test workflows.
Activity
Loading activity data...
Quality Metrics
Correctness87.0%
Maintainability85.4%
Architecture84.6%
Performance78.8%
AI Usage22.2%
Skills & Technologies
Programming Languages
GoMarkdownPlantUMLSQLShellYAML
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI developmentAccess ControlAsynchronous OperationsAuthenticationBackend DevelopmentCachingCode MaintenanceCode RefactoringConcurrency ControlConfiguration ManagementData ModelingData Processing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline