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Roman Kniazevych

PROFILE

Roman Kniazevych

Over five months, Aboruhen contributed to Backbase/stream-services by engineering investment management features and enhancing backend reliability. He developed and integrated RESTful APIs using Java and Spring Boot, focusing on data ingestion, asset management, and real-time price generation to support analytics and production readiness. His work included refactoring service configurations, improving logging and testing, and upgrading API versions for better maintainability. Aboruhen also addressed OpenAPI linting in Backbase/backbase-openapi-tools, fixing YAML parsing for $ref-based examples to ensure accurate contract validation. His technical depth is reflected in robust backend design, microservices architecture, and careful attention to data fidelity and service scalability.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

11Total
Bugs
1
Commits
11
Features
5
Lines of code
119,234
Activity Months5

Your Network

49 people

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 performance summary for Backbase/stream-services: Delivered Investment Service API enhancements and data ingestion, upgraded to API v1.3.0, documented endpoints, and organized specifications into an investment package. Implemented image upload handling fix and prepared data model ingestion for documents, content news tags, and currency entries. Achieved beta-to-prod promotion readiness for key APIs and introduced upserts for entity tags and currencies, positioning the service for scalable data ingestion and improved developer experience.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered intraday price generation and ingestion for assets in Backbase/stream-services, with enhancements to content ingestion and asset management. This enables near real-time price data for downstream analytics, improved pricing accuracy, and more reliable asset data flows. The work is tracked in commit 01714b1cceb8c15d1d5e5a5ca36c258976da1766 ('Generating Intraday Prices for the Assets (#577) (#578)').

December 2025

2 Commits • 1 Features

Dec 1, 2025

Month 2025-12: Delivered Investment Management System Enhancements for Backbase/stream-services, delivering robust data handling and service improvements to advance production readiness and market readiness. Focused on market-day support, API configurations, model portfolio handling, asset prices ingestion, portfolio allocation generation, and asset taxonomy; plus a configuration/service refactor to improve maintainability and production readiness.

November 2025

5 Commits • 2 Features

Nov 1, 2025

November 2025: Delivered end-to-end Investment Service Integration with enhanced logging, testing, and data handling; introduced CustomIntegrationApiService and improved API client configuration; bumped SDK to 20.0.0 with updated CHANGELOG. Fixed critical ingestion and configuration bugs to improve reliability and performance; overall impact includes stronger service configuration, better data fidelity, and smoother user experiences.

November 2024

1 Commits

Nov 1, 2024

Concise monthly summary for 2024-11 focusing on a targeted OpenAPI linting bug fix in Backbase/backbase-openapi-tools. The fix improves the reliability of lint results for $ref-based examples and aligns release notes with changes, contributing to API contract quality and faster, safer releases.

Activity

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Quality Metrics

Correctness82.8%
Maintainability81.8%
Architecture81.8%
Performance81.8%
AI Usage40.0%

Skills & Technologies

Programming Languages

JavaKotlinXMLYAML

Technical Skills

API LintingAPI developmentAPI integrationCode RefactoringJavaOpenAPI SpecificationREST APIREST API developmentRESTful servicesSpringSpring BootSpring FrameworkSpring frameworkTestingVersion Control

Repositories Contributed To

2 repos

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

Backbase/stream-services

Nov 2025 Feb 2026
4 Months active

Languages Used

JavaXML

Technical Skills

API developmentAPI integrationJavaREST API developmentSpringSpring Boot

Backbase/backbase-openapi-tools

Nov 2024 Nov 2024
1 Month active

Languages Used

KotlinYAML

Technical Skills

API LintingCode RefactoringOpenAPI SpecificationTestingYAML Parsing