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Svetoslav Borislavov

PROFILE

Svetoslav Borislavov

Svetoslav Borislavov developed and maintained the hashgraph/hedera-transaction-tool, delivering 52 features and resolving 20 bugs over six months. He engineered robust transaction workflows, onboarding, and key management, focusing on security and operational reliability. Using TypeScript, Vue.js, and NestJS, Svetoslav implemented Argon2-based authentication, multi-signature support, and batch account updates, while refining UI/UX and state management. His work included cross-platform update mechanisms, certificate handling, and notification systems, addressing both backend and frontend concerns. The solutions demonstrated depth in system design, code organization, and DevOps, resulting in a stable, scalable product that improved user experience and developer productivity.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

98Total
Bugs
20
Commits
98
Features
52
Lines of code
51,159
Activity Months6

Work History

March 2025

5 Commits • 4 Features

Mar 1, 2025

March 2025 monthly summary for hashgraph/hedera-transaction-tool: Delivered security-focused authentication enhancements, verification hardening, and user experience improvements, underpinned by targeted dependency cleanup and UI refinements. These efforts reduced risk, improved operational correctness, and enhanced customer-facing features with measurable business value.

February 2025

10 Commits • 7 Features

Feb 1, 2025

February 2025 (2025-02) monthly summary for hashgraph/hedera-transaction-tool: delivered a focused set of features and reliability improvements across key management, signer workflows, admin governance, UX, and deployment automation. The efforts optimized security, onboarding, and operational velocity, while enabling batch processing and governance controls.

January 2025

17 Commits • 9 Features

Jan 1, 2025

January 2025 monthly summary for hashgraph/hedera-transaction-tool focused on delivering performance, reliability, and richer transaction/workflow capabilities. Achievements span onboarding/perf improvements, unified transaction lifecycles, user communications, and UI/UX robustness, underpinned by up-to-date dependencies and solid state persistence.

December 2024

17 Commits • 6 Features

Dec 1, 2024

December 2024 performance snapshot for hashgraph/hedera-transaction-tool and hiero-ledger/hiero-sdk-js. Key features were delivered to enhance usability, security, and scalability while critical fixes improved data integrity and user experience. Delivered multi-mnemonic phrase management with nickname association and improved imports/restores; upgraded recovery phrase hashing to Argon2 with dual bcrypt verification and introduced a migration path; expanded the maximum number of user keys from 20 to 500 with backend/frontend alignment; implemented frontend/backend reliability refinements (composables, error handling, IPC, typings, and docs) to improve developer productivity and product stability; added a new transaction group modal and addressed transaction group bugs; improved X.509 certificate handling and data exposure; refined login/migration UX with clearer keychain explanations and button ordering; and resolved major bugs including restoring deleted users and protobuf-aligned certificate field formatting.

November 2024

41 Commits • 23 Features

Nov 1, 2024

November 2024 monthly performance summary for the dev team. Focused on stabilizing core product delivery, UX improvements, and build health across repositories. Key features were delivered to improve onboarding, transparency, and settings visibility, while a broad set of high-impact bugs and stability issues were resolved to reduce risk and supportability. The work also advanced developer experience with cross-architecture build fixes and infrastructure experimentation (dev Kubernetes setup) to diagnose websocket issues and improve long-term maintainability. Key outcomes: - Business value delivered through onboarding/configuration improvements and better user experience, alongside architecture and build reliability enhancements. - Security and quality improvements with dependency updates and vulnerability fixes. - Performance and UX optimizations through UI polish and bundle-size reductions.

October 2024

8 Commits • 3 Features

Oct 1, 2024

October 2024 monthly performance summary for hashgraph/hedera-transaction-tool: Focused on reliability, lifecycle governance, and secure updates. Delivered system delete/undelete transactions with new Vue components and routing; overhauled the application update mechanism to a cross-platform, IPC-driven service; implemented a signature map to support multi-signature workflows. Fixed critical crashes in node creation, hardened data migration startup flow, and refined transaction handling. The work enhances resource lifecycle safety, startup security, and multi-signature capabilities, reducing operational risk and improving developer and user productivity.

Activity

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Quality Metrics

Correctness90.2%
Maintainability88.4%
Architecture86.0%
Performance81.6%
AI Usage24.6%

Skills & Technologies

Programming Languages

CSSDockerfileHTMLJavaScriptMarkdownSCSSSQLShellTypeScriptVue

Technical Skills

API DevelopmentAPI IntegrationAccount RecoveryArgon2Back-end DevelopmentBackend DevelopmentBcryptBuild SystemsCI/CDCSSCertificate HandlingCode OptimizationCode OrganizationCode RefactoringComponent Design

Repositories Contributed To

2 repos

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

hashgraph/hedera-transaction-tool

Oct 2024 Mar 2025
6 Months active

Languages Used

JavaScriptTypeScriptVueCSSDockerfileSCSSShellYAML

Technical Skills

API DevelopmentBackend DevelopmentBuild SystemsCross-Platform DevelopmentCustom DevelopmentDTO Design

hiero-ledger/hiero-sdk-js

Nov 2024 Dec 2024
2 Months active

Languages Used

JavaScript

Technical Skills

Backend DevelopmentFull Stack DevelopmentNode.jsTypeScriptFull stack development

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