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Emiliyan Kadiyski

PROFILE

Emiliyan Kadiyski

Over six months, contributed to the hiero-ledger/hiero-sdk-java repository by delivering fourteen features and resolving four bugs, focusing on backend reliability, scalability, and developer experience. Work included implementing high-volume account creation with throttling and pricing, enhancing contract lifecycle and scheduling endpoints, and introducing token enablement APIs. Leveraged Java, Kotlin, and gRPC to improve network governance, error handling, and integration testing. Refactored SDK terminology for clarity and aligned with evolving platform standards. Release management and CI/CD practices ensured production readiness, while integration and unit tests strengthened code quality. These efforts enabled safer multi-node deployments and streamlined onboarding for enterprise clients.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

27Total
Bugs
4
Commits
27
Features
14
Lines of code
11,341
Activity Months6

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026: Delivered High-Volume Account Creation in hiero-sdk-java with throttling and pricing, plus new transaction parameters and adjustments to support high-volume onboarding. Feature delivered via HIP-1313 (#2572) with commit 81a289520864c9b0fd170f610deef48bfd5c2544. Focused on performance, scalability, and pricing alignment; no major bugs fixed in this repo this month. This work drives scalable onboarding for customers, improves throughput reliability, and underpins future capacity planning.

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 — Hiero SDK Java delivered core feature work and platform readiness improvements that enhance developer experience and token capability support. No major bugs fixed this month; focus was on terminology alignment, new token-related APIs, and gRPC compatibility to enable richer client integrations and smoother downstream adoption.

January 2026

7 Commits • 3 Features

Jan 1, 2026

January 2026 (2026-01) focused on delivering feature-rich improvements and strengthening reliability for hiero-sdk-java. Core outcomes include enhanced fee estimation accuracy with governance testing, expanded large-transaction handling, robust error handling for node accounts, and code clarity through targeted refactors. Release activity includes the v2.66.0 milestone for fee estimation, and multiple commits across feature delivery, bug fixes, and refactors to improve scalability and maintainability.

November 2025

5 Commits • 3 Features

Nov 1, 2025

Monthly performance summary for 2025-11 focusing on the hiero-sdk-java repo (hiero-ledger/hiero-sdk-java). Deliverables centered on network governance, concurrency hardening, and reliability improvements. The work enhances stability, security, and developer experience, enabling safer multi-node deployments and more robust integrations.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025: Delivered a critical enhancement to the Hiero SDK Java by adding a Delete Endpoint for Scheduled Transactions, enabling programmatic deletion and improving lifecycle management. No major bugs fixed this period. Overall impact: reduces manual cleanup, improves reliability of scheduled-transaction handling, and accelerates developer workflows. Technologies/skills demonstrated: Java SDK development, REST API design, TCK-aligned delivery, and Git-based governance with clear commit history.

September 2025

11 Commits • 4 Features

Sep 1, 2025

September 2025 focused on delivering reliability, automation, and contract lifecycle capabilities in hiero-sdk-java, culminating in the 2.64.0 release. Key work spanned hardening topic messaging, expanding TCK endpoints for contract lifecycle and scheduling, and stabilizing mirror node URL handling. These efforts reduce runtime errors, accelerate integration with Hedera services, and improve developer experience across testing and production environments.

Activity

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Quality Metrics

Correctness92.6%
Maintainability87.0%
Architecture89.2%
Performance86.4%
AI Usage27.4%

Skills & Technologies

Programming Languages

GroovyJavaKotlinMarkdownProtoBufTypeScriptXMLYAML

Technical Skills

API DevelopmentAPI ImplementationAPI IntegrationAPI developmentAsynchronous ProgrammingBackend DevelopmentBuild AutomationCI/CDContract ManagementDependency ManagementError HandlingGradleIntegration TestingJavaKotlin

Repositories Contributed To

1 repo

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

hiero-ledger/hiero-sdk-java

Sep 2025 Apr 2026
6 Months active

Languages Used

GroovyJavaKotlinMarkdownTypeScriptXMLYAMLProtoBuf

Technical Skills

API DevelopmentAPI ImplementationAPI IntegrationAsynchronous ProgrammingBuild AutomationContract Management