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Jiří Jakeš

PROFILE

Jiří Jakeš

Jiri contributed to the GaloyMoney/lana-bank repository, delivering robust backend and full stack features over ten months. He engineered workflows for credit facility management, including partial liquidation, collateral tracking, and multi-provider custody integration, using Rust, TypeScript, and GraphQL. His work emphasized data integrity, access control, and observability, introducing RBAC overhauls, end-to-end testing, and tracing instrumentation. Jiri improved operational reliability by standardizing environment configurations, optimizing logging, and refining error handling in job scheduling and reporting. Through careful refactoring and dependency management, he enhanced maintainability and deployment readiness, demonstrating depth in system design and a strong focus on business-critical reliability.

Overall Statistics

Feature vs Bugs

77%Features

Repository Contributions

59Total
Bugs
7
Commits
59
Features
24
Lines of code
42,621
Activity Months10

Work History

January 2026

7 Commits • 3 Features

Jan 1, 2026

January 2026 (2026-01) performance summary for GaloyMoney/lana-bank. Focused on strengthening liquidation lifecycle, ensuring accurate state transitions, and aligning frontend calculations with backend logic. Delivered end-to-end ledger support for liquidation events, improved event emissions, and upgraded core dependencies to bolster security and performance.

December 2025

3 Commits • 1 Features

Dec 1, 2025

December 2025: Delivered end-to-end Partial Liquidation for credit facilities in GaloyMoney/lana-bank, including initiation, monitoring, and repurposing of prior liquidation workflows, plus post-liquidation payment recording, allocation, and enhanced liquidation history/UI. This work improves capital flexibility for borrowers, strengthens risk controls, and provides auditable, real-time visibility into liquidation activity.

November 2025

1 Commits • 1 Features

Nov 1, 2025

Nov 2025 monthly summary for GaloyMoney/lana-bank focused on delivering a flexible disbursal policy and stabilizing the disbursement flow. Implemented a default multi-disbursal path, enhanced disbursal policy options, and strengthened CI feedback around simulation failures, while simplifying the initiation path by removing redundant calls. These changes improve reliability, throughput, and business flexibility for disbursement operations.

October 2025

1 Commits

Oct 1, 2025

2025-10 Monthly Summary for GaloyMoney/lana-bank. Delivered a targeted reliability improvement to the report generation workflow by hardening the Airflow integration against API failures, enabling robust operation as we prepare for Airflow replacement. This reduces downtime risk and preserves business-critical reporting continuity.

September 2025

5 Commits • 2 Features

Sep 1, 2025

September 2025 monthly performance summary for GaloyMoney/lana-bank: Reliability, observability, and maintainability improvements across simulations and ledger/configuration. Reverted the OpenTelemetry upgrade to fix broken tracing and restore end-to-end observability. Added retry logic and tracing instrumentation to simulations to improve resilience and debugging. Performed codebase cleanups: ordered ledger account children by account code and removed BuilderPattern from CoA configuration to reduce boilerplate. Business impact includes improved trace reliability, fewer simulation failures, faster debugging, and lower ongoing maintenance costs. Demonstrated tech proficiency in observability instrumentation, retry patterns for concurrency, and codebase refactoring for cleaner data models.

August 2025

10 Commits • 6 Features

Aug 1, 2025

August 2025 — Focused on strengthening custody configurations, risk governance, and system performance, with a set of targeted feature deliveries and data integrity improvements for Lana Bank. Key features delivered include manual custodian option for credit facilities with validation and translations; enhanced collateral custody data with explicit wallet network details; UI/backend support for freezing deposit accounts, including admin permissions and chart of accounts; performance optimization by reducing log volume through tracing level adjustments in job polling; and cleanup of migration/id sequence management by starting core_public_id_counter at 1000 and consolidating initialization logic. These changes collectively improve operational risk controls, data correctness, developer ergonomics, and deployment readiness.

July 2025

14 Commits • 6 Features

Jul 1, 2025

July 2025 delivered key custody, collateral, and reliability enhancements for lana-bank, enabling multi-provider support, real-time collateral visibility, and improved maintainability. The month focused on enabling BitGo custody, stabilizing webhook flows, and strengthening testing and deployment tooling to reduce operational risk and accelerate feature delivery.

June 2025

1 Commits

Jun 1, 2025

June 2025: LanaBank (GaloyMoney/lana-bank) focused on reinforcing testing reliability and CI stability through environment standardization for PostgreSQL. No new user-facing features delivered this month; priority was ensuring consistent test outcomes and smoother contributor onboarding.

May 2025

13 Commits • 3 Features

May 1, 2025

May 2025 monthly summary for GaloyMoney/lana-bank focusing on feature delivery and security enhancements to improve data integrity, reporting readiness, and access governance. Key work centered on collateral management for credit facilities, enhanced history tracking and accrual logic, Cala-aligned financial reporting data modeling, and a comprehensive RBAC overhaul to strengthen security and API consistency. These initiatives reduce data risk, enhance auditing capabilities, and position the team for scalable growth and regulatory readiness.

April 2025

4 Commits • 2 Features

Apr 1, 2025

April 2025: Lana Bank (GaloyMoney/lana-bank) delivered targeted enhancements to manual transaction workflows and introduced template-based transaction queries, strengthening data integrity, reporting capabilities, and user productivity. The work emphasized validation, schema improvements, and end-to-end test coverage, with GraphQL-based access patterns for templates and ledger transactions to support better organization and analytics.

Activity

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Quality Metrics

Correctness89.4%
Maintainability87.2%
Architecture87.4%
Performance81.4%
AI Usage23.6%

Skills & Technologies

Programming Languages

BashGraphQLJSONJavaScriptNixPythonRustSQLShellTOML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAccess ControlAuthorizationBackend DevelopmentBuild SystemsCI/CDCode ConsistencyCode LintingCode RenamingCode SimplificationConcurrency ControlConfiguration ManagementData Structures

Repositories Contributed To

1 repo

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

GaloyMoney/lana-bank

Apr 2025 Jan 2026
10 Months active

Languages Used

GraphQLRustShellTypeScriptJavaScriptSQLTOMLBash

Technical Skills

API DesignAPI DevelopmentBackend DevelopmentDatabase ManagementGraphQLGraphQL API Development

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