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Michał Nowacki

PROFILE

Michał Nowacki

Michal Nowacki developed and maintained the ComputeHorde backend, delivering core features such as modular scoring, dynamic miner incentives, and robust streaming job integrity. He engineered deployment pipelines and Docker-based environments, integrating Prometheus monitoring and optimizing CI/CD workflows for reliability and traceability. Using Python, Django, and Docker, Michal refactored critical modules, improved database migrations, and enhanced test infrastructure to ensure data integrity and maintainability. His work included implementing asynchronous Celery tasks, S3 integration, and SSL certificate management, addressing operational complexity and performance. Throughout, Michal’s contributions demonstrated depth in backend development, system design, and DevOps within the ComputeHorde repository.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

117Total
Bugs
23
Commits
117
Features
41
Lines of code
32,832
Activity Months9

Work History

October 2025

8 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary for backend-developers-ltd/ComputeHorde focusing on business value, architecture, and reliability. The month delivered a modular overhaul of the scoring system, migrated weight-setting to a modern client, and strengthened testing stability to ensure data integrity in validation flows. These changes improve maintainability, reduce coupling to external contracts, and enable faster, safer iteration of scoring rules and weights.

September 2025

7 Commits • 2 Features

Sep 1, 2025

September 2025: Consolidated migration and dependency alignment to ensure consistent schema evolution across environments, hardened block waiting/synchronization, fixed collateral task import/scheduling, and introduced test-friendly toggles that improve development and testing workflows. Delivered resilience through a retry mechanism for dynamic configuration fetch and an environment-driven multiplier for block allowance, enabling safe testing of higher traffic. These changes reduce cross-environment frictions, improve reliability, and accelerate feature delivery.

August 2025

56 Commits • 20 Features

Aug 1, 2025

Month: 2025-08. The ComputeHorde backend saw focused delivery across core functionality, reliability, and testing improvements. Key work included implementing core calculation logic, expanding validation tests, stabilizing CI/test pipelines, and enhancing observability. The month delivered tangible business value by improving financial calculation accuracy, reducing test and CI time, and enabling safer production deployments.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for backend-developers-ltd/ComputeHorde: Delivered a feature to simplify SSL certificate issuance by removing the www subdomain, resulting in cert requests for the primary domain only and reducing certificate management complexity. This aligns with security and reliability goals and lowers operational overhead.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 Performance Summary for backend-developers-ltd/ComputeHorde: Implemented deployment pipeline improvements and Docker build enhancements, plus a critical ASGI deployment fix, delivering more reliable, auditable, and faster deployments. Key actions included renaming the repo to ComputeHorde.git, enabling Docker BuildKit, injecting build-time metadata (date, timestamp, commit hash), and conditionally installing additional packages. Explicitly set HTTP_ASGI_APPLICATION_PATH to ensure the correct Django ASGI application is used. These changes are underpinned by commits 7cbfb5c2b310b990efed0ed51c9c52fc4df76f68 and 33119d1fa32abff6d163d9339ac451246a6025bd.

March 2025

14 Commits • 5 Features

Mar 1, 2025

March 2025 monthly summary for backend-developers-ltd/ComputeHorde: Delivered developer-focused enhancements across local development, client modernization, CI/CD, observability, and code quality. These efforts reduce toil, improve testing reliability, and strengthen production parity, enabling faster delivery of SDK features to customers and more robust deployment pipelines.

February 2025

13 Commits • 4 Features

Feb 1, 2025

February 2025 monthly summary for backend-developers-ltd/ComputeHorde. Focused on delivering robust streaming job integrity, dynamic miner incentives, hardening validator selection, and broad infrastructure stabilization to improve reliability, performance, and business value.

January 2025

13 Commits • 4 Features

Jan 1, 2025

Monthly Summary — 2025-01 (ComputeHorde) Key features delivered and major improvements: - Docker Deployment and Container Cleanup Enhancements - Enabled inter-service communication in Docker Compose by linking runner, flower, and validator to Redis/DB - Introduced a cleanup mechanism to remove lingering containers with renamed prefixes, ensuring clean environments before each run - Commits: 6927fd0974dcf2e3f79ee570a1be35cdc0cb798a; 010c26315c543db637a1276f64adb715a5195d1a - S3 Download Reliability, Timeout, and Signature Version Enhancements - Improved reliability and compatibility for S3/LLM downloads: better error reporting, dynamic timeouts, removal of hardcoded timeouts, and support for configurable AWS signature versions for S3-compatible storages - Commits: 304ff86949473d588860490cba405a67e3121b4; 6e585a479797374101dff354c7cdd93209db788e; 82cc6b07468d9232392ba34a3e44a0d5b08756b0; 0dc65cdadba213d8cc51874c7aeb56a41763c5bf - Executor Public Address API Documentation and Streaming Guidance - Documented and exposed executor public address concepts for streaming jobs; added get_executor_public_address usage notes and updated references - Commits: fc71f4c17a8fe5c772cd27a8e5812df0fb446e9e; 8dd84a715b4480fe6e84235ed0c2a3f1ae894c2d; e5ab35bc10c8974e6cdcf5bd2c721a3520a2b38a - Code Quality and Tests Infrastructure Improvements - Enhancement of code quality and test reliability: integration test updates, linting fixes, and configuration adjustments to improve maintainability and stability - Commits: 2781fba4cb4879dde968110981dcff87416e1df6; 35a67832fb08a39da8137fc48452f0175ceb7c20; c48c784be475511cd52f3afd9a5815f7c4953a08; 19dcf83e8cc44199b36f377d1836e47fd2028b44 Major bug fixes and stability improvements: - Executor cleanup: ensured past lingering containers are cleaned up to prevent cross-run contamination - Commit: 010c26315c543db637a1276f64adb715a5195d1a - S3 download error handling: surfaced last exception in system events for failed LLM downloads and eliminated hardcoded timeouts in favor of client-driven timeouts - Commits: 304ff86949473d588860490a cba405a67e3121b4; 6e585a479797374101dff354c7cdd93209db788e; 82cc6b07468d9232392ba34a3e44a0d5b08756b0; 0dc65cdadba213d8cc51874c7aeb56a41763c5bf Overall impact and business value: - Deployment stability: more reliable, repeatable environments, reducing failure modes during startup and execution - Data retrieval reliability: improved S3/LLM download reliability, reducing downstream retries and latency - Observability and API clarity: better visibility into streaming components via public address API and updated docs - Quality and maintainability: stronger test suite and linting, enabling safer feature delivery Technologies and skills demonstrated: - Docker Compose, container lifecycle management, and inter-service linking - AWS S3 compatibility, dynamic timeouts, and AWS_SIGNATURE_VERSION support - Public-facing API design and documentation practices - Integration testing, linting, and test parallelism optimization

November 2024

3 Commits • 2 Features

Nov 1, 2024

November 2024: Implemented two major monitoring features to strengthen observability and reliability of ComputeHorde. Celery Metrics Monitoring backported metrics and exposed them via Prometheus, with a simplification of metrics setup by removing an unnecessary CustomCeleryCollector registration. Validator Service Prometheus Monitoring established end-to-end observability by integrating Prometheus, configuring cAdvisor and node-exporter for resource metrics, and adding a Prometheus proxy for external access. Addressed a post-review issue in the metrics integration. This work enhances incident detection, reduces mean time to resolution, and enables data-driven capacity planning for Celery workers and the validator service.

Activity

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Quality Metrics

Correctness85.6%
Maintainability86.8%
Architecture83.0%
Performance77.0%
AI Usage20.6%

Skills & Technologies

Programming Languages

DockerfileMarkdownPythonSQLShellTOMLYAMLenv

Technical Skills

API DesignAPI IntegrationAWSAWS DeploymentAsynchronous ProgrammingBackend DevelopmentBittensorBlockchainBlockchain InteractionBuild AutomationCI/CDCachingCeleryCloud StorageCode Hygiene

Repositories Contributed To

1 repo

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

backend-developers-ltd/ComputeHorde

Nov 2024 Oct 2025
9 Months active

Languages Used

PythonYAMLMarkdownShellDockerfileSQLTOMLenv

Technical Skills

Backend DevelopmentCeleryDevOpsDockerMonitoringPrometheus

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