DEVELOPMENT

Development & Automation

Development of custom system-level scripts and modern OOP PHP applications to eliminate manual tasks and accelerate data processing. Custom coding, system-level integrations, and automation to minimize manual errors and speed up problem-solving.

I

Bash & Perl Scripting

Development of system-level automation, cron jobs, and basic maintenance scripts.

Service: System-level automation, cron jobs, and Bash command-line scripting for daily maintenance tasks.

Technical content: Development of automated log rotation, compression (tar, gzip), text processing (awk, sed, grep), and file system monitoring processes in Bash and Perl, including error-handling mechanisms.

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II

Python Automation

Development of advanced administration, data processing, and custom conversion scripts.

Service: Design and execution of complex data integration, advanced administration, database manipulation, and custom format conversion scripts.

Technical content: Development of Python-based automation solutions, processing of structured data (JSON, XML, CSV), creation of custom format-conversion scripts, generation and delivery of various reports, development of intelligent log analyzers, data integration between systems, conversion from files or databases, detailed code comments, and comprehensive documentation.

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III

OOP PHP Applications

Modern, object-oriented, and secure custom software development.

Service: Development of modern, object-oriented, and secure web applications or Moodle-based business logic.

Technical content: Use of strict typing (Type Hinting), namespaces, and prepared statements to prevent SQL injection; protection against Cross-Site Scripting (XSS) through automatic output escaping. Use of Moodle-compliant object-oriented APIs (e.g. $DB and $OUTPUT), Moodle DB API object-relational mappings and secure data handling, as well as the Task API for OOP-based development of scheduled and ad-hoc background tasks. Detailed code comments and comprehensive documentation.

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IV

Database Optimization (MySQL / MariaDB)

Optimization of slow SQL queries, database structure design, and performance improvement.

Service: Optimization of relational database performance and indexing structures to eliminate slow queries.

Technical content: Database schema analysis using EXPLAIN statements, implementation of missing indexes (Single and Composite Indexes), and rewriting of SQL queries.

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V

MoodleFIX API Integration

Implementation of secure, encrypted REST/SOAP data exchange between systems.

Service: Implementation of secure data exchange between various IT systems.

Technical content: Development of RESTful and SOAP clients and endpoints. Integration of secure authentication protocols (OAuth2, API tokens), implementation of robust data transmission mechanisms (retry logic, queue management).

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VI

Version Control (Git)

Professional Git-based source code management and version-controlled deployment processes.

Service: Development of professional, industry-standard source code management and version-controlled, automated deployment processes.

Technical content: Setup of Git repositories, conflict management, administration of Git environments, and implementation of version-controlled, script-automated deployment processes.

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ADDITIONAL AREAS OF EXPERTISE

Moodle Solutions & MoodleFIX Support

Comprehensive Moodle LMS support, including installation, version upgrades, troubleshooting, operation, and custom source-code-level development for large-scale university or enterprise infrastructures.

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Linux & Apache Administration

Stability, security, and speed on the server side. Administration and security hardening of Debian/Ubuntu servers, as well as performance tuning of high-traffic Apache web servers.

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