{"id":32720984,"url":"https://github.com/leisurelyleon/mastercard-lead-data-engineer","last_synced_at":"2026-04-08T16:32:43.880Z","repository":{"id":289610377,"uuid":"971818645","full_name":"leisurelyleon/mastercard-lead-data-engineer","owner":"leisurelyleon","description":"A tailored list of exemplified files corresponding to required skills for an appliable career position at Mastercard Inc.","archived":false,"fork":false,"pushed_at":"2025-10-17T04:45:18.000Z","size":62,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-11-02T20:04:09.085Z","etag":null,"topics":["apache","apache-spark","big-data","hive","impala","java","kafka","nifi","nosql","nosql-database","nosql-databases","object-oriented","object-oriented-programming","oozie","postgresql","python","scala","spark","sqoop"],"latest_commit_sha":null,"homepage":"https://careers.mastercard.com/us/en/job/R-243536/Lead-Data-Engineer?","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/leisurelyleon.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-04-24T05:29:40.000Z","updated_at":"2025-10-17T04:45:21.000Z","dependencies_parsed_at":"2025-04-24T06:41:12.292Z","dependency_job_id":null,"html_url":"https://github.com/leisurelyleon/mastercard-lead-data-engineer","commit_stats":null,"previous_names":["leisurelyleon/mastercard-lead-data-engineer"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/leisurelyleon/mastercard-lead-data-engineer","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/leisurelyleon%2Fmastercard-lead-data-engineer","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/leisurelyleon%2Fmastercard-lead-data-engineer/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/leisurelyleon%2Fmastercard-lead-data-engineer/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/leisurelyleon%2Fmastercard-lead-data-engineer/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/leisurelyleon","download_url":"https://codeload.github.com/leisurelyleon/mastercard-lead-data-engineer/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/leisurelyleon%2Fmastercard-lead-data-engineer/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31564900,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-08T14:31:17.711Z","status":"ssl_error","status_checked_at":"2026-04-08T14:31:17.202Z","response_time":54,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["apache","apache-spark","big-data","hive","impala","java","kafka","nifi","nosql","nosql-database","nosql-databases","object-oriented","object-oriented-programming","oozie","postgresql","python","scala","spark","sqoop"],"created_at":"2025-11-02T20:01:27.453Z","updated_at":"2026-04-08T16:32:43.864Z","avatar_url":"https://github.com/leisurelyleon.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Mastercard Lead Data Engineer (Demo Project)\n\nWelcome to the `mastercard-lead-data-engineer` repository. This project serves as a **comprehensive demonstration portfolio** to simulate the technical responsibilities and skills required for a **Lead Data Engineer** role at Mastercard.\n\nIt is structured around a mock job description and showcases a curated selection of coding samples, configuration files, shell scripts, and architectural documentation that align with the expectations of enterprise-grade data engineering work.\n\n\u003e 📍 **Note:** This project is not affiliated with or endorsed by Mastercard. All files and examples are hypothetical and solely for educational purposes.\n\n---\n\n## 📂 Directory Structure\n\nEach folder corresponds to a critical area of expertise listed in the job role:\n\n```\nmastercard-lead-data-engineer/ \n├── 01_cloudera_integration/ # HDFS \u0026 Cloudera configuration integration \n├── 02_spark_processing/ # Spark batch and streaming pipelines \n├── 03_programming_fundamentals/ # OOP, data structures, and algorithms \n├── 04_databases/ # Relational (Postgres) and NoSQL (MongoDB, Cassandra) \n├── 05_streaming_tools/ # Hive, Impala, NiFi, Kafka, Sqoop, Oozie workflows \n├── 06_shell_scripting/ # Bash automation scripts for pipelines and user ops \n└── 07_systems_and_design/ # Linux essentials, software paradigms, system diagrams\n```\n\n---\n\n## 🔧 Technologies Covered\n\n- Apache Spark (Scala, Java, PySpark)\n- Hadoop HDFS \u0026 Cloudera integration\n- PostgreSQL, MongoDB, Cassandra\n- Kafka, NiFi, Sqoop, Oozie, Hive, Impala\n- Bash scripting for DevOps-style tasks\n- Object-Oriented Programming and Algorithms\n- Modern software engineering and system design principles\n\n---\n\n## 📘 Getting Started\n\nTo explore the code:\n\n1. Clone this repository:\n   ```bash\n   git clone https://github.com/leisurelyleon/mastercard-lead-data-engineer.git\n   cd mastercard-lead-data-engineer\n   \n2. Open it in Visual Studio Code or your preferred IDE.\n\n3. Browse each folder independently — each has self-contained examples with inline comments or README.md files when needed.\n\n## 🚨 Disclaimer\nThis repository is intended **strictly for educational and demonstration purposes only.**\n\nNo proprietary code, tooling, or architecture from Mastercard or any affiliated organization is used or reproduced here.\n\nAll configurations, scripts, schemas, and designs are **fictional and simplified** placeholders.\n\nThis repo was created to demonstrate relevant technical skills and organizational competency for potential future job roles.\n\n⚠️ **Do not interpret any files in this repository as being sourced from Mastercard or used in production environments.**\n\n## 🏁 License\nThis repository is licensed under the MIT License. See the LICENSE file for details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fleisurelyleon%2Fmastercard-lead-data-engineer","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fleisurelyleon%2Fmastercard-lead-data-engineer","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fleisurelyleon%2Fmastercard-lead-data-engineer/lists"}