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Sypth/README.md

πŸ‘‹ Hey, I'm Alexander John M. Camaddo

R&D Software Engineer Β· Backend Engineering Β· Data Engineering Β· Telecom Network Operations Tools

Email LinkedIn Portfolio GitHub

Role Django REST Framework Data Engineering


🌟 About Me

I'm a Magna Cum Laude Computer Science graduate from Systems Plus College Foundation and currently an R&D Software Engineer at Converge ICT Solutions Inc.

My work focuses on building backend systems, data ingestion pipelines, analytics APIs, automation workflows, and internal network operations tools for telecommunications environments.

I work across telecom/network domains such as:

BRAS Β· CGNAT Β· OLT Β· LCP Β· NAP Β· ONU/ONT Β· Ookla/ODL Β· Downdetector Β· ReportDB Alarms Β· Inventory Synchronization

My strongest engineering areas are:

  • Backend API development with Django REST Framework
  • Data ingestion and automation using Python, pandas, Bash, Linux cron
  • Database design and analytics using PostgreSQL, MySQL, raw SQL, JSONB
  • Async/background processing using Redis and Celery
  • Log/data streaming with Kafka, Flink, Kafka Connect, Filebeat
  • Production-style reliability controls such as RBAC, idempotency, advisory locks, tracker tables, audit logs, retries, and dry-runs
  • Cybersecurity learning focused on log analysis, security fundamentals, SOC workflows, and secure backend practices

πŸ’Ό Professional Experience

R&D Software Engineer β€” Converge ICT Solutions Inc.

June 2025 – Present

Building backend systems, analytics APIs, data pipelines, and internal network operations tools for telecom monitoring and automation.

Key areas of work:

  • Developed Django REST Framework APIs and backend services using PostgreSQL, Redis, Celery, Linux cron, Bash automation, OpenAPI documentation, Postman workflows, RBAC, idempotency controls, advisory locks, tracker tables, and automated tests.
  • Worked on BRAS CGNAT logging with Filebeat, Kafka, Flink, Kafka Connect, MinIO/S3, Parquet, and Snappy for end-to-end log streaming and structured storage.
  • Built network-health and OLT latency monitoring APIs using MySQL ReportDB alarms, PostgreSQL topology enrichment, WebSockets, keyset pagination, rotating cache behavior, and Celery snapshots.
  • Developed Speedtest/ODL and Port Utilization analytics, including peak-hour comparisons, statistical metrics, Huawei/ZTE/Nokia ZIP/CSV ingestion, retry handling, and current/historical APIs.
  • Worked on Ookla Data Lake, Downdetector, Datalake Export, LCP ONU Testing, and IM Dump workflows involving high-volume ingestion, async SSH/SFTP exports, workflow automation, evidence uploads, SLA tracking, and inventory synchronization.

Public-safe note: My Converge work involves internal systems, so project details are summarized without exposing private infrastructure, credentials, internal URLs, customer data, or confidential network information.


Full-Stack Developer β€” SPCF ICT Development Unit

September 2022 – May 2025

Worked as a full-stack developer on school and partner-organization systems while completing my Bachelor of Science in Computer Science.

Key areas of work:

  • Built full-stack applications using Laravel, React, React Native, Vue, MySQL, PostgreSQL, REST APIs, and blockchain-related tools.
  • Worked on school systems, healthcare workflows, HR booking/payment flows, mobile gamification, decentralized data workflows, and CMS-driven websites.
  • Created technical documentation, improved legacy code, collaborated with cross-functional teams, and supported database-driven features across web and mobile applications.
  • Received the Excellence in Innovation in Software Development Award for contributions as an ICTDU member.

🧠 Featured Engineering Work

πŸ“‘ BRAS CGNAT Logging Data Pipeline

Validated an end-to-end telecom logging pipeline using:

Filebeat Β· Kafka Β· Flink Β· Kafka Connect Β· MinIO/S3 Β· Parquet Β· Snappy

Focused on collecting raw BRAS CGNAT logs, streaming them through Kafka, parsing session fields with Flink, and writing structured analytics-ready data into S3-compatible storage.


πŸ“Š Ookla Data Lake & Downdetector Pipelines

Worked on high-volume ingestion workflows for Ookla Speedtest, QoE datasets, and Downdetector data.

Highlights:

  • 8 configured Ookla datasets
  • 96 monthly source tables
  • Tracker-based retry and missing-date backfill workflows
  • Dynamic schema adaptation for changing vendor extracts
  • Downdetector 5-minute ingestion windows
  • Synthetic other city reconciliation
  • Incident report generation logic

πŸ§ͺ Ookla Speedtest Backend & Datalake Export API

Built backend workflows for browsing, downloading, exporting, auditing, and monitoring network performance data.

Highlights:

  • Authenticated API workflows
  • SSH/SFTP export jobs
  • ZIP artifact generation
  • Ownership-aware downloads
  • Celery queue separation
  • Retention cleanup
  • Benchmark transfer logging
  • OpenAPI and Postman documentation

πŸ›°οΈ NetOps Tool β€” Speedtest, BRAS Inventory & Port Utilization

Implemented backend analytics and ingestion workflows for network operations.

Highlights:

  • Speedtest/ODL analytics APIs
  • Peak-hour comparison analytics
  • Mean, median, best/worst 10 percent averages, and trimean metrics
  • BRAS inventory enrichment
  • Huawei, ZTE, and Nokia OLT PON ZIP/CSV ingestion
  • Current and historical Port Utilization APIs
  • Tracker records, advisory locks, dry-run validation, and retry behavior

🌐 ViewModem v2 / Network Summary NIAP / OLT Latencies

Worked on backend systems for OLT, LCP, BRAS, and overall network-health monitoring.

Highlights:

  • ReportDB alarm analytics
  • MySQL and PostgreSQL data enrichment
  • OLT latency collection
  • Affected subscriber calculations
  • Regional/provincial/city availability statistics
  • Keyset pagination
  • WebSocket task updates
  • Rotating cache behavior
  • Celery progressive snapshots

🧾 LCP ONU Testing Backend

Implemented backend workflows for structured ONU testing.

Highlights:

  • Activation and deactivation lifecycle
  • Status polling
  • Speedtest, RX power, and ODF evidence uploads
  • Completion acknowledgement
  • SLA reporting
  • Dashboard counters
  • Scenario simulation
  • Cron-safe failed-record automation

πŸ—ƒοΈ IM Dump Inventory Synchronization

Built and maintained inventory synchronization workflows for telecom datasets.

Supported domains:

LCP Β· NAP Β· ONT/ONU Β· ACCESS Β· OLT/BRAS Β· Connection Data

Highlights:

  • Python and pandas CSV ingestion
  • PostgreSQL tables and views
  • Snapshot synchronization
  • Advisory locks
  • Normalized ONT serial upserts
  • File freshness checks
  • Ingestion ledger logging
  • Bash and cron orchestration

πŸŽ“ Education

Bachelor of Science in Computer Science Systems Plus College Foundation Β· Graduated 2025

  • Magna Cum Laude
  • Consistent Dean’s Lister, Academic Years 2021–2025
  • Excellence in Innovation in Software Development Award, 2025

πŸ… Awards & Certifications

  • πŸŽ“ Magna Cum Laude β€” BS Computer Science, Systems Plus College Foundation
  • πŸ’‘ Excellence in Innovation in Software Development Award β€” Systems Plus College Foundation / ICTDU
  • πŸ“‹ Consistent Dean’s Lister β€” Academic Years 2021–2025
  • πŸ† Internet Computer National Competition Finalist
  • πŸ’‘ Smart Innogen Giga 25 Innovator
  • πŸ” TryHackMe Cyber Security 101 Learning Path
  • 🧾 Certiport IT Specialist β€” Python, Databases, JavaScript
  • 🌐 TOEIC Passer β€” 775 points

πŸ› οΈ Technical Toolkit

Backend Engineering

Databases & Data Engineering

Streaming, Pipelines & Infrastructure

Ops, Automation & Testing

Frontend & Earlier Full-Stack Work

Security Learning


πŸ“Š GitHub Stats

GitHub Stats

Top Languages


πŸ”­ Current Direction

I'm continuing to grow in the intersection of:

  • Backend engineering
  • Data engineering
  • Telecom/network monitoring
  • Distributed log pipelines
  • Internal developer and operations tooling
  • Cybersecurity fundamentals
  • Security analysis and secure backend engineering

My long-term goal is to become a stronger engineer who can bridge software engineering, data systems, network operations, and cybersecurity.


πŸ“¬ Let's Connect


Pinned Loading

  1. spcf-coMeLex/attend.ly spcf-coMeLex/attend.ly Public

    πŸ—“οΈ Next Gen Web3 Attendance App (Built with React Native & ICP)

    JavaScript

  2. school-web-prototype school-web-prototype Public

    JavaScript

  3. spcf-coMeLex/attend.ly-backend spcf-coMeLex/attend.ly-backend Public

    PHP

  4. spcf-easemind/easemind-juno spcf-easemind/easemind-juno Public

    JavaScript

  5. spcfictdu/hrbms-api spcfictdu/hrbms-api Public

    Hotel Reservation and Booking Management System

    PHP 2 1

  6. school-web-backend school-web-backend Public

    Creating a secured REST API for my custom school content management system.

    PHP