Ohayou, I'm

Warren Fongang

Software Engineer

More About Me Portfolio
warren

About Me

programming

I am a Software Engineer II with expertise in building scalable infrastructure, distributed systems, and observability platforms. I specialize in designing data pipelines, automating operations, and optimizing system performance at scale. My work has driven significant cost savings, improved reliability, and enhanced developer productivity across organizations.

My Skills

Python
Java
JavaScript
TypeScript
Golang
SQL
Spring Boot
FastAPI
React
Flutter
Docker
Kubernetes
AWS
Kafka
Grafana
ElasticSearch
Kibana
OpenTelemetry
REST APIs
GraphQL
January 2020 - December 2023

Bachelor of Science In Computer Science - Kennesaw State University

Cumulative GPA: 4.0/4.0
Relevant Coursework: Introduction to Software Engineering, Data Structures and Algorithms, Data Mining, Artificial Intelligence, Operating Systems, Parallel & Distributed Computing

2022

Google Data Analytics Professional Certificate - COURSERA

• I learned the different phases of the Data Analysis Process
• I learned about various technologies such as Tableau to visualize data and SQL to process data.
• I also learned about Excel including concepts like pivot tables, charts, VLookups. View Certificate

April 2025 - Present

Software Engineer II - Cloudflare

• Automated generation and validation of new customer networking configurations, eliminating manual errors, saving 400+ hours, and reducing onboarding time by 16%.
• Spearheaded the migration of customer edge networking configurations (GRE/IPsec tunnels, Interconnects) from a monolithic YAML repository into a normalized SQL data model, reducing config duplication by 50% and cutting configuration-related incidents by 85%.
• Designed and built scalable real-time data pipelines using Go, Kafka, and ClickHouse to process per-datacenter GRE/IPsec tunnel health, enabling Grafana dashboards with datacenter-level visibility.

April 2025 - Present

Software Engineer II - Cox Communications

• Led a team of 5 engineers to build an internal monitoring and analytics platform leveraging AWS, Python, and Kubernetes, driving over 8-figure savings by deprecating a third-party tool's costs.
• Designed and built scalable ETL pipelines using PySpark and Kafka to process and enrich 1B+ daily real-time router alarms, filtering noise and appending customer metadata to enable intelligent alerting.
• Implemented a proactive incident detection and automated ticketing pipeline, reducing customer-reported issues by 45% and increasing CSAT by 12%.

January 2024 - April 2025

Software Engineer - HubSpot

• Reduced log storage costs by seven figures and increased retention from 180 to 460 days by converting JSON logs to ORC and optimizing S3 storage with AWS Athena.
• Built end-to-end log, metric, and trace correlation at scale using trace/span IDs and exemplars, reducing root-cause analysis time by 50%.
• Automated OpenTelemetry instrumentation for core internal libraries, feeding 10M+ traces daily into Tempo and reducing debugging time across services.

December 2024 - December 2025

Tech Lead - PACI

• Redesigned Python and Golang APIs using OpenAPI specs with auto-generated TypeScript clients, improving cross-team collaboration and reducing integration errors.
• Spearheaded the migration of the entire frontend codebase from JavaScript to TypeScript, improving type safety and leading to a 35% reduction in bugs.
• Led architectural design and deployment using Kubernetes, Docker, PostgreSQL, and AWS, resulting in zero downtime during peak events and a 3x improvement in deployment reliability.

May 2023 - August 2023

Software Engineer Intern - Amazon Prime Video

• Designed API contracts and APIs using OpenAPI, AWS API Gateway, and Java which increased content delivery on Prime Video Sports from 70 to 150+ Live Events per day.
• Engineered a client library in Python and Java that seamlessly integrated our APIs, reducing integration time from 16 hours to 1 hour for external broadcast partners.
• Deployed and documented the client library with usage examples and code samples using AWS Amplify, HTML, CSS, and TypeScript.

Recent Projects

Vernala Language Learning Platform

Vernala

Language-learning software designed to preserve and teach Cameroon languages through interactive lessons and cultural content.

  • Created ~ 2024
  • Tech Stack ~ TypeScript, Python, React, FastAPI
  • View Online ~ Vernala Backend
Alumni Website

PKFIE Alumni Website

A full-stack platform connecting alumni from PKFIE, featuring member directories, event management, and community engagement tools.

  • Created ~ 2024
  • Tech Stack ~ TypeScript, React, Python, FastAPI
  • View Online ~ pkfalumni.com
Cuswap Rate Aggregator

Cuswap

A rate aggregator platform that compares and consolidates pricing information across multiple services to help users find the best deals.

  • Created ~ 2024
  • Tech Stack ~ TypeScript, Python, React

Contact Me

Email

wfongang@students.kennesaw.edu

Phone

(470)-667-****

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