Cory Janowski

CoryJanowski

Software Engineer

Fort Wayne, Indiana, US

ProfessionalSummary

Software engineer with over 5+ years experience in Software Development, Distributed Systems, Data Ingestion, and Cloud infrastructure. I have extensive production experience with Python, Go, IaC, Observability and Ops tooling.

5+
Years Experience
150+
Data Formats Integrated
99.999%
Platform Uptime

WorkExperience

Software Engineer II | Full Stack

Abre

Jan 2024 - Present
  • Spearheaded the development of a cloud-native data integration platform on Google Cloud Platform (GCP) that ingested 150+ education formats via secure APIs/SFTP into BigQuery, which reduced database load by 40%.

  • Fortified data security by containerizing SFTP servers with Docker and Terraform; implemented strict IP allow-lists and key-based authentication, resolving 4 critical vulnerabilities.

  • Engineered a Golang ingestion pipeline in GCP, processing 45+GB zip files and encoding thousands, reducing manual processing by 10+ hours monthly, and improving application availability.

  • Authored detailed documentation for GCP cloud infrastructure utilizing Terraform, slashing new engineer onboarding time by 50% and accelerating project integration by 30% within the team.

  • Led the creation of detailed API documentation, including SFTP protocols, enabling new engineers to deploy code within the first week, improving initial productivity.

  • Developed a structured behavioral interview question set, decreasing time-to-hire by 15% for Software and Data Engineer roles across six-round interview processes; improved candidate quality scores by 20%.

  • Championed a bi-weekly code review program, personally reviewing 30+ pull requests monthly across all experience levels, resulting in a 30% reduction in pre-deployment holds.

  • Collaborated with cross-functional teams to resolve integration complexities, achieving consistent sub-24-hour resolution times for P1 tickets and fostering greater trust across the organization.

Software Engineering | QA

Total Expert

Jun 2021 - Dec 2023
  • Maintained email deliverability for over 10 million daily fintect emails, supporting ongoing marketing campaigns and maintaining 99.98% platform uptime with zero downtime incidents on AWS.

  • Implemented a suite of Python/SQL scripts for automated log analysis, enabling rapid detection of anomalies and reduced the number of high-priority escalations by 20% within six months. Monitored on DataDog and AWS.

  • Optimized SQL queries and database schemas in SQL, leading to a 50% reduction in query execution times and improved overall system performance.

Software Engineer | Wireless/Cellular

Apple Inc

Jul 2015 - Jun 2021
  • Internal Career Development

  • Engineered Python scripts leveraging regular expressions and pattern matching, enabling rapid identification of urgent VIP wireless support tickets, reducing executive escalation response times to less than four hours.

  • Designed and maintained real-time Splunk dashboards visualizing geospatial wireless Key Performance Indicators (KPIs) across major U.S. carriers, cutting issue investigation time by 30% and improving network performance.

TechnicalSkills

Microservices
REST APIs
gRPC
Message Queues
System Design
Distributed Systems
Caching Strategies
Go
Python
Java
C++
PHP
TypeScript
JavaScript
Node.js
Google Cloud Platform
Amazon Web Services
Docker
Kubernetes
Terraform
CI/CD Pipelines
Infrastructure as Code
Cloud Functions
Cloud Storage
IAM
Grafana
OpenTelemetry
Prometheus
Splunk
DataDog
Development
Cloud & Infrastructure
Observability

FeaturedProjects

Showcasing innovative solutions across backend infrastructure, systems programming, and web development

Infrastructure/DevOps

K8s Backend Platform

Production backend deployment platform with Kubernetes and ArgoCD GitOps

A complete infrastructure-as-code solution for deploying and managing backend applications in production using Kubernetes orchestration and ArgoCD for continuous delivery.

<5min
Deployment Time
99.9%
Uptime

Key Features

GitOps continuous delivery
Auto-scaling backend services
Infrastructure as code
PythonKubernetesArgoCDDocker+2
Low Level

CPP-110111

Low-level C++ systems programming with advanced memory management

A comprehensive systems programming project showcasing advanced C++ techniques, custom memory allocators, and high-performance computing patterns.

300% faster
Performance
60% reduced
Memory Usage

Key Features

Custom memory allocators
Lock-free data structures
SIMD optimizations
C++17CMakeBoostIntel TBB+2
Web Application

Ragzzy

Modern customer service application built with JavaScript and cloud architecture

A full-stack customer service platform featuring real-time communication, intelligent routing, and comprehensive analytics dashboard.

<200ms
Response Time
99.9%
Uptime

Key Features

Real-time messaging
Intelligent ticket routing
Analytics dashboard
JavaScriptNode.jsReactExpress+2

Education

Bootcamp - Data Science

Woz U

Feb 2020 - Dec 2020
Completed

Achievements: Graduated

Bachelor of Science - BS, Computer Science

Regis University

Jan 2017 - Feb 2018
CS Foundations, Data Structures, and Algorithms

Studied Computer Science fundamentals

Tetris

Classic block-stacking puzzle game

Stats

Score:0
Level:1
Lines:0

Controls

How to Play

← → : Move left/right

↑ : Rotate piece

↓ : Move down faster

Space : Hard drop

Frogger

Help the frog cross the road and river!

🐸

Stats

Score:0
Lives:❤️❤️❤️
High Score:0

Controls

How to Play

🎯 Reach the green goal at the top

🪵 Jump on logs to cross water

🚗 Avoid cars on the road

⬆️⬇️⬅️➡️ Arrow keys to move

💚 +10 points per forward move

🏆 +100 points for reaching goal