Hi, I'm Jessica Chioma Chimex

I'm a DevOps and Site Reliability Engineer that loves to build and automate things.

Jessica Chioma Chimex

Who am I? 👩🏾‍💻

EDUCATION 🎓

Richfield College

BSc Information Technology

2019 - 2022

TECHNICAL SKILLS 💻

Python
Ansible
AWS
Azure
Bash
GitHub Actions
Jenkins
Gitlab
Docker
Kubernetes
Terraform
Prometheus
Grafana
Loki
ELK Stack
Go
Python
Ansible
AWS
Azure
Bash
GitHub Actions
Jenkins
Gitlab
Docker
Kubernetes
Terraform
Prometheus
Grafana
Loki
ELK Stack
Go
Python
Ansible
AWS
Azure
Bash
GitHub Actions
Jenkins
Gitlab
Docker
Kubernetes
Terraform
Prometheus
Grafana
Loki
ELK Stack
Go
Python
Ansible
AWS
Azure
Bash
GitHub Actions
Jenkins
Gitlab
Docker
Kubernetes
Terraform
Prometheus
Grafana
Loki
ELK Stack
Go

My Work 💼

Patara DCA Deployment

Description:

Dockerized the blockchain backend application, integrating Nodejs, MongoDB, and Redis. Developed CI/CD environment for the backend, automating builds, tests, and deployments using GitHub Actions. Configured NGINX as a reverse proxy to route traffic to the backend service. Implemented Certbot for SSL generation and automated renewal. Implemented monitoring using Prometheus, and Grafana for their blockchain node located in Sui Network.

Technologies Used:

Docker
Nodejs
MongoDB
Redis
GitHub Actions
Prometheus
Grafana

Links:

Patara Indexer Deployment

Description:

Dockerized the Indexer application, integrating Rust and PostgreSQL. Developed CI/CD environment for the indexer, automating builds, tests, and deployments using GitHub Actions.

Technologies Used:

Docker
Rust
PostgreSQL
GitHub Actions
CI/CD

Links:

Patara Portfolio API Deployment

Description:

Dockerized the Portfolio API application, integrating Rust, and Redis. Developed CI/CD environment for the API, automating builds, tests, and deployments using GitHub Actions. Configured NGINX as a reverse proxy to route traffic to the backend service. Implemented Certbot for SSL generation and automated renewal.

Technologies Used:

Docker
Rust
Redis
GitHub Actions
NGINX
Certbot
CI/CD

Links:

Patara Coin API Deployment

Description:

Dockerized the Coin API application, integrating Typescript, and PostgreSQL. Developed CI/CD environment for the Coin API, automating builds, tests, and deployments using GitHub Actions. Configured NGINX as a reverse proxy to route traffic to the backend service. Implemented Certbot for SSL generation and automated renewal.

Technologies Used:

Docker
Typescript
PostgreSQL
GitHub Actions
NGINX
Certbot
CI/CD

Links:

Telex Application Deployment

Description:

Deployed the Telex application to a Kubernetes cluster as a solo project, implementing Helm, ArgoCD, AWS EKS, and Terraform, improving my hands-on understanding of Kubernetes orchestration.

Technologies Used:

Kubernetes
Helm
ArgoCD
AWS EKS
Terraform

Links:

PostgreSQL Backup Tool

Description:

Developed a simple command-line tool for backing up remote PostgreSQL databases either locally or to AWS S3. This tool is designed to streamline the process of creating and storing backups, making it easy to safeguard your data.

Technologies Used:

PostgreSQL
AWS S3
Command-line
Python

Links:

Dockerized Full Stack Web Application

Description:

Dockerized a full stack web application, set up NGINX Proxy Manager for routing, and configured Docker Compose for staging and production environments. Successfully deployed the application with automated scaling and monitoring, improving performance and reliability.

Technologies Used:

React
FastAPI
PostgreSQL
Docker
NGINX Proxy Manager

Links:

Devopsfetch Tool

Description:

Developed a comprehensive server monitoring tool (devopsfetch) that collects and displays system information, including active ports, user logins, and Docker container statuses. Implemented a systemd service for continuous monitoring and logging, ensuring real-time insights into system performance. Created detailed documentation to improve user adoption and understanding.

Technologies Used:

System Monitoring
Bash Scripting
Systemd
Docker
Documentation

Links:

My Work Experience 💼

Lead DevOps Engineer

Patara

Aug 2024 - Present

  • Dockerized blockchain backend application, integrating NodeJS, MongoDB, and Redis, reducing deployment time by 60% and enhancing scalability.
  • Designed and implemented CI/CD pipeline using Jenkins, ensuring 99.9% uptime through zero-downtime deployments. Automated build, test, lint, and deployment processes.
  • Set up NGINX as reverse proxy with Certbot for SSL integration, strengthening API security and reducing SSL certificate renewal time.
  • Implemented Grafana and Prometheus for monitoring Sui Network blockchain node, improving incident response time and visibility.
  • Migrated local Rust API to containerized Docker environment, optimizing build process from 1 hour to 15 minutes.
  • Collaborated on API transition from Rust to TypeScript, reducing build time by 98% (from 15 minutes to 13 seconds).

DevOps Engineer 1 (Remote)

HNG.Tech

Jun 2024 - Aug 2024

  • Engineered multi-environment CI/CD pipeline for Next.js application using GitHub Actions, reducing deployment time by 70% and increasing release frequency from bi-weekly to daily.
  • Implemented DORA metrics to track DevOps performance indicators improving lead time for changes by 40% and reducing mean time to recovery (MTTR) by 60%.
  • Created comprehensive GitHub wiki documentation, decreasing new team member onboarding time and reducing average issue resolution time.
  • Collaborated with development and operation teams to optimize CI/CD pipelines and core infrastructure, resulting in a 25% reduction in build times and a 35% improvement in application performance, measured by average response time.

DevOps Engineer 1 (Remote)

Notus Labs

Jun 2023 - Jun 2024

  • Handled infrastructure development for Notus Network, focusing on wallet integration, frontend setup and CI/CD pipeline implementation resulting in a 40% reduction in deployment time.
  • Architected Explorer application leveraging application load balancer with EC2 deployment improving system availability to 99.95%.
  • Configured Nginx reverse proxy, containerized applications with Docker and automated deployments via GitHub Actions, leading to a reduction in manual operations and increase in deployment frequency.
  • Optimized AWS infrastructure and Route 53 DNS routing, resulting in 20% cost savings and 15% improvement in global access speeds for network services.