Christian Haumesser
Verified Expert in Engineering
DevOps and Cloud Software Developer
Alameda, CA, United States
Toptal member since June 4, 2022
Christian is an experienced DevOps and cloud software engineer who enjoys collaboration, teamwork, and problem-solving. A strong Python and Go developer, a GCP Professional Cloud Architect, and a happy teammate, he is excited by opportunities to explore new businesses and technologies and bring the benefits of cloud computing to companies of all shapes and sizes.
Portfolio
Experience
- DevOps - 10 years
- Software Engineering - 10 years
- Python - 10 years
- CI/CD Pipelines - 7 years
- Go - 5 years
- Google Cloud Platform (GCP) - 5 years
- Cloud Architecture - 3 years
- Kubernetes - 2 years
Preferred Environment
GitLab CI/CD, Kubernetes, Docker, Google Cloud Platform (GCP), Python, Go, TypeScript, Terraform, Prometheus, ELK (Elastic Stack)
The most amazing...
...thing I've completed is the cloud-native re-architecture from bare metal to Google Cloud Platform (GCP) in 18 months.
Work Experience
Linux Server Admin
Preemo, Inc.
- Managed multi-GPU NVIDIA systems in datacenters to optimize performance for AI/ML workloads and maintain reliability.
- Wrote Ansible code, Prometheus exporters, Python scripts, and operating system imaging code to automate server operations.
- Authored extensive documentation using mkdocs to maintain good communications and facilitate hand-off.
- Managed power and network infrastructure in colocation facilities to provide network connectivity and stable GPU operations.
- Created site-to-site VPNs to interconnect geographically dispersed sites and facilitate cross-connection.
Director of Platform Engineering
UrbanFootprint
- Formulated company and team goals with metrics and feedback loops to align delivery across teams.
- Formulated technology/delivery strategies and designed software architectures and implementation plans.
- Contributed to designing optimal structures and collaboration opportunities within a distributed workforce.
- Mentored software engineers and provided final code reviews for TypeScript, Python, Terraform, and Go.
- Coordinated SOC-II compliance efforts for UrbanFootprint's software platform.
Staff Cloud Engineer
UrbanFootprint
- Collaborated with software engineers to develop and improve CI/CD (GitHub Actions/Terraform Cloud).
- Consulted with the data engineering team to migrate self-managed Airflow DAGs to GCP Cloud Composer.
- Wrote internal tools in Go to automate blue/green deployments with Cloud Run and Terraform Cloud.
- Managed ECS clusters, RDS/PostgreSQL databases, legacy EC2 instances, and miscellaneous services in AWS.
- Created and managed IaC assets in Terraform and migrated legacy Terragrunt assets to Terraform.
Director of Engineering
Public Library of Science
- Led a team of 25 engineers and three additional engineering managers. Oversaw the cross-functional software engineering team's headcount, strategic staffing, and budget.
- Completed cloud-native re-architecture from bare metal to Google Cloud Platform (GCP) in 18 months.
- Reduced code maintenance burden by 60% and entirely eliminated data center hardware.
Senior Engineering Manager
Public Library of Science
- Consolidated disparate DevOps and software engineering teams under common leadership and matrixed Agile squads.
- Collaborated with engineering leaders to design transformational cloud architecture using GCP, Kubernetes, Terraform, and GitLab.
- Coached squads through the Agile process optimizations, including Scrum and Kanban, and managed larger projects.
- Recruited, mentored, and coached engineers using contributions, code reviews, Git insights, Pluralsight, and growth-oriented feedback.
Reliability Engineering Manager
Public Library of Science
- Advocated for DevOps team and projects. Coordinated with software development cadences and product release schedules.
- Optimized reliability by introducing site reliability engineering (SRE) practices.
- Quantified costs of bespoke hardware and software platforms and laid groundwork for the adoption of cloud computing.
Senior DevOps Engineer
Public Library of Science
- Hired to bring modern DevOps practices to the Public Library of Science's bespoke data center environment.
- Contributed to modernizing infrastructure to run on Nutanix and VMWare with HashiCorp Consul and Vault.
- Created tools in Python and Go for automating infrastructure, managing environments, and integrating them with CI/CD.
- Advocated for the adoption of DevOps practices, CI/CD, infrastructure as code (IaC), and cloud computing.
Experience
Configure It All | Cfitall
https://cfitall.readthedocs.io/en/stable/Contactagon
https://gitlab.com/wryfi/contactagonCurriculum Vitae
https://gitlab.com/wryfi/vitaEducation
Juris Doctor Degree in Legal Studies
Santa Clara University - Santa Clara, California, United States
Bachelor of Science Degree in Public Affairs
Indiana University - Bloomington, Indiana, United States
Certifications
Professional Cloud Architect
Google Cloud
SaltStack Certified Engineer
SaltStack
Skills
Libraries/APIs
Node.js, React, SQLAlchemy
Tools
Git, GitLab CI/CD, Terraform, ELK (Elastic Stack), Jenkins, VPN, AWS IAM, Amazon CloudFront CDN, Amazon Virtual Private Cloud (VPC), Ansible, TeamCity, SaltStack, VMware, Vagrant, Vault, Amazon Elastic Container Service (ECS), GitHub, Google Cloud Composer, Apache Airflow
Languages
Python, Go, Bash Script, SQL, JavaScript 6, TypeScript, Python 3, Java, JavaScript
Paradigms
DevOps, Agile Workflow, Continuous Delivery (CD), Continuous Integration (CI), Automation, Management, Quantitative Research
Platforms
Debian, Linux, Debian Linux, MacOS, Docker, Google Cloud Platform (GCP), SolrCloud, Amazon Web Services (AWS), AWS Lambda, Kubernetes, OpenBSD, Ubuntu Linux, Amazon EC2
Frameworks
Django, Flask, Twisted
Storage
MySQL, PostgreSQL, Elasticsearch, Redis, Data Pipelines, Cassandra
Industry Expertise
Telecommunications
Other
Technical Documentation, Virtual Machines, DevOps Engineer, Email, Mail Servers, SSH, Prometheus, Cloud Architecture, Data Architecture, Software Architecture, Configuration Management, Orchestration, Software Engineering, CI/CD Pipelines, Agile Coaching, Coaching, Team Leadership, Infrastructure, Networking, Networks, Amazon RDS, Cloud, Containerization, AWS DevOps, CORS, DocumentDB, Music, Infrastructure as Code (IaC), Cloud Engineering, Big Data Architecture, Statistics, Quantitative Analysis, Public Speaking, Policy, Government, Law, Business Law, Legal Research, Legal, Research, Publication, Budgeting, Key Performance Indicators (KPIs), Nutanix, Junos OS, Juniper, IP Networks, VMware ESXi, Consul, Google Cloud Functions, Security, Career Coaching, SOC 2, Remote Work, Business, Architecture, Executive Presentations, Culture Hacking, Corporate Culture, Culture Development, Server Administration, GPU Computing
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring