Recommended expert
Chitrung Nguyen
Staff Software Engineer - Infrastructure
Experience
Apr 2023 - Present
2 years 11 monthsStaff Software Engineer - Infrastructure
Workpath
- Owning, designing, securing, maintaining reliability of the cloud based platform environments
- Increasing developer productivity and growing the infrastructure team horizontally and vertically to 5 engineers
- Realised infrastructure cost reduction of 50% by utilizing efficient spot instances
- Improved PE developer efficiency by 15% with survey led development process
Apr 2021 - Apr 2023
2 years 1 monthLead Site Reliability Engineer
Workpath
- Halved response time of backend while requests were increasing two fold
- Moved the product from on premise to native cloud on EKS
- Educated engineers on development experience best practices and shaped the organization to adopt these in a formal, repeatable way
- Reduced barriers for engineers to deploy and optimize systems, and actively built bridges between security, development, operations, QA, and customer technical support
- Responsible for managerial tasks such as 1:1s, performance reviews, participating in interview loops, introducing engineering levels
Sep 2018 - Aug 2020
2 yearsInfrastructure Security Engineer
Contentful
- Owning and securing the cloud based content platform production environment
- Led, designed and implemented projects across multiple teams such as a secrets management synchronization component as Kubernetes operator in Golang and a company wide cloud SSO (Okta) roll out across 200 internal apps
- Responsible for corporate security best practices, employee training and SDLC
- Managed the bug bounty program
- Conducted job interviews of candidates
- Supported ISO27001 implementation by facilitating processes and writing policies
Sep 2017 - Aug 2018
1 yearDevOps Engineer
Funke Digital
- Provided general strategic direction of cloud migration and IT security
- Migrated production from on premise data center to AWS cloud platform
- Built and managed a Kubernetes cluster
- Migrated microservices from native execution to container environment
- Automated infrastructure as code with Terraform and Ansible
- Built Jenkins multibranch pipeline
- Built one-command dev environment using docker-compose and docker-machine
- Monitored systems with Grafana
- Aggregated logs with ELK Stack
- Conducted job interviews of potential new hires
Mar 2016 - Aug 2017
1 year 6 monthsBerlin, Germany
IT System Administrator/DevOps
Bytepark
- Planned and executed VMware ESXi3 to ESXi5 migration
- Deployed a Selenium Grid test environment with different hosts (Windows/Linux) and WebDrivers (PhantomJS, Firefox, Internet Explorer, WebKit)
- Designed the hosting infrastructure with Ansible, based on Docker, Nginx, PHP and MariaDB
- Orchestrated containers with Ansible and Docker Compose and designed CI/CD pipelines with GitLab
- Designed and applied security concept for internal IT, infrastructure and employees
Apr 2015 - Nov 2017
2 years 8 monthsIT Consultant/Full Stack Development
Self-Employed
- adIQ: Analyzed and evaluated the existing database; optimized queries and structures
- geoberlin: Fully developed and designed the geoberlin blueprint download app; rolled out the Redmine project management system
- JallousDruckhaus: Webdesign and front end development for clients with Ruby on Rails and Jekyll
- Respatex: Updated the old static page into a mobile-responsive website
- Provided system administration for aforementioned clients' web and database environments
Jan 2012 - Mar 2015
3 years 3 monthsIT Security Test Analyst
T-Systems
- Penetration testing of various systems, databases (including Oracle, MySQL, MSSQL), web applications and servers
- Analyzed and evaluated IT systems; documented security vulnerabilities
Jan 2011 - Dec 2012
2 yearsSoftware Developer
T-Systems
- Developed a tool for statistical analysis of support ticket data
- Implemented as a Joomla plugin in PHP
Skills
Basic
- Adobe Creative Suite
- Sqlite
- Kvm
- Vmware Vcloud Suite
- Elk Stack
- Windows Server 2008
Intermediate
- Html5
- Css3
- Javascript
- Ruby(on Rails)
- Latex
- Git
- Postgresql
- Nginx
- Ansible
- Vagrant
- Nagios
- Grafana
- Aws
- Microsoft Windows & Office Suite
- Golang
Advanced
- Linux (Debian, Rhel)
- Lamp Stack
- Bsd(mac Os X)
- Security Testing
- Docker
- Shellscripting
- Aws(compute, Storage, Iam, Kubernetes, Terraform
Languages
German
NativeVietnamese
NativeEnglish
AdvancedSpanish
ElementaryEducation
Oct 2011 - Sep 2015
University of Applied Sciences for Telecommunications Leipzig
Bachelor of Science Dual Study, Bachelor Thesis Title: Economic Effects of Cyber Attacks on Business Informatics · Business Informatics · Leipzig, Germany
Certifications & licenses
VS-NfD Briefing
Profile
Created
Last Update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Chitrung based?
Chitrung is based in Berlin, Germany.
What languages does Chitrung speak?
Chitrung speaks the following languages: German (Native), Vietnamese (Native), English (Advanced), Spanish (Elementary).
How many years of experience does Chitrung have?
Chitrung has at least 14 years of experience. During this time, Chitrung has worked in at least 8 different roles and for 6 different companies. The average length of individual experience is 1 year and 9 months. Note that Chitrung may not have shared all experience and actually has more experience.
What roles would Chitrung be best suited for?
Based on recent experience, Chitrung would be well-suited for roles such as: Staff Software Engineer - Infrastructure, Lead Site Reliability Engineer, Infrastructure Security Engineer.
What is Chitrung's latest experience?
Chitrung's most recent position is Staff Software Engineer - Infrastructure at Workpath.
What companies has Chitrung worked for in recent years?
In recent years, Chitrung has worked for Workpath.
Which industries is Chitrung most experienced in?
Chitrung is most experienced in industries like Information Technology (IT), Media and Entertainment and Publishing.
Which business areas is Chitrung most experienced in?
Chitrung is most experienced in business areas like Information Technology (IT), Project Management, and Product Development. Chitrung also has some experience in Customer Service, Operations, and Quality Assurance (QA).
Which industries has Chitrung worked in recently?
Chitrung has recently worked in industries like Information Technology (IT).
Which business areas has Chitrung worked in recently?
Chitrung has recently worked in business areas like Information Technology (IT), Customer Service, and Operations.
What is Chitrung's education?
Chitrung holds a Bachelor in Business Informatics from University of Applied Sciences for Telecommunications Leipzig.
Does Chitrung have any certificates?
Chitrung has 1 certificate: VS-NfD Briefing.
What is the availability of Chitrung?
Chitrung is immediately available for suitable projects.
What is the rate of Chitrung?
Chitrung's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Chitrung?
To hire Chitrung, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1200
900
600
300
Market avg: 870-1030 €
Market avg: 870-1030 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Staff Software Engineer - Infrastructure
Nearby freelancers
Professionals working in or nearby Berlin, Germany