Cristian Posoiu
Solution Architect at Tremend Software Consulting
Romania
Summary
👤
Senior🎓
Top SchoolCristian Posoiu is a solution architect and seasoned technology leader with 15 years of professional experience and 14 years of team-leading expertise driving higher-quality, faster product delivery across startups and consulting engagements. He combines hands-on engineering—from embedded real-time systems to cloud-native, containerized clusters—with strategic leadership as a former CTO, cofounder, and long-time consultant at Tremend. Comfortable managing and mentoring geographically dispersed, cross-functional teams, he is adept at translating complex architectures into scalable, maintainable systems. An active contributor to open-source infrastructure like the Mailu mail server, he focuses on practical DevOps improvements such as automated admin provisioning and IPv6 support. Trained in real-time systems at University POLITEHNICA of Bucharest and certified in project management, he blends rigorous technical foundations with a pragmatic delivery mindset. Colleagues rely on him for innovative technology direction that motivates teams and accelerates product maturation.
15 years of coding experience
25 years of employment as a software developer
Professional Certificate in Project Managament, Professional Certificate in Project Managament at Open University Business School (CODECS)POLITEHNICA București National University for Science and Technology
Github Skills (14)
e-mail10
docker10
mailserver10
docker-compose10
sendmail10
python10
dockers10
send-email10
flask-ask9
flask9
kubernetes8
documentation8
kubernetes-pods8
cicd7
Programming languages (13)
Github contributions (5)
Mailu/Mailu
Jan 2019 - May 2019
Insular email distribution - mail server as Docker images
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:6 commits, 3 comments, 3 issues in 3 months
Contributions summary:Cristian primarily focused on enhancing the admin user creation process within the Mailu email server. They implemented features for automatic admin account creation during startup, including options for different update modes. Additionally, the user updated documentation, particularly regarding Kubernetes deployment and automatic account setup, and made various merge operations. The user also made adjustments to the setup configuration to enable IPv6 support and updated documentation related to the command-line interface.
pop3dovecotdkimdisposablemailbox
cr1st1p/k8s-on-lxd
May 2020 - Feb 2021
Lightweight multi-node, multiple Kubernetes clusters on your local or remote machine, using LXD system containers
Contributions:24 commits, 10 PRs, 20 pushes in 9 months
containersmulti-nodeclusterslibvirtnamespaces
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