04/03/2025 updated
JD
100 % available
Senior System Architect/Integrator with 24+ Years of IT Experience
Croatia
Only remote
Bachelor of Engineering in Information TechnologyC (Programming Language)PHPAmazon Web ServicesAutomationBash ShellUnixCloud ComputingComputer ProgrammingDatabasesLinuxPerl (Programming Language)Infrastructure ManagementIntrusion Detection SystemsVirtual Private Networks (VPN)Python (Programming Language)
System Architecture and Integration
Extensive experience in designing and implementing complex IT systems and integrations, with a focus on mission-critical enterprise environments.
Unix and Linux Systems
In-depth knowledge and understanding of various Unix and Linux variants, including system administration, optimization, and troubleshooting.
Security and Infrastructure
Expertise in designing and managing secure IT infrastructures, including physical surveillance systems, firewalls, and intrusion detection systems.
Database Management
Proficiency in setting up and maintaining various database systems, including MySQL, PostgreSQL, MongoDB. Linux OS preparation for Oracle.
Virtualization and Cloud Technologies
Experience with virtualization platforms like VMware, KVM/QEMU, and Xen, as well as cloud services from providers such as Amazon AWS, OVH, and Hetzner.
Programming and Scripting
Skills in multiple programming languages including C, Bash, Python3, PHP, Perl, and Go, with ability to develop custom solutions and automate processes.
Network Administration
Proficiency in configuring and managing network infrastructure, including load balancers, firewalls, and VPN services.
Extensive experience in designing and implementing complex IT systems and integrations, with a focus on mission-critical enterprise environments.
Unix and Linux Systems
In-depth knowledge and understanding of various Unix and Linux variants, including system administration, optimization, and troubleshooting.
Security and Infrastructure
Expertise in designing and managing secure IT infrastructures, including physical surveillance systems, firewalls, and intrusion detection systems.
Database Management
Proficiency in setting up and maintaining various database systems, including MySQL, PostgreSQL, MongoDB. Linux OS preparation for Oracle.
Virtualization and Cloud Technologies
Experience with virtualization platforms like VMware, KVM/QEMU, and Xen, as well as cloud services from providers such as Amazon AWS, OVH, and Hetzner.
Programming and Scripting
Skills in multiple programming languages including C, Bash, Python3, PHP, Perl, and Go, with ability to develop custom solutions and automate processes.
Network Administration
Proficiency in configuring and managing network infrastructure, including load balancers, firewalls, and VPN services.
Experience
Professional experience10+ years
Freelancer since2016
Languages
EnglishFluentCroatianNative speaker
Project history
Developing and maintaining payment gateway systems and infrastructure.
Worked on FinTech solutions and applications, infrastructure design and maintenance.
Managed hosting services and infrastructure.