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heldergustavo

Helder Gustavo

@heldergustavo
Angola
English, Portuguese
About me
I can design, configure, secure, and troubleshoot your network infrastructure, implement firewall and VPN solutions, strengthen your cybersecurity, and develop software or automation tools for your business. I can also help with IT infrastructure, systems administration, and technical troubleshooting, delivering practical and reliable solutions tailored to your needs.... Read more

Skills

h
heldergustavo
Helder Gustavo
Offline • 
Average response time: 1 hour

See my services

Programming & Tech
I will configure and troubleshoot your cisco network
From$15 / projectMore details
Full Stack Web Applications
I will develop a professional web or mobile app for your business
From$50 / projectMore details

Portfolio

Work experience

Financial_Times

Software Developer

Financial Times • Freelance

Apr 2026 - Present • 4 mos

FinControl — Personal Finance Management App Developed a full-stack application for managing personal finances, including accounts, transactions, budgets, categories, and financial dashboards. Developed software solutions and automation tools to streamline business processes and reduce repetitive manual tasks. Designed and developed web and mobile applications with backend APIs, databases, authentication, and responsive user interfaces.

Ministry_of Defense

Network & Cybersecurity Engineer

Ministry of Defense • Full-time

Jun 2014 - Aug 2024 • 10 yrs 2 mos

Managed network security, including firewalls, VPNs, access control, and troubleshooting. Designed and implemented enterprise network architectures based on business and security requirements. Configured routing, switching, VLANs, network segmentation, and secure connectivity.