Fernando Sergio Cardoso Cunha, Software Developer in Toronto, ON, Canada
Fernando Sergio Cardoso Cunha

Software Developer in Toronto, ON, Canada

Member since February 27, 2018
Fernando is a telecommunications engineer who's been working in his chosen field since 2013. He's gained hands-on experience working in challenging environments as an IT coordinator and IT engineer. Fernando joined Toptal to work on projects where he can make a meaningful contribution and deliver real value to his clients.
Fernando is now available for hire




Toronto, ON, Canada



Preferred Environment

Amazon Web Services (AWS), Python, VS Code, Terraform, AWS

The most amazing...

...thing I've done was to create scripts that allowed the development and operations team to save hours every week with automatic deployments.


  • Senior Network Analyst

    2017 - PRESENT
    • Built and maintained a CI/CD pipeline to improve the development and operations performance.
    • Used the concepts of infrastructure as code and began versioning the definitions files to make it possible to track changes more efficiently.
    • Wrote a Bash script to automate deployment to AWS ECS.
    • Configured the dashboards and alarms using ELK, Kinesis, Firehose, and Zabbix.
    • Developed Ansible scripts to automate the deployment of new versions of FreeRadius and HaProxy.
    • Created a FreeRadius solution.
    Technologies: Amazon Web Services (AWS), Zabbix, AWS EC2, AWS S3, Docker, ECS, ELK (Elastic Stack), SQL, Continuous Integration (CI), Git, GoCD, Ansible, Linux, Bash, AWS
  • IT Coordinator

    2014 - 2017
    Odebrecht Oil & Gas
    • Commissioned the telecommunications and IT infrastructure of new ships in South Korea and Singapore.
    • Prepared the budget and monitored the project and IT infrastructure setup on vessels.
    • Analyzed the engineering IT and telecom design.
    • Executed the Dell servers with VMWare with Hypervisor and Windows Servers as the operating system for mission-critical environments (e.g., oil rigs).
    • Set up network equipment such as Cisco switches, Cisco wireless controllers, Cisco Access Point, Riverbed WAN accelerators, Palo Alto firewalls, and Juniper firewalls.
    • Implemented the system's replication feature for the onshore and offshore databases with a very restricted satellite bandwidth.
    Technologies: Cisco, CentOS, Microsoft SQL Server, Windows Server
  • Intern

    2013 - 2014
    Nokia (formerly Alcatel-Lucent)
    • Developed a solution for WiFi-offloading using OpenWRT (Linux) on TP-Link routers to close the GRE tunnels with the network edge gateways on backhaul networks.
    • Assisted the development of commercial and technical offers involving IP network solutions.
    • Supported the development of commercial and technical offers, involving mobile access solutions (LTE and femtocells).
    • Followed up and developed solutions that enabled the technical conditions required by the customer.
    Technologies: OpenWRT, Linux


  • A Script for a CI/CD Pipeline

    I created from scratch the script for a full CI/CD pipeline; using Ansible and Bash scripts to manage AWS resources.


  • Languages

    JavaScript, Bash, Python, SQL
  • Tools

    ELK (Elastic Stack), AWS ECR, AWS ECS, Ansible, AWS CLI, AWS ELB, Terraform, Helm, Bitbucket, Jira, Amazon EKS, GitLab CI/CD, Packer, VS Code, Git, AWS CodeDeploy, AWS CodeCommit, Nginx, Zabbix, Slack
  • Paradigms

    DevOps, Scrum, Continuous Integration (CI), Kanban
  • Platforms

    Linux, Amazon Web Services (AWS), Linux CentOS 7, AWS EC2, Docker, New Relic, Windows Server, CentOS, OpenWRT, Kubernetes
  • Storage

    AWS S3, Microsoft SQL Server
  • Other

    Site Reliability Engineering (SRE), HAProxy, AWS, ECS, Cisco, AWS CodePipeline, GoCD, Site Reliability, Open Policy Agent
  • Frameworks

    AWS HA


  • Bachelor's Degree in Telecommunications Engineering
    2008 - 2014
    Universidade Federal Fluminense - Niterói, Brazil


  • AWS Certified Developer – Associate
    OCTOBER 2018 - OCTOBER 2020
    PSI Services LLC
  • AWS Certified SysOps Administrator - Associate
    JULY 2018 - JULY 2020
    PSI Services LLC
  • AWS Solutions Architect - Associate
    MAY 2018 - MAY 2020
    PSI Services LLC

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