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

Software Developer in Toronto, ON, Canada

Member since June 25, 2018
Fernando is a telecommunications engineer working in his chosen field since 2013. He's gained hands-on experience working in challenging environments as an individual contributor and in leadership positions. 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


  • TradeRev
    AWS, Kubernetes, Amazon EKS, Terraform, Python, Azure DevOps, Bash, Linux...
  • Mobicare
    Amazon Web Services (AWS), Zabbix, Amazon EC2, Amazon S3 (AWS S3), Docker...
  • Odebrecht Oil & Gas
    Cisco, CentOS, Microsoft SQL Server, Windows Server, Linux



Toronto, ON, Canada



Preferred Environment

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

The most amazing...

...Slack bot I developed was for incident management efficiency by integrating it with Slack (channel creation), Azure DevOps (ticket and RCA Page), and Zoom.


  • SRE

    2019 - PRESENT
    • Developed a Slack bot to make incident management more efficient by integrating with Slack, Azure DevOps, and Zoom to create incident tickets, RCA pages, Slack channels, and Zoom meetings.
    • Authored several Terraform modules to provision AWS resources in a centralized and reusable manner.
    • Oversaw the project deliveries to various internal customers with demands in areas such as Data Science, Machine Learning, Computer Vision, Data Engineering, and web development.
    • Build an app using Python (Boto3), GitHub, and running in Kubernetes to ensure that public endpoints in an AWS account would be associated with a WAF firewall.
    Technologies: AWS, Kubernetes, Amazon EKS, Terraform, Python, Azure DevOps, Bash, Linux, Prometheus, HoneyComb, Grafana, Thanos, Istio, Git, GitHub, GitLab, Argo CD, Helm, Splunk, AWS ECS, GitOps, PagerDuty, Slack, Slackbot, Slack API, Zoom
  • Senior Network Analyst

    2017 - 2019
    • 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 running in Docker containers that were receiving more than 100K requests per minute.
    Technologies: Amazon Web Services (AWS), Zabbix, Amazon EC2, Amazon S3 (AWS S3), Docker, ECS, ELK (Elastic Stack), SQL, Continuous Integration (CI), Git, GoCD, Ansible, Linux, Bash, AWS, Linux CentOS 7
  • 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, Linux
  • 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
  • Frameworks

    AWS HA
  • Tools

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

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

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

    Amazon S3 (AWS S3), Microsoft SQL Server
  • Other

    AWS, Site Reliability Engineering (SRE), HAProxy, ECS, Cisco, AWS CodePipeline, GoCD, Site Reliability, Open Policy Agent, Prometheus, HoneyComb, Thanos, Argo CD, GitOps, Slackbot
  • Libraries/APIs

    Slack API


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


  • AWS Certified DevOps Engineer – Professional
    FEBRUARY 2021 - FEBRUARY 2024
    Amazon Web Services Training and Certification
  • Certified Kubernetes Application Developer
    AUGUST 2020 - AUGUST 2023
    The Linux Foundation
  • AWS Solutions Architect Professional
    JANUARY 2020 - JANUARY 2023
    Amazon Web Services Training and Certification
  • AWS Certified Cloud Practitioner
    APRIL 2019 - FEBRUARY 2024
  • 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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