Cesar S.
Lead Cloud Engineer
Experience
Aug 2023 - Mar 2024
8 monthsMunich, Germany
Lead Cloud Engineer
Charge-V GmbH
- Responsible for setting up and configure AWS Organizations and Control Tower on company's master organizational account.
- Administer and maintain various AWS services, including EC2, S3, RDS, Lambda, VPC, IAM, etc.
- Monitor system performance, availability, and capacity planning to ensure scalability and reliability.
- Implement and maintain infrastructure as code (IaC) using tools like CloudFormation or Terraform.
- Work closely with development and operations teams to automate deployment processes using CI/CD pipelines (e.g., Jenkins, GitLab CI/CD).
- Develop and maintain scripts for automating routine tasks and infrastructure provisioning.
- Implement automation for monitoring, logging, and alerting to ensure timely incident response.
- Implement and enforce security company guidelines and best practices for AWS environments.
- Configure and manage AWS security services such as AWS Identity and Access Management (IAM), AWS WAF, AWS Shield, etc.
- Collaborate with the Security Team to improve and update security policies and posture.
- Collaborate with development teams to provide agile deployments and optimize application performance and reliability on AWS.
- Provide technical support and guidance to internal teams on AWS-related issues and best practices.
- Participate in cross-functional projects to enhance overall infrastructure and operational efficiency.
Apr 2023 - Jul 2023
4 monthsSenior DevOps Engineer
BetterUp (MindSource customer)
- Design, implement, and maintain highly available, scalable, and secure infrastructure on AWS for our Ruby on Rails applications.
- Develop and maintain CI/CD pipelines on Github to automate the deployment process and ensure smooth delivery of software updates.
- Collaborate with development teams to optimize application performance, troubleshoot issues, and implement best practices.
- Actively worked on the migration of existing systems from Heroku to AWS, ensuring minimal downtime and maximum efficiency.
- Monitor system health, performance, and security, and implement proactive measures to maintain optimal operations.
- Implement infrastructure as code using tools like Terraform or CloudFormation to automate provisioning and configuration management.
- Stay up-to-date with industry trends, emerging technologies, and best practices in DevOps and cloud computing.
- Configured various services on Kubernetes cluster (EKS) integrated with Terraform Cloud for automated deployments.
Dec 2022 - Mar 2023
4 monthsMunich, Germany
Technical Account Manager
Amazon Web Services
- Ensure AWS environments remain operationally healthy whilst reducing cost and complexity.
- Develop trusting relationships with customers, understanding their business needs and technical challenges.
- Using technical acumen and customer obsession, I drive technical discussions regarding incidents, trade-offs, and risk management.
- Consult with a range of partners from developers through to C-suite executives.
- Collaborate with AWS Solutions Architects, Business Developers, Professional Services Consultants, and Sales Account Managers.
- With a bias for action, I proactively find opportunities for customers to gain additional value from AWS.
- Solve a variety of problems across different customers as they migrate their workloads.
Mar 2021 - Sep 2022
1 year 7 monthsMunich, Germany
Application Architect Specialist
Accenture GmbH
- Development of cloud-based services using Node.js, Python, Java, C# and Rust.
- Gitlab CI/CD Pipeline and Terraform configuration and setup.
- Data analysis and modeling for various projects, ETL process definition, data architecture design and implementation.
- Cloud services configuration using AWS, GCP and Azure cloud providers.
- Technical architecture design and documentation, presentation to clients.
- Technical training and coaching junior developers.
- Articles publications on Medium about medical devices and Industrial IoT.
- Proof of Concept project based on Polygon network to store and share medical data using patient mobile phone.
- Planned the redesign of Ruby on Rails workload and managed the migration from Heroku to AWS.
Sep 2019 - Feb 2021
1 year 6 monthsMunich, Germany
Lead Software Architect
Inveox GmbH
- Development of services and APIs using Node.js, Python, Redis.
- Development of solution for object detection using OpenCV.
- Daily code deployments using CI/CD tool (Bitbucket Pipelines).
- Integration between web based UI (HTML/Jquery) with backend services.
- Research and development of camera environment for medical imaging.
- Specification and documentation of development processes based on International Standard IEC 62304 (Medical device software).
- Kafka producer/consumer integration between medical device systems and cloud environment.
Jul 2018 - Dec 2018
6 monthsCuritiba, Brazil
Senior IoT Software Architect
Bematech
- Developed services and APIs using Node.js, Python, Redis, OpenCV.
- Created a custom Raspbian OS disk image using LUKS (Linux Unified Key Setup).
- Modified initramfs scripts to encrypt root file system using hardware-based key at boot process.
- Developed integration with S3, DynamoDB, ElasticSearch, API Gateway, CloudFormation, Lambda, IoT Core, SQS and Rekognition services to acquire, upload and process camera images using AWS SDK.
- Developed API and backend services using Serverless framework and TDD approach (Mocha/Chai).
- Daily code deployments using CI/CD tool (Bitbucket Pipelines).
Jan 2018 - Jun 2018
6 monthsCuritiba, Brazil
Hardware Engineer
Wilson Care
- Hardware prototyping using RaspberryPi, OrangePi and ESP8266 boards.
- Software development to integrate sensors with cloud app.
- API development using MongoDB, Python and Node.js.
- Backend integration with AWS Polly for text-to-speech translation.
- Linux distribution customization to run all services on encrypted environment.
Jan 2017 - Dec 2017
1 yearCuritiba, Brazil
Co-founder / CTO
Fractal IoT
- Software architecture and development of a cloud-based IoT platform.
- Integration with AWS services and industrial devices using LoRa technology and ESP8266 modules.
- Radio propagation R&D using HopeHF modules and EveryNet gateways.
- Mobile application development using ReactJS, Node.js, MySQL and DynamoDB.
Jan 2015 - Dec 2016
2 yearsSantiago, Chile
Lead Software Architect
Zoe Slots
- Planning and execution of Linux servers architecture, disk encryption (using LUKS) and service orchestration using Docker and Kubernetes.
- Customized Linux Ubuntu distribution including security enhancements.
- MySQL database optimization for fast SQL responses from game machines.
- Configuration and management of AWS services/instances (EC2, S3, DynamoDB, ElasticSearch, API Gateway, Lambda, SQS).
- Created and developed Game and Data APIs using Node.js and Redis.
- Unit testing automation with Pytest for build and packaging services.
- AWS Kinesis pipelines setup for real-time data processing.
Jan 2013 - Jun 2014
1 year 6 monthsUnited States
Co-founder / CTO
Road Apps
- Development teammanagement, technical strategic partnerships.
- Independent Software Vendor (ISV) testing and validation of vehicle tracking systems integration running at Java and Tomcat environment.
- SaaS architecture design using AWS services and Salesforce APIs.
- R&D activities to solve complex logistics situations related to vehicle routing problems (VRP).
- Presentation of company services and products at Dreamforce 2013 (San Francisco, CA).
- Linux servers administration running on AWS EC2 instances.
Jul 2012 - Dec 2012
6 monthsSantiago, Chile
Senior Software Engineer
Buho Games
- Software development to integrate slot machines information over network.
- Developed slot machines administration UI using Qt4 and C++.
- Data integration and replication across multiple locations.
- Administration website using CakePHP and MySQL database.
- Linux server administration running at AWS EC2.
Jan 2010 - Dec 2010
1 yearAbu Dhabi, United Arab Emirates
On-siteSenior Software Engineer
CPEEC
- System architecture design and development of construction site data management tool using custom reports built in SQL Report Server.
- Developed integration with MapGuide Enterprise to show construction site information to project managers using CakePHP and MS SQL Server.
- IT support to company employees.
Jan 2007 - Dec 2009
3 yearsLos Angeles, United States
Lead Software Engineer
DBurns Design
- Responsible for system analysis, planning and execution of customer’s projects.
- Development teammanagement and hiring.
- R&D of newWeb technologies and software development best practices.
- Lead developer of special projects using PHP, MySQL and Linux.
- Created and applied development process and documentation standards.
Jun 2003 - Present
22 years 7 monthsEstonia
Founder & CTO
Eworks Labs
- Provide consulting services as Cloud Solutions Architect.
- Software development in Node.js, Python, Golang, Rust, C++.
- Hardware prototyping using RaspberryPi, ESP8266, AVR and STM32 microcontrollers.
- R&D of IoT products and services using Google Assistant and Alexa SDK.
- Chatbot development using Meetup Stream and Facebook Send API.
- Ethereum Smart Contract development using Solidity.
- Crypto wallet integration on top of Ethereum network using Web3.js.
- Integration of smart contracts using Chainlink API.
Languages
Portuguese
NativeEnglish
AdvancedGerman
IntermediateSpanish
IntermediateEducation
Oct 1999 - Jun 2002
UTF-PR
Electrical Engineering · Curitiba, Brazil
Oct 1997 - Jun 1998
PUC-PR
Computer Science · Curitiba, Brazil
Certifications & licenses
Accenture Certified Technical Architect
AWS Certified Solutions Architect Professional
AWS Certified Solutions Architect Associate
CCNA (Cisco Certified Network Associate)
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