Rolando Valenzuela
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Senior Software Engineer
Hermosillo, Sonora, Mexico
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- SSenior Software Engineer Consultant public Remote experienceApr 2022 - Current (3 years 3 months)- News and Financial Stocks App, backend developer using NodeJS, working on top of AWS Lambda and API Gateway and DynamoDB as a database. - Optimization legacy systems in a retail, inventory and logistics company using NodeJS with Typescript, PostgreSQL, GraphQL, TDD (Test Driven Dev) with use of Jest, Locust for tests and AWS CloudWatch and ECS. - Financial Credit App, using Go to optimize app workloads, PostgreSQL, CircleCI, AWS EKS deployment. I have participated in foureprojects at Wizeline: - Factset, currently improving the core data system backend using Go, EKS, Github, Dremio, GraphQL, Apache Arrow and GRPC.
- DSenior Software Engineer public Remote experienceDobcon @Sillicon ValleyJul 2021 - Apr 2022 (10 months)- Responsible for creating a new software architecture for a new product for DevOps users that implies the usage of different Devops tools like Jenkins, Gradle, Docker, Gitlab and others to manage and create dynamic pipelines to fit the project. - Create API REST and Web Socket environment to configure tools and manipulate the data between configuration and usage of the tools. - Dashboard implementation retrieving data from the different tools that compose the pipelines, by doing this we achieved a MVP to launch beta to market.
- ILead Devops / Site Reliability EngineerINEFeb 2021 - Jul 2021 (6 months)- Architect of the software solution for the use of the internal system for collecting data and connection with the federal electoral institute. Part of the Reliability and Systems Implementation team live during the election. - Use of systems based on ReactJS for its deployment and live optimization, validation of the PHP-based architecture as a backend requirement and management of test environments for both languages / frameworks. - Use and deployment of infrastructures as a service in Google Cloud Platform and Amazon Web Services, as well as the use of clustering in databases based on PostgreSQL as well as NOSQL based on Firebase for implementation. - Developer of the continuous integration platform with Bash, with pipelines with term
- DSoftware EngineerDynatech Parques IndustrialesDec 2019 - Apr 2021 (1 year 5 months)- Making integration with GIS to implement interactive dashboards. Golang, ReactJS and MongoDB the technologies used. - Develop machine learning models and data engineering techniques to obtain KPIs. Python for ETL techniques: Pandas, Numpy, Scikit learn/sklearn (regression and classification), Facebook Prophet (for time series). - *This is my thesis app in development.
- FLead Software EngineerFarmeaseJun 2018 - Feb 2021 (2 years 9 months)- IoT solutions consultant, from the recollection of software requirements to implementation. - Backend developer using mainly Golang (Gin http framework), NodeJS (ExpressJS, SocketIO) and Python (Flask), depending on implementations performance - Frontend developer with ReactJS, Materialize/Bootstrap CSS making interactive dashboards. - DevOps implementing Gitlab CI/CD, Docker/Swarm, Ansible/Puppet and GCP (Google) stack for integration and deployment. - Databases mainly MongoDB with Redis (Caching), MySQL/MSSQL to connect with other software clients. Linux system administrator for all services. - HAProxy for load balance and Nginx implementation for web services.
- PR&D and DevOps EngineerProtocool SAMar 2017 - Jun 2018 (1 year 4 months)- Find and implement new technologies to improve the process of development and deployment for the developers. Using Python stack like Flask and NodeJS for microservices. - 4G(LTE) and IoT techs responsible to recollect metrics and configurations of private networking. - Devops implementation from the usage of github branches, trigger to pipeline in CircleCI/Jenkins and deployment on DigitalOcean IaaS. - Use of Docker/Swarm for all the services deployments. - Intensive usage of Linux.
- MSoftware DeveloperMCHTECApr 2016 - Mar 2017 (1 year)- Develop web backend software using Express HTTP framework in NodeJS by connect multiple IoT devices and giving support to device management. - Frontend development using PugJS/Jade template engine to serve the views of configuration and SCADA like panels for measurement by KPIs. Scripting using Python to grab and process files with data from SFTP from special device connections. - Integration and deployment using AWS IaaS technologies to implement database and services on Linux OS. Usage of MySQL to store data models.
Técnico de soporte de tecnologías de la informaciónUniversidad de SonoraNov 2013 - Apr 2015 (1 year 6 months)
Education
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- Cybersecurity Technologies Postgraduate CourseTecnologico de MonterreyJan 2024 - Current (1 year 6 months)
- Master's Degree en Systems and Technology EngineeringUniversidad de SonoraAug 2019 - Jul 2021 (2 years)
- Bachelor's Degree en Information Systems EngineeringUniversidad de SonoraAug 2011 - May 2016 (4 years 10 months)
Awards
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- DevSecOps Foundation (DSOF)℠ CertificationDevOps InstituteMar 2022 - Current (3 years 4 months)Cert ID 23036292
- DevOps Leader (DOL)® CertificationDevOps InstituteMar 2022 - Current (3 years 4 months)Cert ID 23038720
Publications
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- PPredictive model of the behavior of the value of real estate through artificial intelligence techniquesOct 2020- Advances in research on thesis for the development of the model that allows predicting commercial values of real estate. - Artificial intelligence techniques are used, as well as data mining to manage the knowledge obtained from the analysis of data through information systems.