Marcos Henrique

Experience

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  Service One Consulting

  Jan 2013 - Jun 2013

  SAP Consulting Intern
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  CETEC Educacional

  Jan 2014 - Jun 2015

  Helpdesk Intern
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  Backsite Serviços Online

  Aug 2015 - Jul 2019

  Leading a small hybrid application development team with the phonegap and vanilla js framework to optimize performance and deploy applications by automating the generation of these applications for both mobile and desktop applications;Created the connection between Desktop applications in electron like the UI and using python for functions like resizing images and apply filters, besides webscraping and automation of tests with selenium;Created the methodology for creation and publication in production of hybrid apps with cordova;Developed IoT solutions; Show less

  • Lead App Developer

    Jan 2018 - Jul 2019

  • App Developer

    Aug 2015 - Jan 2018
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  Agrotools

  Aug 2019 - Feb 2020

  Full Stack Developer

  Works in projects like a Hands On developer;Git and Azure devops focal point;FullStack application development with RESTFUL C# .NET API on server side and modern frameworks like vue.js, react.js on client side;Development of azure functions as micro services always thinking about distribution security, implementing resilience and performance improvement, using CI/CD of that functions, manipulating tracing with cloud logs in azure storage and an intrinsic tracing with sentry;Decreases request costs by Azure functions by 30% by deploying to the infrastructure team calls through internal ip instead of external ip;Implemented SQL Injection attack prevention by creating a class that implemented NPGSQL;Increased productivity by about 68% in searching for Azure Storage log errors instead of vm logs as previously saved;Improved service performance by 25% with the help of parallelism and async;Decreased API response size by 80% with the gzip compression method. Show less

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  Dasa

  Feb 2020 - Feb 2021

  Workded as a polyglot developer, experimenting with the language that best fits the project on the journey of the paying source, where a project was implemented to communicate with peripherals (such as a card machine) by inserting some design patterns such as command, observable, singleton and strategy in addition to implementing pub/sub and websocket communication, with nodejs, spring, vue and postgres.Created Two tier and N tier applications, always thinking about scalability, high availability, defining caching and security strategies from monoliths and microservices, using aws, gcloud and azure.Collaborated in the architecture of projects picking the right Tech Stack, assisting in the quality of the code design, maintaining test coverage of at least 95%. NodeJs focal point in the Authentications squad, using functional approach.Solved hundreds of vulnerability issues in the fortify of legacy applications in Java, bringing out the best practices of the OWASP Top 10. Show less

  • Software Engineer

    Oct 2020 - Feb 2021

  • System Analyst II

    Feb 2020 - Sept 2020
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  Itaú Unibanco

  Feb 2021 - Apr 2021

  Software Engineer | SRE

  - Recorded daily events and activities in site diary to evaluate process and improve productivity.- Checked technical designs and drawings for adherence to standards.- Prepared and reviewed engineering specifications, scopes of work, schedules of payments and other documents.- Implemented on-site sustainable waste disposal and recycling programs to reduce project environmental impact.- Improved observability on refactoring the shared log library of all internet banking's projects

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  Pagar.me

  Apr 2021 - Feb 2022

  Senior Software Engineer

  - Collaborated on hiring, retention, and promotion of junior engineers.- Estimated project requirements and planned milestones.- Completed code debugging, software troubleshooting, root cause analysis and program reviews.- Completed projects in several dominant cloud-based architectures, including Amazon Web Services and Microsoft Azure.- Documented software design work, including detected faults, project planning discrepancies and other vital data.- Implemented and adopted cloud technologies and best practices for automation, configuration, monitoring and platform scalability. Using C# and node.js- Improved DevOps, including deployment and testing strategies and application monitoring.- Reduced client's impact on deployment adding stagging environment with infrastructure team- Implemented 2FA on entire critical paths Show less

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  Welbe Care

  Feb 2022 - Aug 2023

  Senior Software Engineer

  - Created CDC through CDK on top of Typescript using AWS Kinesis, AWS Aurora Serverless, and S3.- Created Glue crawlers, jobs, and Athena tables using CDK to utilise Quicksight as a dashboard.- Implemented Blue/Green deployment strategy on RDS.- Improved Lambdas' Cold Start time by 30% using Graviton2.- Introduced and promoted a culture of unit and integration tests within the Company.- Created notifications using WebSocket API from API Gateway and Lambdas with CDK.- Served as a former Tech Lead.- Developed numerous microservices with Typescript using tsyringe as IoC.- Implemented Federation into Cognito.- Implemented Chaos Engineering on top of Serverless using AWS FIS Show less

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  VML Enterprise Solutions

  Aug 2023 - Jan 2024

  Senior Cloud Engineer

  - Architected a cloud-native system that leverages serverless technologies for improved scalability and cost savings- Implemented a serverless architecture using AWS technologies that reduced operational costs by 30%- Created a load products application on top of EDA- Optimized cloud resources to ensure optimal performance and cost efficiency- Create a CDC application using Kinesis

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  Welbe Care

  Jan 2024 - now

  Senior Cloud Engineer

  - Acted as a Platform Engineer, providing all infrastructure resources, permissions and guardrails to improve the DX and Security- Implemented SES Observability and improved in 56% the UX communication with all the client- Provided innovative solutions as a Solution Architect to address significant challenges across the entire organization using AWS, introducing a fresh perspective- Reduced in 50% the time to run CI/CD pipelines and the costs by nearly 70%- Created a standard using Step Functions to process thousands of files in less than seconds- Created RFC workflow and with it granted the team more visibility and engagement Show less