Ciro Santos

Experience

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  M2Software

  Mar 2009 - Jan 2012

  Software Developer

  Maintenance and development of new features for a georeferenced system used by oil and mining companies to support decision-making by the analysis of strategic data about exploration and production.Worked With The Following Technologies:- ESRI GIS Apps (ArcIms, ArcMap, ArcSde)- SQL Server 2000, PHP 5.2- Prototype (JavaScript framework)- C# .NET Framework 3.5- Map Objects 2.0

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  VTEX

  Jul 2012 - May 2014

  Systems Analyst

  Systems Analyst, responsible for the development and maintenance of an rest api responsible for the authorization of all customers of all virtual stores powered by VTEX ecommerce platform, as well the authorization of the modules that composes the VTEX platform at the iterations between them.Worked With The Following Technologies: - C# .NET Framework 4.5- Microsoft ASP.NET WEB API- OAuth 2- OAuth 1- Amazon Web Services- Nunit- Moq- Redis (to distributed cache layer)- MySql 5.5- JQuery- Knockout Show less

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  Cnova - GPA

  Dec 2014 - Apr 2016

  Systems Analyst

  Systems Analyst, part of the team responsible for maintenance and development of new features on a major e-commerce platform on Brazil.Worked With The Following Technologies: - C# .NET Framework 4.5.1 (using Async features)- ASP.NET WEB API- Node JS - ASP .NET MVC- Sql Server 2014- Entity Framework 6- Mongo DB- Microsoft Unit Test Framework- Moq,- TFS- GIT- JQuery- Jenkins

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  Concrete Solutions

  May 2016 - Nov 2019

  Application Development Specialist

  .NET Specialist, executing a technical leader role on financial services projects like the following: ASP.NET Core Rest APIs that compose the internet banking platform of an investment and wealth management bank with clients on Brazil and abroad Working with the following technologies and concepts: - Domain Driven Design- Micro Services- ASP.NET Core (.NET Core 2.0 And 2.1)- Entity Framework Core- Sql Server- Microsoft Azure- Camunda BPM- Docker- Git- MS Test- Moq Show less

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  Act digital

  Nov 2019 - Mar 2023

  Application Development Specialist

  .Net Tech Lead (hands on) building an event-oriented platform with several services to support accounting, management, and regulatory workflows for the consumer banking activities of BTG Pactual.On my daily activities I’m responsible for mentoring team members, implement patterns and best practices to serve as an example to other developers, design libs to support the product development, and handle the development of complex features and critical issues in the platform.The platform is composed by several applications as:- Aws Lambda functions to process high frequency and light data workflows.- Windows Services to process low frequency and heavy data workflows.- Rest API to supply information for a Backoffice portal used by BTG analysts, directors, and partners.All applications that compose the platform are build using Domain Driven Design concepts. Some Technologies used to build the platform applications are:- .NET Framework. Versions: 6, Core 3.1- Relational Data Bases: Postgres, Sql Server- NoSql Data Bases: Aws DynamoDB - Async Communication Services: AWS SQS, AWS SNS- Storages: AWS S3- CI / CD Frameworks: Azure Devops and Aws Code Deploy- Unit Test Frameworks: MS Test, Moq- Version Control: GIT Show less

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  LayerOne Financial

  Mar 2023 - Apr 2024

  Senior Software Engineer

  As a Senior Software Engineer I'm part of two teams and work on muliple modules that composes Layer One's Portfolio Management Platform. My daily resposibilities are: analyzes of requirements from Business Team to design an implement software solutions to improve platform capabilities.Layer One teams also count on me to handle issues that may happen on modules and to provide following elements related to the issue: Software Fix, Issues Explanatation Reports, Test Plan used by QA Team to compose Regression Check Workflow.From business perspective I'm working with folowing themes and concepts:As part of FIX Team:Trading -> STP Module (Straight-through processin): Processing of FIX messages from multiple versions (FIX 4.2, FIX 4.4) and muliple trading platforms to build an automatic workflow to book trade ordersAs part of Business Events Team:Trading -> Bulk Operations -> Options: Construction of services that allow a bulk workflow to Options Exercise/Expiration From technical perspective I'm working with folowwing concepts and technologiesConcurrency Control: Creation of an concurrency control module to coordinate execution of multiple operations from different modules.Back-End Development:- .Net Framework- Back-End Services with WCF.- SQL Server Data Base- ORM: Dapper and Entity Framework - Azure Service Bus for Async Communication Show less

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  JPMorgan Chase & Co.

  Apr 2024 - now

  Senior Software Engineer (Associate)

  Layer One was acquired by Neovest (part of JPMC).We are now working to integrate our capabilities and deliver to our clients an even better Trading and Portfolio Management Platform.