Márcio Krüger

Software architect at Techfin ERP Finance (SupplierCard), working on legacy system improvements, pipelines, and continuous evolution of applications and development processes. Main focus areas: .NET application modernization and microservices architecture with emphasis on scalability, continuous integration, and high performance.

• C#
• .NET 8
• .NET 10
• RabbitMQ
• Angular
• Sensedia API Platform
• Oracle
• Azure Pipelines
• AWS
• Docker
• Redis
• SNS
• SQS
• PostgreSQL
• MySQL

Worked as Tech Lead at ASA Investments, on the fixed income squad, facilitating requirements gathering and technical support. Main projects: QCertifica certification authority integration, DocuSign, Offshore Investments, OnShore Investments, new security flow, and Anti-Fraud.

• C#
• .NET 8
• .NET 10
• RabbitMQ
• Angular 19
• Sensedia API Platform
• Azure DevOps
• Azure Pipelines
• GCP
• Keycloak

At Banco Master, on the public payroll loan squad, I took part in regulatory projects and system improvements. Main projects: integration with payroll deduction partners (Nuclea, ZetraSoft, ConsigLog), migration, and modernization of the multi-company project.

• SQL Server
• .NET 9
• .NET 8
• .NET 6
• Events
• Kibana
• DDD
• CQRS
• BDD
• Angular 16
• Docker
• Pipelines
• Microservices
• SQS
• Lambda
• S3
• PostgreSQL
• Git
• GitHub Actions
• SNS

Worked as Senior Software Engineer / Tech Lead at Bancorbrás, responsible for the Payments Platform. Main projects: recurring billing retry, credit bureau (Serasa, Quod), Bancorbrás–Gupy integration, new payment platform flow to meet PCI DSS, BolePix, PIX, and creation of the Integrations Hub, which standardized Bancorbrás accounting integrations.

• SQL Server
• RabbitMQ
• .NET 9
• .NET 8
• .NET 6
• Events
• Keycloak
• Kibana
• DDD
• CQRS
• BDD
• Angular 12
• DevOps
• Elastic
• Elastic APM
• Docker
• Pipelines
• Microservices
• SQS
• Lambda
• S3
• PostgreSQL

Worked on the update and maintenance of Ailos Foundation, focused on standardization and abstraction of capabilities. Served as a technical support point for other areas. Started the structuring of Open Banking (Open Finance) for the Ailos System. Created and supported 38 business domains (microservices), ensuring code quality. Continuously improved DevOps, CI/CD, and pipeline processes using Azure Repos, with Docker, Kubernetes, and AWS integration.

• .NET Core 3.1
• .NET 5
• .NET 6
• RabbitMQ
• WSO2
• Kafka
• Angular
• React
• MuleSoft
• Microservices
• AWS
• CI/CD
• Azure Pipelines
• Azure Repos
• DynamoDB
• EC2
• S3
• Lambda
• SQS
• Node.js
• Docker
• Kubernetes

Analysis and development of Web and Desktop applications with C#, .NET, Razor, Telerik (Kendo UI), WebAPI, HTML5, jQuery, CSS3, Dapper, WCF, and SQL Server. Worked with Azure Pipelines, CI/CD, usability improvements, and performance.

• C#
• .NET
• Razor
• Telerik (Kendo UI)
• WebAPI
• jQuery
• Dapper
• WCF
• SQL Server
• Azure Pipelines

Responsible for Ellevo System demands, improvements, and new features, with team leadership, motivation, and conflict resolution. Owned Ellevo Cloud (IBM Cloud and Azure), FinOps cost optimization, and application performance improvements. Also acted as Product Owner on the Ellevo Next 8 project (Cloud First) and as Tech Lead on the legacy stack in .NET, C#, VB6, and SQL Server.

• C#
• .NET
• VB6
• SQL Server
• IBM Cloud
• Azure
• FinOps
• Product Owner

Requirements analysis and gathering, creating and updating system specifications, building and tracking schedules, and developing and maintaining applications in C#, VB6, ASP, and SQL Server.

• C#
• VB6
• ASP
• SQL Server
• SLA

Development and maintenance of a Web application using ASP, AJAX, VBScript, JavaScript, VB6, C#, .NET, and SQL Server (triggers, stored procedures, and functions). Installation and maintenance of the application on the Windows platform.

• ASP
• AJAX
• VBScript
• JavaScript
• VB6
• C#
• .NET
• SQL Server