#### **About the Mid-Level .Net C\# Developer Role** *JOB \| MID-LEVEL .NET C\# DEVELOPER* *Work Model:* Hybrid/Remote \| *Hiring Type:* PJ (Individual Entrepreneur) *About the Role* Enhancing a corporate financial hub, focusing on banking integrations and payment methods (PIX, Boleto, card acquirers). *Mandatory Tech Stack* .NET Framework 4\.7\.1 \| ASP.NET MVC/Web API \| C\# \| SQL Server \| REST APIs \| IIS \| Windows Server *Technical Requirements* * Financial integrations: PIX, Boleto, bank collections, card acquirers * Consuming REST APIs using OAuth2 and mTLS * Digital certificates (.crt, .key, .pem, .pfx) and TLS/SSL * Error handling, retry mechanisms, idempotency, and traceability * SQL Server (queries, stored procedures, basic data modeling) * Git \| Postman \| Insomnia \| cURL \| OpenSSL *Preferred Qualifications* * Itaú or Santander APIs * Boleto and registered collections * Acquirers: Cielo, Getnet, Rede * Banking certification/testing * ERP/financial systems * High-criticality environments *Expected Profile* A technically autonomous professional with experience in legacy environments and strong end-to-end troubleshooting capabilities. No migration to .NET Core is planned at this time.
João Silva
Indeed · HR
João Silva
Indeed · HR
