Hybrid Senior Backend Developer – .NET Core

at Ouribank

• Job title: Senior Backend Developer – .NET Core
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Cloud, Docker, DynamoDB, SQL, .NET
• Location requirements: Hybrid, Sao Paulo, Brazil

About the role

• Senior Backend Developer responsible for high-performance .NET Core applications at a financial institution. Collaborating on cloud and on-premises solutions with a focus on security and scalability.

Responsibilities

• Develop backend applications using .NET Core and SQL Server, ensuring high performance, security, and scalability.
• Design and implement infrastructure in Cloud (AWS) and on-premises, following architecture and security best practices.
• Define and apply mitigation strategies for risks related to security, performance, and availability, balancing cost, security, and performance.
• Implement authentication and encryption protocols, including RSA, MFA, and JWT (JWE).
• Create and maintain unit tests to ensure code quality and reliability.
• Collaborate with Frontend and Design teams to deliver integrated and efficient solutions.

Requirements

• Strong experience in backend development, with proven work in .NET Core.
• Strong knowledge of microservices-oriented architecture.
• Proven experience with AWS (Lambda, DynamoDB, Fargate, EKS, SNS, SQS).
• Ability to implement mitigation, monitoring, and troubleshooting strategies (advantage: familiarity with Datadog).
• Experience with unit testing and software quality principles.
• Familiarity with DevOps practices and GitLab.
• Experience with Swagger, Postman, and Docker.
• Availability for hybrid work with weekly on-site presence at Av. Paulista.

Benefits

• Competitive salary (CLT employment).
• Meal allowance of R$ 1,173.26/month, no deductions.
• Food allowance of R$ 924.47/month, no deductions.
• 13th food allowance of R$ 924.47 at year-end.
• Bradesco health and dental plan with national coverage and co-participation for you and your dependents.
• Childcare assistance of R$ 697.14 for children up to 5 years and 11 months.
• Group life insurance at no cost.
• Education assistance and professional development support.
• Partnership with Open English for English language improvement.
• Partnership with Allya, an online discounts platform.
• Partnership with Zenklub, an online mental health platform.
• Partnership with Wellhub (formerly Gympass), giving access to gyms, studios, and wellness experiences to support your health and well-being.
• Quick Massage sessions — a short break to renew energy and support physical and mental well-being.
• PAP (Personal Support Program) – specialized support from psychologists, nutritionists, physiotherapists, and physical educators.
• Profit Sharing (PLR) — according to the collective bargaining agreement.