Senior Backend Developer, .NET

Ouribank

Senior Backend Developer focused on ASP.NET Core APIs for Ouribank. Collaborating with teams to deliver scalable financial solutions using .NET technologies.

Posted 7/20/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining APIs using ASP.NET Core, C#, and RESTful services, while ensuring code quality through clean architecture and automated testing practices. Proficient in collaborating with cross-functional teams to clarify technical requirements and support the development of critical systems.

Highest-signal resume keywords

C#ASP.NET CoreREST API DevelopmentEntity Framework CoreSQL Server

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreREST API DevelopmentEntity Framework CoreSQL ServerPostgreSQLGitJWT AuthenticationDockerAgile Methodologies

Soft Skills

Team CollaborationKnowledge SharingProblem Solving

Tools & Technologies

DockerGitPostgreSQLAWSRedis

Industry Keywords

MicroservicesClean ArchitectureDDDAutomated TestingObservability

Tech Stack

Tools & technologies

ASP.NETAWSDockerEntity Framework.NETPostgresReactRedisSQL

About the role

Key responsibilities & impact

Develop and maintain APIs using ASP.NET Core (.NET 7 or later);
Participate in the technical refinement of requirements with the team;
Propose technical solutions for new business requirements;
Implement integrations between internal systems and external partners;
Work on the maintenance and evolution of critical systems;
Write clean, testable, and maintainable code;
Participate in code reviews and share knowledge with the team;
Support less-experienced developers when necessary;
Investigate production issues and work on incident resolution;
Work closely with Product to clarify technical requirements.

Requirements

What you’ll need

Strong experience with C# and ASP.NET Core;
Experience building REST APIs;
Knowledge of Entity Framework Core and/or Dapper;
Experience with SQL Server and database modeling;
Knowledge of PostgreSQL;
Experience with Git;
Knowledge of authentication using JWT and OAuth;
Experience with Docker;
Experience with agile methodologies (Scrum).
Availability to work on-site at Av. Paulista three times per week;
Considered a plus
React;
AWS (S3, Cognito, or other services);
Redis;
Microservices;
Clean Architecture;
DDD (Domain-Driven Design);
Automated testing;
Observability (logs, metrics, and tracing);

Benefits

Comp & perks

Meal voucher of R$ 1,173.26/month, no employee contribution.
Food allowance of R$ 924.47/month, no employee contribution.
Additional year-end food allowance of R$ 924.47.
Health and dental plan (Bradesco) with nationwide coverage and co-payment, 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 allowance and professional development incentives.
Partnership with Open English for English language improvement.
Partnership with Allya, an online discounts platform.
Partnership with Zenklub, an online platform focused on mental health.
Partnership with Wellhub (formerly Gympass) — making it easier to take care of your health and well-being, with access to gyms, studios, and experiences that help you feel better every day.
Participation in Profit Sharing (PLR) — according to the collective bargaining agreement.