Mid-level .NET Developer

. Develop and maintain .NET applications using C#.

Posted 3/27/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tools & technologies

AngularElasticSearchJavaScriptMongoDB.NETReactSQL

Key responsibilities & impact

Develop and maintain .NET applications using C#.
Develop and maintain web interfaces using JavaScript, Angular, React, and HTML/CSS.
Develop and maintain SQL queries for data manipulation in relational databases.
Perform unit testing and continuous integration.
Work collaboratively in an agile environment using Git and JIRA.
Demonstrate proactivity, resilience, and adaptability in the workplace.

What you’ll need

Bachelor's degree in Computer Science, Information Systems, or a related field.
Certifications in relevant technologies (e.g., AZ-900).
Postgraduate degree in Software Development or related areas.
Proven experience developing with the C# language.
Strong knowledge of .NET Core/5/6+ and/or .NET Framework.
Proficiency in developing RESTful APIs (Web API).
Experience with Git or other version control systems.
Knowledge of Object-Oriented Programming (OOP), design patterns (such as MVC, MVVM), and SOLID principles.
Experience with relational databases such as SQL Server; knowledge of NoSQL databases like MongoDB and Elasticsearch.
Knowledge of DevOps, CI/CD, and containerization.
Plus: knowledge of AI, large language models (LLMs), and Machine Learning.
Strong communication skills and the ability to work in a team.

Comp & perks

Profit sharing: celebrating results is part of Cogna’s culture.
Meal or food allowance: provided via a flexible benefits card.
Health insurance: a comprehensive medical plan with dependent coverage and co-payment option.
Dental care: available to help keep your smile healthy.
Tuition scholarships for undergraduate and postgraduate studies: benefits for you and your dependents (spouse and children) at our educational institutions.
Birthday day off: choose a day to relax and celebrate.
Univers pharmacy partnership: discounts on a range of medications.
Corporate university: multiple learning paths and free courses at our corporate university to help you keep developing with us.
Book discounts: access to discounted titles from our publishers.
Wellhub (Gympass): support for staying active in your daily routine.
Conexa: free psychological counseling to support your mental health.
Ninho Program: a program dedicated to families expecting a new baby.
Valoriza - Internal Recruitment Program: boost your career through internal opportunities.

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

.NETC#JavaScriptAngularReactHTMLCSSSQLRESTful APIsObject-Oriented Programming

Soft Skills

proactivityresilienceadaptabilitycommunicationteamwork

Certifications

Bachelor's degree in Computer ScienceBachelor's degree in Information SystemsPostgraduate degree in Software DevelopmentAZ-900