Senior Full-Stack Developer (.NET/React)

Employment Type: Full-time Location Type: 100% Remote Salary: Competitive salaries across LATAM (paid in USD)

Company Information

We are a global IT services company based in Uruguay, serving humans like humans. Our core focus is on providing staffing and delivery team services to companies looking for a strategic partner for their products and services. Our mission is to revolutionize people’s lives through work, individually improving their world and our ecosystem.

• Awarded as one of the best B2B development companies in Latin America by Clutch (2019, 2020, 2021).
• Ranked among the top 10 companies in Argentina by The Manifest.
• Verified as a service provider in Latin America by the Inter-American Development Bank (IDB).
• Proud members of CUTI.

We value people who are collaborative, curious, results-driven, and take ownership. We welcome individuals who want to be themselves, enjoy flexibility, grow, learn, and make a difference wherever the opportunity arises.

Position Overview

We are looking for a Senior Full-Stack Developer (.NET/React) to join our team. You will be working as part of a growth-oriented, purpose-driven, and innovative team building a suite of modern applications and tools used by both internal and external users. This role includes a strong emphasis on Identity and Access Management (IAM), security best practices, and seamless user authentication workflows. You will collaborate closely with engineers, designers, and product teams to deliver robust full-stack solutions that are secure, scalable, and impactful. Your work will directly contribute to the success of systems used by thousands of users across a dynamic environment.

Responsibilities

• Design, develop, and maintain full-stack web applications.
• Implement authentication and authorization features using IAM platforms (e.g., Auth0, KeyCloak, Okta, Azure AD).
• Integrate secure login flows with OAuth 2.0, OpenID Connect, and RBAC.
• Develop user management workflows including registration, login, password reset, and multi-factor authentication (MFA).
• Collaborate with cross-functional teams to ensure fine-grained access control and security compliance.
• Write clean, testable, and maintainable code with a focus on performance and security.

Requirements

Must have:

• 10+ years of experience building modern web applications in a full-stack capacity.
• Strong proficiency in JavaScript and TypeScript.
• Deep understanding of React.js or Vue.js and their core principles.
• Experience developing RESTful APIs using .NET/C#.
• Practical experience with IAM platforms such as Auth0, KeyCloak, Okta, or Azure AD.
• Strong knowledge of OAuth 2.0, OpenID Connect, and Role-Based Access Control (RBAC).
• Experience building secure authentication and authorization flows.

Nice to have:

• Experience with .NET Core, .NET 5 or 6.
• Experience designing relational databases (MS SQL Server is a plus).
• Exposure to NoSQL/document databases.
• Familiarity with microservice architectures and CI/CD pipelines.
• Experience writing automated unit tests across the stack.
• Understanding of modern build tools such as Babel, Webpack, and NPM.
• Experience with responsive web application design and cross-browser compatibility.
• Familiarity with Node.js.
• Experience with Git and tools like VS Code or Visual Studio.
• Familiarity with Agile/Scrum methodologies.
• Strong communication skills and ability to translate business needs into technical solutions.

Company Culture & Values

We guarantee a recruitment process based solely on skills, qualifications, and experience. All candidates will be evaluated based on what they can do — free of bias, prejudice, or discrimination of any kind.

What we offer

• Competitive salaries across LATAM (paid in USD)
• 100% remote work