UI/API Engineer – .NET + React – Data Platform (Remote, USD) (Data Platform Initiative)

Why Join Us

• Competitive salary in USD
• 100% remote work (LATAM)
• Opportunity to work on international projects
• Fast-paced, collaborative, and high-impact environment

About the Role

We are looking for experienced UI/API Engineers to join a high-impact international project focused on building a large-scale data platform. This squad is responsible for the user interface and API layer, delivering performant, scalable, and user-friendly solutions that support the Data Transformation and Cost Basis Calculation squads.

You will work closely with Tech Leads, Python Engineers, Business Analysts, and stakeholders to design, implement, and maintain high-quality UI and API components.

Responsibilities

• Develop and maintain .NET-based backend services and React-based frontend applications
• Collaborate with Python engineers and stakeholders to expose APIs and endpoints for data processing and calculation services
• Ensure high performance, scalability, and maintainability of UI and API components
• Implement unit tests, integration tests, and automated testing practices
• Participate in architecture and design discussions for UI and API layers
• Follow best practices in coding standards, testing, and deployment
• Work in a collaborative, distributed team environment

Qualifications

• 5+ years of experience in full-stack development with .NET and React
• Solid experience building and consuming RESTful APIs
• Strong understanding of frontend frameworks, component-based architecture, and responsive design
• Experience with unit testing, integration testing, and code quality best practices
• Familiarity with cloud platforms, preferably Azure
• Excellent communication skills and advanced English (B2+/C1)
• Experience working in consultative, collaborative teams

Preferred Qualifications

• Experience with large-scale data platforms or financial applications
• Familiarity with CI/CD pipelines and deployment best practices
• Knowledge of data security and governance principles
• Previous experience in consulting or client-facing roles