Senior Full-Stack .NET & React

Santex; Comisión de Fomento de Perú; Remote; ARS 136,863,000 - 197,692,000; Full time

Job summary

Santex is seeking a Senior Full-Stack Developer to join its global technology teams. The role emphasizes C#/.NET backend and React/TypeScript frontend development, with strong focus on system integrations, REST APIs, and Azure data workflows.

The ideal candidate will design, build, test, and maintain scalable web applications, while collaborating with architects and business stakeholders. Remote-friendly environment with international collaboration and Azure DevOps deployment support.

Qualifications

• 3-5 years of experience with C#/.NET and frontend React/TypeScript.
• Hands-on Azure Data Factory experience.
• Experience in system integrations and ETL data movement.
• Experience designing, building, and consuming REST APIs.
• Experience with SQL Server, Azure, and Azure DevOps.
• Strong problem-solving and collaboration; ability to work remotely.
• Excellent English communication.

Responsibilities

• Design, develop, test, and maintain web applications using C#/.NET and React
• Build and support backend services, REST APIs, and integrations between business systems
• Develop and maintain Azure Data Factory workflows to extract, transform, and distribute data between enterprise systems
• Create and optimize SQL Server databases, queries, and stored procedures
• Collaborate with architects, developers, and business stakeholders to deliver scalable solutions
• Troubleshoot and resolve application, integration, and data-related issues
• Participate in code reviews and follow development best practices
• Support Azure-based deployments and Azure DevOps processes

Skills

C#/.NET

React

TypeScript

Azure Data Factory

REST APIs

SQL Server

Azure

Azure DevOps

Remote work

English

Tools

React

TypeScript

Job description

Santex is a global Certified B technology company as well as one of North America's fastest-growing companies, according to the Inc. 5000. It’s present in 18 countries and over 100 cities, and headquartered in Argentina with offices in the United States, Mexico, and Peru.

Its two service lines - AI Tech Consulting and AI-Optimized Engineering - help organizations comprehensively adopt technology, expand their capabilities, and improve business outcomes at scale.

The same approach defines its culture: Santex has 80.4% employee engagement (global average: 21%), 8% annual turnover (tech sector: 20-25%), 9,369 training hours invested in 2025 - more than double the global average -, and a 26.5% year-over-year reduction in carbon footprint, achieving carbon neutrality through offsetting.

Santex. A company with purpose and judgement. Yes, it’s possible.

We are an Equal Opportunity Employer and are committed to fostering an inclusive and diverse workplace. We do not discriminate on the basis of race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law. All qualified applicants will receive consideration for employment without regard to any of these factors. We strongly encourage candidates from all backgrounds to apply.

Job Description: Senior Full-Stack Developer

The ideal candidate will have experience with C#/.NET development, API development, system integrations, SQL Server, and Azure technologies, along with strong problem-solving skills and the ability to work independently in a collaborative environment.

Responsibilities

• Design, develop, test, and maintain web applications using C#/.NET and React
• Build and support backend services, REST APIs, and integrations between business systems
• Develop and maintain Azure Data Factory workflows to extract, transform, and distribute data between enterprise systems
• Create and optimize SQL Server databases, queries, and stored procedures
• Collaborate with architects, developers, and business stakeholders to deliver scalable solutions
• Troubleshoot and resolve application, integration, and data-related issues
• Participate in code reviews and follow development best practices
• Support Azure-based deployments and Azure DevOps processes

Qualifications

• 3-5 years of experience developing applications using C#/.NET and modern frontend technologies such as React and TypeScript
• Hands-on experience with Azure Data Factory
• Experience developing system integrations and data movement/ETL solutions
• Experience designing, building, and consuming REST APIs
• Experience with SQL Server, Azure, and Azure DevOps
• Strong understanding of software development best practices
• Strong problem-solving, communication, and collaboration skills
• Ability to work effectively in a remote environment

Advanced English:

• Excellent verbal and written communication skills in English.