Senior Full-Stack Developer (C#, .NET, React)

Senior Full-Stack Developer (C#, .NET, React) Technical Leadership Track

Location: Argentina, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Peru, or Puerto Rico
Compensation: USD $4,000–$5,000 per month
Employment Type: Employee of Record (EOR) via Rippling
Reports To: Director of Engineering
About the Opportunity
Our client is a rapidly growing venture-backed SaaS company transforming how businesses operate across one of the world's largest and most essential industries. Their platform powers commercial operations for enterprise organizations across North America, Europe, and Latin America, helping customers streamline pricing, quoting, analytics, data exchange, and operational decision-making. Operating within a multi-billion-dollar global market, the company is building a modern software ecosystem that connects manufacturers, distributors, and service providers through shared data, intelligent workflows, and scalable cloud-based solutions.

With continued growth and product expansion, they are seeking a Senior Full-Stack Developer who can contribute at a high technical level while also providing mentorship and technical leadership across the engineering organization. The Role
This is a hands-on senior engineering position for someone who enjoys owning complex technical initiatives from concept to deployment. You'll work across the entire technology stack, collaborating closely with product managers, engineers, and business stakeholders to build scalable applications that solve real-world operational challenges.

Beyond delivering high-quality software, you'll be expected to influence engineering standards, contribute to architectural decisions, and help elevate the team's technical capabilities. This role is ideal for someone who has already demonstrated leadership through mentoring, technical ownership, or leading key initiatives and wants to continue growing their impact. What You'll Do
Design, develop, and maintain scalable full-stack web applications using C#, .NET, and React

Build and support backend services, APIs, frontend experiences, and data integrations

Take ownership of features and technical solutions from design through production deployment

Partner with product and business stakeholders to translate requirements into robust technical solutions

Contribute to architecture discussions and long-term platform strategy

Write clean, maintainable, and well-tested code following engineering best practices

Participate in code reviews and help maintain a high technical bar across the team

Troubleshoot and resolve issues across the application stack

Actively participate in agile ceremonies, sprint planning, and retrospectives

Mentor engineers and provide technical guidance when needed

What We're Looking For
Required Qualifications
6+ years of professional software development experience

Strong expertise with C#, .NET, and RESTful API development

Solid frontend development experience using React, JavaScript, HTML, and CSS

Experience delivering production applications across the full technology stack

Experience working with relational databases such as SQL Server, PostgreSQL, or MySQL

Familiarity with ORM frameworks such as Entity Framework

Experience building and deploying applications in cloud environments

Strong problem-solving, communication, and collaboration skills

Demonstrated experience mentoring engineers, leading technical discussions, or owning significant technical initiatives

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience

Preferred Qualifications
Previous experience serving as a Technical Lead, Lead Developer, or senior engineer with significant technical influence

Experience guiding technical direction without direct people-management responsibilities

Azure cloud experience

CI/CD, DevOps, and automation experience

Docker and containerization technologies

PostgreSQL optimization and performance tuning

Experience with modern analytics or data platforms, particularly Snowflake

Why Join?
Competitive USD compensation

Flexible working hours

Work remotely from anywhere within the approved LATAM countries

Self-managed PTO

Opportunity to work on products used by large enterprise customers

Direct impact on architecture, engineering standards, and product direction

Exposure to international teams and occasional global travel

Long-term career growth into technical leadership opportunities

Compensation & Employment
Monthly gross salary of USD $4,000–$5,000

Paid in local currency through Rippling

Local taxes, statutory contributions, and employment benefits managed directly by the employer

Full-time remote position aligned with North American business hours