About FullStack FullStack is the most transparent IT talent network, connecting highly skilled individuals with top integral companies and Silicon Valley startups for remote, on-demand projects. We focus on building a trusted, high-performance network where talent can thrive in a positive, respectful, and supportive environment. By prioritizing transparency, fair opportunities, and professional growth, we empower our engineers to deliver their best work while collaborating with innovative teams worldwide.

We’re Most Proud Of Offering life-changing opportunities for talented software professionals across the Americas.

Enhancing highly-skilled software development teams of hundreds of the world’s greatest companies.

Our 4.2-star rating on GlassDoor.

Our client Net Promoter Score of 68, twice the industry average.

The Opportunity

Join our talent network and connect with U.S. clients for flexible, project-based development work as a Senior Software Engineer. You will integrate directly into our client's team and work alongside their existing designers and engineers on a daily basis.

What We're Looking For 5+ years of professional software engineering experience.

Advanced English is required.

Successful completion of a four-year college degree is required.

Demonstrated experience developing backend applications using Node.js in production environments.

Proven experience building scalable backend applications with Bun.

Strong proficiency in JavaScript and TypeScript.

Proven experience building modern web applications using at least one JavaScript frontend framework.

Experience working with Vue.js is highly preferred.

Strong understanding of asynchronous programming, event-driven architectures, and API development.

Demonstrated experience designing and consuming RESTful APIs.

Experience working with relational and/or NoSQL databases.

Strong understanding of software architecture, design patterns, and scalable application development.

Experience writing automated unit and integration tests.





Proficiency with Git and modern collaborative development workflows.

Experience with Docker and containerized applications.

Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.

Familiarity with CI/CD pipelines.

Ability to work through new and difficult issues and contribute to libraries as needed.

Ability to create and maintain continuous integration and delivery of applications.

Forensic attention to detail.

A positive mindset and a can-do attitude.

Experience working on Agile / Scrum teams.

Meaningful experience working on large, complex systems.

Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.

Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.

Nice To Have

We’re Seeking Engineers Who Are AI-enthusiastic In Their Workflow.

Professional Experience Or Personal Project Work

With The Following Is a Significant Plus Cursor, Windsurf, or Google Antigravity.

Claude Code, Gemini CLI, Codex, or Copilot CLI.

Work Authorization Requirements

Applicants must be currently authorized to work in the country of this job posting on a full-time basis.

FullStack will not sponsor applicants for work visas now or in the future.

What We Offer Competitive pay.

100% remote work.

The ability to work with leading startups and Fortune 500 companies.

Continuing education opportunities.

Opportunity to grow and expand your career. Our talent network is committed to fostering a diverse, inclusive, and accessible environment where IT professionals can find opportunities that match their skills. We welcome individuals of all races, religions, genders, sexual orientations, national origins, abilities, and experiences.

Our focus is on connecting talent with projects based on qualifications, ensuring a fair and transparent process that values diverse perspectives and global collaboration. Learn more about our Applicants Privacy Notice.

📌 Senior Full Stack Engineer (Node + Vue) - Remote - Latin America (Mar del Plata)
🏢 FullStack
📍 Mar del Plata