Remote position, only for professionals based in Argentina or Uruguay

We're looking for a full stack engineer with a strong frontend focus to join our lean, high-impact engineering team for a 3–6 month engagement. You’ll play a key role in building and iterating on user-facing experiences that power our energy marketplace, while also contributing to backend services when needed.

This is a high-ownership role where you'll work in a fast-paced startup environment, shipping production-ready features quickly and collaborating closely with a small, highly technical team. We’re looking for someone comfortable wearing multiple hats and leveraging AI-augmented development practices to move fast and deliver impact.

What You'll Do

-Build and enhance modern, responsive frontend applications using React and TypeScript

-Collaborate on backend services using Node.js / Nest.js to support new and existing features

-Work across the stack to deliver end-to-end product functionality in a fast-moving environment

-Partner with product and cross-functional teams to translate requirements into scalable and intuitive user experiences

-Contribute to modernizing and improving the frontend architecture

-integrate with APIs, third-party services, and marketplace systems

-Ship features quickly in a team with frequent production deployments

-Take ownership of features and projects, from design to deployment

-Collaborate closely with a small team where your technical decisions have immediate impact

-Leverage AI tools and workflows to accelerate development and improve productivity

What You Bring

-5+ years of experience in full stack or frontend-heavy engineering roles

-Strong expertise in React and TypeScript

-Experience working with Node.js backend services, ideally with Nest.js

-Proven experience working in startup or small team environments with high ownership

-Solid understanding of REST APIs, async data flows, and modern web architecture

-Ability to move quickly while maintaining code quality and scalability

-Comfortable working across the stack when needed

-Experience using AI coding tools and interest in AI-augmented development workflows

-Strong product mindset and ability to operate in ambiguous, fast-paced environments

Nice to Have

- Experience with marketplace platforms or data-driven products

- Familiarity with cloud environments (GCP preferred)

- Experience with real-time data or event-driven architectures

-Interest in energy, climate tech, or pricing systems