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Mid-Level
Full Stack Engineer (React / TypeScript / Nest.js)
Confirmed live in the last 24 hours
RYZ Labs
Buenos Aires
Remote
Posted March 17, 2026
Job Description
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
reactnodetypescriptgcpaifrontendbackenddataproductdesign
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