Coperniq (Yc W23) - Full Stack Engineer (Node/React)
silver
Remoto
Argentina
Development
Frontend
Backend
Fullstack
Job Score
100 pts
Remote model (+90)
Development (+10)
Frontend (+10)
Backend (+10)
Coperniq
About us
Coperniq is on a mission to revolutionize the renewable energy industry with cutting-edge software solutions. As a Y Combinator-backed startup, funded by Initialized Capital, we’re building the infrastructure for clean energy contractors to succeed. We’re looking for top-tier talent to scale with us.
Role Overview
We’re looking for a Senior Full Stack Engineer to lead the development and scaling of our platform. As a key member of our small, dynamic team, you’ll collaborate across functions to deliver a seamless and powerful experience for our users. This role requires deep expertise in both frontend and backend technologies, as well as a passion for building robust, scalable systems. If you thrive in fast-paced environments and are excited about making a significant impact in renewable energy, we want to hear from you.
What You’ll Do:
Design, develop, and maintain scalable and secure full-stack solutions.
Build and enhance web applications, ensuring a seamless user experience.
Collaborate closely with product, design, and QA teams to align on requirements and deliver high-quality features.
Define and implement best practices for software development and deployment.
Optimize application performance and scalability for growing user demands.
Mentor junior engineers and contribute to a culture of technical excellence.
Take ownership of technical decisions and contribute to the product roadmap.
What We’re Looking For:
Bachelor’s degree in Computer Science, or a related field, with a deep understanding of software engineering principles.
7+ years of full-stack development experience, with a balanced skill set across frontend and backend. We are looking for profiles that are not purely frontend or backend — typically a 60/40 split in real project work in either direction.
Proficient in our tech stack: AWS, React, GraphQL, TypeScript, Node.js, NestJS, MikroORM, PostgreSQL; experience with GitLab for CI/CD, Docker, and Kubernetes.
Demonstrated experience in designing user interactions on websites, writing server-side API calls, and integrating front-end and back-end aspects of an application.
Strong problem-solving skills, with a track record of working effectively in a dynamic environment.
Excellent English skills and the ability to work as part of a team.
Experience in leading projects, from conception to implementation to feedback integration.
Nice to Have:
Experience in the renewable energy or SaaS industry.
Knowledge of geolocation technologies and real-time data integration.
Familiarity with SOC II compliance and secure development practices.
Implementing voice agents
Implementing docs/images editing/annotating with AI
What We Offer:
A flexible work environment with opportunities for remote work.
The chance to shape the future of clean energy.
A collaborative, high-performance team culture.
Interview Process
Silver Recruiter Screen
Silver Technical Screen (System Design Interview)
Client Technical Screen
System Design Screen
CEO Final Round
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Software Development is one of the most dynamic and constantly evolving fields in the job market. Professionals in this area are responsible for creating, maintaining, and optimizing web, mobile, and desktop applications that impact millions of users daily.
Key languages and frameworks include JavaScript (React, Node.js, Vue.js), Python (Django, Flask), Java (Spring), PHP (Laravel), and TypeScript. Demand for full-stack developers continues to grow, especially in tech companies and startups.
Salaries range from entry-level to senior positions, with growing opportunities for remote work and international freelancing.
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Fullstack developers are versatile professionals capable of working on both frontend and backend of web and mobile applications. They master multiple technologies and can build complete products end-to-end, from the user interface to server infrastructure.
Key skills include proficiency in at least one complete stack (React/Vue/Angular + Node.js/PHP/Python/Java), databases (SQL and NoSQL), REST/GraphQL APIs, Git versioning, CI/CD, and basic infrastructure knowledge (Docker, cloud). Clean architecture, DDD, and testing are important differentiators.
Fullstack developers are highly valued in startups and companies that need versatile and autonomous professionals. The field offers opportunities from junior developer to software architect, with a focus on complete delivery, holistic product vision, and ability to work across multiple application layers.
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