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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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About Software Development

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.

About Frontend

The Frontend area is responsible for creating the visual interfaces that users interact with on websites and web applications. Frontend professionals combine technical skills with design to deliver intuitive, responsive, and accessible digital experiences.

Key skills include HTML, CSS, JavaScript/TypeScript, frameworks like React, Angular, and Vue, build tools (Webpack, Vite), CSS (Tailwind, Sass), testing (Jest, Cypress), and knowledge of web performance and accessibility (WCAG). Familiarity with design systems and reusable components is a differentiator.

Frontend developers in technology companies are highly valued, especially those who master React, Next.js, web performance, and accessibility. The field offers opportunities from junior developer to frontend architect, with a focus on user experience, performance, and code quality.

About Backend

The Backend area is responsible for all server logic, APIs, databases, and infrastructure that support web and mobile applications. Backend professionals ensure that systems are scalable, secure, and performant.

Key skills include languages like PHP, Java, Python, Ruby, Go, and Node.js, frameworks like Laravel, Spring Boot, Django, and Express, databases (MySQL, PostgreSQL, MongoDB, Redis), software architecture (clean architecture, DDD, microservices), and API security (OAuth, JWT).

Backend developers in technology companies are highly valued, especially those who master microservices architecture, cloud computing, and high-scale performance. The field offers opportunities from junior developer to software architect, with a focus on scalability, security, and efficiency.

About Fullstack

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.

Discover Other Areas

Understand the scope of work, key skills, and tools used in different career areas.

About Digital Marketing

Digital Marketing is a constantly expanding field, driven by e-commerce growth and the need for a strong digital presence. Marketing professionals master tools like Google Ads, Meta Ads, HubSpot, Google Analytics, and automation platforms.

Most sought-after specializations include Growth Marketing, Performance, SEO, Content Marketing, and Growth Hacking. The combination of creativity with data analysis is the most valued differentiator in the market.

The market offers opportunities in both agencies and technology companies, with competitive salaries and remote work possibilities.

About Business Analysis

The Business Analyst (BA) is the professional responsible for identifying problems, opportunities, and solutions in organizational processes, acting as a bridge between business areas and the technology development team. They gather and specify requirements, map value streams, design future processes, and help ensure that software deliveries align with the company's strategic goals.

About Blockchain

The Blockchain area involves the development and implementation of secure and distributed transaction ledgers. Professionals in this field work with smart contract development, cryptography, consensus algorithms, and platforms such as Ethereum, Hyperledger, and Solana, ensuring security and decentralization for various types of applications.

About UX Design

The User Experience (UX) Design area focuses on optimizing the overall user experience when interacting with a product or service. UX professionals conduct user research (UX Research), map journeys, create wireframes, perform usability tests, and define navigation flows to ensure the product is intuitive, useful, and meets users' real needs.

About Human Resources

The Human Resources area is responsible for all people management in organizations, from attracting and selecting talent to developing, retaining, and ensuring employee well-being. HR professionals are fundamental to building strong organizational cultures and engagement.

Key skills include recruitment and selection, compensation and benefits management, learning and development (L&D), organizational climate, employee engagement, labor law, labor relations, and HR tools (Workday, SAP SuccessFactors, Bamboo HR). Knowledge of people analytics and data-driven HR is a differentiator.

HR professionals in technology companies are highly valued, especially those who master employer branding, people analytics, and talent retention strategies. The field offers opportunities from HR analyst to Chief People Officer, with a focus on culture, engagement, and people growth.

Career Guides

Technology Career Guide

Planning, skills, interviews, and professional growth in IT, Data Science, DevOps, and Product.

Read full guide →

Design Career Guide

UX/UI, Graphic Design, Product Design. Portfolio, tools, interviews, and growth in the Design field.

Read full guide →

Marketing Career Guide

SEO, Paid Media, Growth, Content Marketing. Certifications, tools, and strategies to grow in Digital Marketing.

Read full guide →

Finance Career Guide

Financial market, investments, corporate finance, certifications, and strategies to grow in the financial field.

Read full guide →

Communication Career Guide

Journalism, PR, Corporate Communication, Content Marketing, and Multimedia Production.

Read full guide →

Administration Career Guide

Business Management, HR, Logistics, Consulting, Project Management, and Entrepreneurship.

Read full guide →

Data Career Guide

Data Science, Data Engineering, BI, Machine Learning, and AI. From training to the job market.

Read full guide →

Product Career Guide

Product Management, Product Ownership, Agile, Scrum, and OKRs. From strategy to execution.

Read full guide →

Tech & Remote Glossary

Stop getting lost in interviews and job descriptions

The job market, especially within tech and global companies, has developed its own dialect. Not understanding these acronyms can make you lose valuable opportunities or poorly negotiate your contract. To end this problem, we created the Definitive Glossary for the Remote Professional.

🏢 Work Models & Routine

Async (Asynchronous Work)
A communication model where responses don't need to be immediate. Instead of back-to-back meetings, the team relies on well-structured documents, threads, and messages. It's the gold standard for global companies spanning multiple time zones.
Sync (Synchronous Work)
The opposite of Async. It requires the team to be online and available at the same time for meetings, live chats, and real-time collaboration.
Daily / Stand-up
A quick daily meeting (usually 15 minutes) common in Agile (Scrum) methodologies. The team answers three questions: What did I do yesterday? What will I do today? Are there any blockers?
All-Hands / Town Hall
A company-wide meeting involving all employees. Usually led by the founders (C-Levels) to present results, new goals, and answer team questions.
1:1 (One-on-One)
A recurring individual meeting between a professional and their direct manager. It is used for career alignment, feedback, and problem-solving, not just for project status updates.

💰 Contracts, Benefits & Compensation

PTO (Paid Time Off)
Instead of strict, categorized leave policies, modern US companies usually offer a flexible pool of days (e.g., 20 days of PTO, or even "Unlimited PTO") that you can use for vacations, sick days, or personal matters, while receiving your regular compensation.
Equity / Stock Options
Company ownership. The startup offers you the right to buy shares at a heavily discounted strike price in the future. If the company grows, goes public, or is acquired, these shares can be highly lucrative.
Vesting (Vesting Schedule)
The rule that controls your Equity. It usually lasts 4 years. You don't get all the shares on day one; you "earn" them gradually as you stay with the company. A "1-year Cliff" means you must stay for at least one year to receive your first batch of shares.
RSUs (Restricted Stock Units)
Unlike Stock Options (where you have the right to buy the stock), RSUs are actual shares the company grants you as a bonus or part of your compensation package, following a strict Vesting schedule.
Independent Contractor (1099 / B2B)
The most common international hiring model for global talent working for US companies. You act as a service provider (business-to-business), receiving the gross salary (often six-figure compensation) without standard local payroll tax deductions at the source.

🤖 Recruitment & Hiring Process

ATS (Applicant Tracking System)
The "robot" that reads your resume. Software like Greenhouse, Ashby, and Workday are used to filter candidates by keywords before a human even looks at the document. (Pro tip: this is why your resume must be clean, semantic, and have the right keywords).
JD (Job Description)
The document that lists the responsibilities, technical requirements, and benefits of the open position.
Cultural Fit
The interview stage that evaluates if your core values, communication style, and worldview align with the company's culture. This is the ultimate test of your Soft Skills.
Onboarding
The integration process. It's the period of your first few weeks at the company, where you get your access credentials, learn about the culture, study the internal documentation, and understand how the product works.

🚀 How to use this to your advantage?

The secret isn't just knowing what these acronyms mean, but using them actively. If during an interview for a premium tech role you ask, "How does your PTO policy and Vesting schedule work?", the recruiter will immediately perceive you as a high-level professional, familiar with the global market standards.

The remote job market requires preparation. And having the right vocabulary is the first big step to securing six-figure proposals and standing out among thousands of applicants.

Expert Tip

The Current State of the Cloud & DevOps Market

By Mondywork | The ultimate guide for tech professionals looking to level up their careers, land global remote roles, and master modern infrastructure.

The End of the "SysAdmin" and the Rise of Platform Engineering

If you've been tracking the most sought-after roles at startups and Fortune 500 companies, you've probably noticed a drastic shift. The Cloud Computing and DevOps market is no longer just about "keeping the app online." Today, companies demand extreme resilience, automation, and cost optimization (the famous FinOps).

DevOps culture has evolved. We are now in the era of Platform Engineering, where infrastructure teams build internal platforms to grant developers full autonomy (Self-Service). For those aiming for global remote roles with six-figure compensation, understanding this transition isn't just a plus—it's a strict requirement.

"Elite DevOps teams deploy code 973 times more frequently and boast a Mean Time To Recovery (MTTR) that is 6,570 times faster than low-performing teams."

— State of DevOps Report (DORA / Google Cloud)

What Do Recruiters and ATS Systems Really Look For?

Automated filters (ATS platforms like Greenhouse, Ashby, and Workday) are hardwired to scan for a very specific set of skills in Cloud/DevOps resumes. Simply listing 20 tools won't cut it anymore; you must demonstrate culture and real-world impact.

  • Infrastructure as Code (IaC): Forget clicking around the AWS console. Declarative tools like Terraform, Pulumi, and Ansible are the true industry standards.
  • Container Orchestration: Mastery of Docker and, above all, Kubernetes (K8s) is practically mandatory for premium roles.
  • CI/CD Culture: Building automated pipelines (GitHub Actions, GitLab CI, ArgoCD) that guarantee continuous and secure deployments.
  • Cloud Providers and Architecture: Proficiency in at least one major public cloud provider (AWS, Google Cloud, or Microsoft Azure), with a strong focus on Serverless, microservices, and system resilience.

How to Transition: The Roadmap to Success

Many Back-End developers, support analysts, and network professionals want to pivot to Cloud and DevOps. If that's your goal, follow this market-validated roadmap:

  1. Master the Basics (Linux and Networking): Modern DevOps runs on Linux. Understanding permissions, processes, bash scripting, and the fundamentals of TCP/IP, DNS, and Load Balancers is your foundation.
  2. Learn to Code: A DevOps engineer doesn't need to be a Senior Developer, but you must know how to automate tasks. Python and Go (Golang) are currently the most highly valued languages in this ecosystem.
  3. Are Certifications Worth It? Yes, especially to get past the initial HR screening. Certifications like the AWS Certified Solutions Architect – Associate or the CKA (Certified Kubernetes Administrator) carry massive weight in the global market.
  4. Build a Real Portfolio: Publish a project on GitHub where you provision infrastructure via Terraform, set up a CI/CD pipeline using GitHub Actions, and deploy a simple app to a Kubernetes cluster. Practical projects always beat theoretical resumes.

Essential References and Study Links

To stay up-to-date, we highly recommend following official organizations and annual market reports:


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