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Senior Fullstack Product Engineer (React/Node or Python) at Paired. Paired is a global staffing and recruiting agency that pairs remote work with top-tier talent. We help individuals from around the world connect with great companies that are looking for their specific skill set. Our mission is to provide great jobs to talented people, no matter where they are located.. Senior Product Engineer (Full-Stack). Remote | Full-time. Preferred location: Latin America (Colombia, Mexico, Brazil, Argentina). Portfolio or GitHub required. For our client, we are hiring a Senior Product Engineer to build internal tools, APIs, dashboards, and interactive product experiences used across our company. This is a high-ownership role where you will design and ship real systems from scratch, not just implement tickets. You will work directly with leadership to turn operational problems into clean, scalable software tools.. If you enjoy building real systems that teams rely on every day, this role is for you.. We cover the cost of any developer or AI tools you need (Claude, Cursor, Codex, etc.). Top candidates will have the opportunity to grow with the engineering team as it expands.. What You’ll Build. You will work across projects that support both internal operations and customer-facing experiences.. Internal Tools. Software used daily by our teams across sales, marketing, and production.. Examples include:. Production workflow dashboards. Scheduling and logistics tools. Sales and marketing analytics dashboards. Automation tools that connect internal systems and APIs. These systems directly impact how the company operates.. Product Visualization. You will help build interactive tools that allow customers to explore and configure our products.. Examples include:. Web-based product configurators. Interactive product visualizations. Parametric product options (size, colour, materials). Integration between UI state and visualization engines. We collaborate with designers who create the 3D assets, your focus will be engineering, architecture, and performance.. Website Platform. You will also contribute to the development of our public-facing website.. Examples include:. Product pages and landing pages. Integration with product visualization tools. Performance-optimized frontend architecture. Scalable page structure and SEO optimization. Tech Stack. Frontend. React (TypeScript). Tailwind CSS. Modern component architecture. Visualization. Three.js / WebGL. D3.js / ECharts / Recharts. SVG / Canvas. Backend. Node.js or Python. REST APIs. SQL databases. Infrastructure. AWS (EC2, RDS, S3). CI/CD pipelines. Docker (nice to have). AI-Native Development. We actively use AI tools to accelerate software development.. Examples include:. Claude. OpenAI Codex. Cursor. ChatGPT. AI-assisted IDE tools. These tools are used to:. explore codebases. generate and refactor code. debug complex issues. accelerate feature development. automate repetitive tasks. We encourage engineers to experiment with modern AI development workflows.. We will pay for any developer or AI tools you need to be productive.. What We’re Looking For. Strong candidates typically have:. 4+ years of full-stack engineering experience. Strong JavaScript / TypeScript skills. Experience building production web applications. Experience designing APIs and backend services. Experience building internal tools or operational software. Ability to own projects end-to-end. Nice to have:. Experience with Three.js or WebGL. Experience with data visualization frameworks. Experience building product configurators. Most important: you enjoy building systems that actually get used.. How We Work. Small team, high ownership. Engineers work directly with decision makers. Projects move quickly. Many tools are built from scratch. You’ll ship systems used daily by real teams. Hiring Process. Our process is straightforward:. Portfolio / GitHub review. Short technical conversation. Paid trial project (4–8 hours). The trial project is a small real problem similar to the work you would do in the role, and we pay for your time.. Strong candidates typically complete the process within 7–10 days.. How to Apply. We don’t review resumes.. To apply, send:. GitHub profile or. Portfolio with projects you’ve built. Links to real applications you’ve shipped. Applications without work samples will not be considered.. Include the word “WINDOW” at the top of your application so we know you read the full description.. About the Company. The company designs and manufactures premium window and door systems used across North America.. We design and build our own technology, and we are developing the internal software platforms, visualization tools, and digital experiences that will power the next stage of the company.. Candidates will complete a skills assessment test based on real-world operational scenarios to evaluate problem-solving and decision-making abilities.. Company Location: Colombia.