Senior Fullstack Product Engineer (React/Node or Python)

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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.

Requirements

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.

Benefits

Remote Working for US Company

Exposure to new technology & trend

Competitive Salary

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