Middle Python Full Stack developer

Компания "Sigma Sweden Software AB"

About the Client
US-based SaaS startup and the market leader in demo creation platforms. Founded in Boston in 2018, the company is backed by top-tier VCs (ICONIQ, Bain Capital, Accomplice, Glasswing) and serves thousands of enterprise users worldwide. Reprise has created and now leads the “demo platform” category, helping sales, presales, and marketing teams build interactive software demos without relying on engineering resources.

About the Project
You’ll join the Replicate team, working on the engine that powers application cloning and replay functionality. This involves building low-level browser engines (DOM diffing, serialization, replay systems) and scalable backend solutions. The environment is startup-fast: production deployments happen from day one, and engineers have direct impact on enterprise customers.

Technologies We Use

• Frontend: JavaScript/TypeScript, React/Vue/Solid, DOM & Virtual DOM manipulation, Chrome APIs, Service Workers
• Backend: Python (Django, Flask)
• DevOps: Docker, Kubernetes, cloud platforms
• Practices: CI/CD, TDD, code reviews, fast release cycles

What You Will Do

• Design, develop, and optimize core functionality in the Chrome extension, editor platform, and replay rendering system

• Implement efficient algorithms for DOM diffing, tree traversal, and state synchronization

• Write production-ready code in TypeScript (frontend) and Python/Django/Flask (backend)

• Debug production issues and contribute to CI/CD pipelines

• Collaborate with product managers, senior engineers, and tech leadership to shape technical decisions

• Mentor junior teammates and share best practices in the team

Qualifications

• 3+ years of experience with JavaScript/TypeScript (React, Vue, or similar frameworks)

• Solid knowledge of DOM structures, Virtual DOM, client-side rendering

• Experience with browser-based technologies (Chrome APIs, Service Workers, extensions)

• Good understanding of data structures, algorithms, OOP

• Hands-on experience with Python (Django or Flask) and REST API integration

• Familiar with Docker, Kubernetes, cloud deployments

• Comfortable with Agile workflows and frequent releases

• Upper-Intermediate English

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