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FOURSYS

Fullstack Senior

North America

July 2, 2026 at 8:06 PM

✨ AI summary

Location

  • United States

Languages

  • Python
  • JavaScript (Node.js)
  • Java (optional)

Frameworks

  • ReactJS
  • Material UI

Databases

  • Microsoft SQL Server (T‑SQL)
  • Sybase

Experience Level

  • 7–10 years professional software development

We are looking for a Senior Fullstack Developer to join a high-impact project focused on building and evolving enterprise-grade applications. The ideal candidate is a seasoned professional with strong experience across both frontend and backend technologies, capable of designing scalable solutions and collaborating with cross-functional, international teams.


Key Requirements:

  • 7–10 years of professional software development experience.
  • Fluent English, with excellent verbal and written communication skills.
  • Strong expertise in ReactJS and Material UI for modern, responsive user interface development.
  • Solid experience with Node.js for backend services and APIs.
  • Proficiency in Python (experience with Java is considered a strong plus).
  • Strong knowledge of SQL and relational database design.
  • Hands-on experience with T-SQL and Microsoft SQL Server.
  • Previous experience with Sybase is highly desirable.


The successful candidate will contribute to the full software development lifecycle, including solution design, implementation, testing, optimization, and maintenance, while ensuring high-quality code and best engineering practices.