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# Senior JavaScript Engineer

- **Company:** Symfa Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Artificial Intelligence, Software Debugging, Document Management Systems, MongoDB, Node.Js, Systems Integration, TypeScript, Web Application Frameworks, ReactJS, Backend, Vue.js, AngularJS, Codebase, Front End Software Development, Docker
- **Published:** July 8, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9ebd3b03fca8c16d

## About the Role

* 5+ years of experience in JavaScript/TypeScript development
 * Strong expertise in React (hooks, context, state management)
 * Solid experience with Node.js
 * Hands-on experience with MongoDB
 * Strong debugging skills and ability to work without full system visibility
 * Experience working with large-scale or legacy codebases
 * Ability to navigate poorly documented and heterogeneous systems
 * Experience working in remote environments (Docker, SSH, remote IDEs, etc.)
 * English level B2 or higher.
 * Nice to have:
 * Expertise with other Front-End framework (Angular, Vue)
 * Experience with AI tools and integrations.

## Description

We're looking for a Senior JavaScript Engineer (Node.js + React) with the potential to grow into a Tech Lead role!

You will join a long-term project for a Germany-based company focused on digital transformation and business process automation for SMEs. The core product is a document management system used to streamline internal workflows and improve collaboration.

Major responsibilities:

 * Maintain and extend an existing application (Node.js + React)
 * Debug and resolve complex issues across frontend and backend
 * Implement new features while working within legacy constraints
 * Improve performance, stability, and security of the system
 * Propose and implement incremental architectural improvements
 * Collaborate with the Product Owner and team to clarify requirements
 * Mentor junior developers and contribute to team growth.


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