Open Source JobHub
  • Jobs
  • Companies
  • Employer Quick Start
  • About Us
  • Blog
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Employer Quick Start
  • About Us
  • Blog

2 senior frontend engineer jobs found

Refine Search
Current Search
senior frontend engineer
Mattermost
13 Apr, 2026
Senior React Platform Engineer
Mattermost
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost is looking for a Senior React Platform Engineer to help us redefine the limits of web application performance and reliability. You will join the Core Web team to lead the evolution of our...
Builder.io
27 Mar, 2026
Senior Software Engineer
Builder.io
About the team: Builder.io’s Fusion engineering team is a fast-growing team focused on developing the Fusion project, an AI Software Engineer that enables Product Managers, Designers and Engineers within an organization to contribute seamlessly to your company's codebase and product. This global team is responsible for innovating ways to accelerate the development of interactive experiences and product features, making product development accessible across the organization. As a Senior Software Engineer, you will... Partner heavily with Product Managers and Design to not just build, but help shape and define world-class product experiences based on technical feasibility and user impact. Own the full feature cycle, from joining customer calls to identify friction points, to architecting the solution, implementation, testing, and verifying success in production. Engineer the bridge between intent and execution: You will build the product that translates a...
  • Home
  • Contact
  • About Us
  • Sponsors
  • Blog
  • In the News
  • Terms & Conditions
  • Privacy Policy
  • Employer
  • Employer Quickstart Guide
  • Post a Job
  • Pricing
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create Resume
  • Sign in
  • LinkedIn
  • Follow us on Mastodon  mastodon
  • Facebook
  • Follow us on Bluesky  Bluesky
© 2026 Powered by Linux New Media USA, LLC