Quick overview
Job description
What You'll Do
- Design, develop, and maintain a high-quality Web application focused on voice and messaging features (voice calling, chat, real-time notifications, etc.).
- Write clean, maintainable and testable Web applications in Javascript using the latest programming techniques and frameworks
- Collaborate with cross-functional teams to define, design, and ship new features.
- Work with real-time communication protocols, such as WebRTC, SIP, and related messaging and voice frameworks.
- Optimize app performance to ensure smooth voice and messaging functionality, including audio quality, latency, and bandwidth usage.
- Troubleshoot and debug issues related to performance, crashes, and other bugs, ensuring a smooth and stable user experience.
- Own problems and solutions end-to-end, from ideation to deployment
- Experimentation is a key part of your workflow; be data-driven and make the right decisions for our customers
- Deploy your features to millions of users - your work will have an immediate impact.
Who You Are
- A professional Web developer with 5+ years of experience with web app development.
- Experience in Javascript, HTML and CSS, with a deep understanding of web frameworks (React, Marionette).
- Bonus points for experience with real-time communication protocols and technologies like WebRTC, SIP, or similar.
- Knowledge of desktop notifications and managing network connections for real-time updates.
- Familiarity with modern web development tools, Instruments, and the debugging process.
- Understanding of user experience (UX) principles, with the ability to design elegant, simple solutions for complex problems.
- Experience with automated testing frameworks (Unit, UI, Integration testing).
Haystack's AI agent can fill in and submit this application for you. How AI auto apply works
Similar jobs
- AX

Lead Software Engineer - FullstackRecently posted Auto Apply
AXS · Los Angeles · Hybrid · Posted 12 Nov 2026 🇺🇸
DockerNext.jsHTML+15Technology$165k - $185k/yr - AW

Lead Software Engineer - FullstackRecently posted Auto Apply
AEG Worldwide · Los Angeles · Hybrid · Posted 12 Nov 2026 🇺🇸
DockerNext.jsHTML+15Technology$165k - $185k/yr - AF

Staff Software Engineer, Fullstack (Auth Experiences)Recently posted Auto Apply
Affirm · Remote US · Remote · Posted 12 Nov 2026 🇺🇸
OnboardingTriageVue+3Technology$204k - $290k/yr - TA

Developer EducatorRecently posted Auto Apply
Typesafe Ai · San Francisco Office · On-site · Posted 13 Nov 2026 🇺🇸
Instructional DesignLLMTechnologySalary not listed - TR

Senior Full Stack Engineer - Checkout & PaymentsRecently posted Auto Apply
Truemed · Remote · Remote · Posted 13 Nov 2026 🇺🇸
DjangoPythonReact+1Technology$175k - $225k/yr - TT
Full Stack EngineerRecently posted Auto Apply
True Talent Solutions Partners · San Francisco · On-site · Posted 13 Nov 2026 🇺🇸
Next.jsLLMPython+4Technology$230k - $300k/yr - TT
Fullstack Software EngineerRecently posted Auto Apply
True Talent Solutions Partners · San Francisco · On-site · Posted 13 Nov 2026 🇺🇸
OnboardingFirebaseMongoDB+6Technology$160k - $200k/yr - CC
Senior Full-Stack Developer (.NET based)Recently posted Auto Apply
CapTech Consulting · Philadelphia, PA · Hybrid · Posted 12 Nov 2026 🇺🇸
Generative AITechnologySalary not listed - CC
Senior Full-Stack Developer (.NET based)Recently posted Auto Apply
CapTech Consulting · Atlanta, GA · Hybrid · Posted 12 Nov 2026 🇺🇸
Generative AITechnologySalary not listed - CC
Senior Full-Stack Developer (.NET based)Recently posted Auto Apply
CapTech Consulting · Reston, VA · Hybrid · Posted 12 Nov 2026 🇺🇸
Generative AITechnology$90k - $190k/yr - CC
Senior Full-Stack Developer (.NET based)Recently posted Auto Apply
CapTech Consulting · Richmond, VA · Hybrid · Posted 12 Nov 2026 🇺🇸
Generative AITechnology$90k - $190k/yr - CC
MuleSoft DeveloperRecently posted Auto Apply
CapTech Consulting · Columbus, OH · Hybrid · Posted 12 Nov 2026 🇺🇸
AgilePrompt EngineeringTechnology$90k - $180k/yr
