
Real job — pulled straight from TextNow’s careers page · Verified August 12, 2026 · No reposts.
Job description
TextNow is hiring a Senior Web Developer — a full-time, based in San Francisco, CA role ($149k–$212k). Apply directly on TextNow's careers page below.
Senior Web Developer
Location: San Francisco, CA
Department: Engineering
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).
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Frequently asked questions
What is the salary for Senior Web Developer at TextNow?
The estimated salary range for Senior Web Developer at TextNow is $149,000 - $212,000 USD per year.
What skills are required for Senior Web Developer at TextNow?
The required skills for Senior Web Developer at TextNow include: JavaScript, HTML, CSS, React.
What is the seniority level for Senior Web Developer at TextNow?
Senior Web Developer at TextNow is a Senior level position.
How do I apply for Senior Web Developer at TextNow?
You can view the full description and apply for Senior Web Developer at TextNow on EchoJobs: https://echojobs.io/job/textnow-senior-web-developer-eu9lv.