TextNow · 4 months ago
Senior Web Developer
Open- United States
Full-time
Hybrid
Senior Level
5+ years expTextNow is the largest provider of free phone service in the nation, dedicated to democratizing communication. They are seeking an experienced Web Developer to develop high-performance web applications that integrate voice, video, and messaging capabilities, collaborating with a talented team to create user-centric experiences.
MessagingMobileSocial NetworkTelecommunications
Responsibilities
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
Qualification
Required
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)
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
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)
Preferred
Bonus points for experience with real-time communication protocols and technologies like WebRTC, SIP, or similar
Benefits
Strong work life blend
Flexible work arrangements (wfh, remote, or access to one of our office spaces)
Employee Stock Options
Unlimited vacation
Competitive pay and benefits
Parental leave
Benefits for both physical and mental well being (wellness credit and L&D credit)
We travel a few times a year for various team events, company wide off-sites, and more
Company
TextNow
Our mission is to break down the barriers to communication and free the flow of conversation for people everywhere.
51-200 employees
H1B Sponsorship
TextNow has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (2)
2023 (8)
2022 (7)
2021 (2)
2020 (2)
Funding
Current Stage
Growth StageTotal Funding
$1M2011-10-19Seed· $1M
Leadership Team
Derek Ting
CEO
Kevin Denny
Chief Financial Officer
Recent News
2025-12-05
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Company data provided by crunchbase