Senior Web Developer

Open- CanadaRemoteFull-timesenior

Frontend EngineeringWeb DeveloperSoftware Engineering

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Quick Summary

Overview

We believe communication belongs to everyone. We exist to democratize phone service.

Technical Tools

Frontend EngineeringWeb DeveloperSoftware Engineering

We believe communication belongs to everyone. We exist to democratize phone service.  TextNow is evolving the way the world connects and that's because we're made up of people with curious minds who bring an optimistic, yet critical lens into the work we do.   We're the largest provider of free phone service in the nation. And we're just getting started.

Join us in our mission to break down barriers to communication and free the flow of conversation for people everywhere.

TextNow is looking for an experienced Senior Web Developer to play a key role in the development of our voice and messaging platform on Web. You will be responsible for building high-performance, scalable, and feature-rich mobile applications that integrate voice, video, and messaging capabilities. You will work alongside a talented team of developers, product managers, and UX/UI designers to create intuitive and user-centric experiences.

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.

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).

Listing Details

Posted: September 9, 2025
First seen: March 26, 2026
Last seen: April 22, 2026

Posting Health

Days active: 26
Repost count: 0
Trust Level: 51%
Scored at: April 22, 2026

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Textnow

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TextNow is a telecommunications company providing free phone services through an innovative ad-supported model, empowering users with unlimited talk, text, and data.

Employees

125

Founded

2009

Domain

textnow.com

Jobs

View 12 jobs

View company profile

Salary

CAD 113400–161999

per year