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Unlimited leave · Software Engineer

Senior Web Developer

TextNow, Inc. · San Francisco · United States

USD 113k–162k / year Posted Open until 18 Oct 2026

The job, in the employer's words

 

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.  

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). 
$113,400 - $161,999 a year
CAD Salary Range: 113,400 - 162,000 
USD Salary Range: 123,900 - 177,000 
NYC, CT, NJ, Seattle, LA, San Diego USD Salary Range: 136,380-194,700 
San Francisco / Bay Area USD Salary Range: 148,700 -212,400 
 
Final compensation will be determined based on a number of factors, including skills, experience, location and on-the-job performance. We’re committed to paying competitively to hire and retain high-caliber talent. We recognize that exceptional talent may fall outside of these ranges; we encourage all qualified candidates to apply even if their compensation expectations are outside of the listed range.
 
This posting is for a future talent pool.
More about TextNow 
 
Our culture 
We’re proud of the culture that we’ve built at TextNow, but one of the most common questions we hear is ‘how do you continue to sustain it as the world and the company continues to change?’ The reality is that we’re only able to keep up because each and every TextNovian contributes to our culture through being involved, by living our values, sharing feedback, embracing change and more!  
 
 
Our values 
Customer Obsessed 
We strive to have a deep understanding of our customers. 
 
Do Right By Our People 
We treat each other with fairness, respect, and integrity. 
 
Accept the Challenge 
We adopt a "Yes, We Can" mindset to achieve ambitious goals. 
 
Act Like an Owner 
We treat this company like it's our own... because it is! 
 
Give a Damn 
We are deeply committed and passionate about our work and achieving results. 
 
 
Our benefits and more 
This is a brief overview of the benefits that TextNow offers its employees. More complete details can be found in TextNow’s Benefit Guide and legal plan documents, which are available to employees on or shortly after their start date with TextNow. The benefits listed herein are for illustrative purposes only and may change from time-to-time in TextNow’s sole discretion. 
 
Free phone service 
Strong work life blend  
Flexible work arrangements (work-from-home, remote, or access to one of our office spaces) 
Employee stock options  
Unlimited vacation  
12 paid holidays per year 
Competitive pay 
Health, dental, and vision benefits 
Short-term & long-term disability 
$750 annual wellness benefit or healthcare spending account 
RRSP matching (Canada) | 401(K) (USA)  
Parental leave for eligible employees 
Learning & Development opportunities
We travel a few times a year for various team events, company-wide off-sites, and more 
More information about our total rewards package will be available during the hiring process. 
 
Dogfooding & Customer Obsession 
At TextNow, every employee gets to actively use our app for calling and texting. Dogfooding helps us experience what customers do, to spot issues early, and drive better design, developer, and user experiences. 
 
Diversity and Inclusion 
Our aim is to make every person who joins TextNow feel like they belong, that they’re valued, and that they’re able to be their authentic selves at work.  
We’re all accountable for creating an inclusive culture and a sense of belonging for one another. By doing this together, we’ll make TextNow better for everyone.  
 
Equal opportunity 
We are an equal opportunity employer and are committed to creating an inclusive environment for all employees. We consider all qualified applicants without regard to race, color, religion, sex, gender identity or expression, sexual orientation, age, disability, or any other protected characteristic. 
 
Applicants who require reasonable accommodation during the hiring process may contact our Talent Team. 
 
AI usage: We use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact our Talent Team.
 
TextNow Candidate Policy 
By submitting an application to TextNow, you agree to the collection, use, and disclosure of your personal information in accordance with the TextNow Candidate Policy 
 

Benefits mentioned

  • This is a brief overview of the benefits that TextNow offers its employees. More complete details can be found in TextNow’s Benefit Guide and legal plan documents, which are available to employees on or shortly after their start date with TextNow. The benefits listed herein are for illustrative purposes only and may change from time-to-time in TextNow’s sole discretion.
  • Free phone service
  • Strong work life blend
  • Flexible work arrangements (work-from-home, remote, or access to one of our office spaces)
  • Employee stock options
  • Unlimited vacation
  • 12 paid holidays per year
  • Competitive pay
  • Health, dental, and vision benefits
  • Short-term & long-term disability
  • $750 annual wellness benefit or healthcare spending account
  • RRSP matching (Canada) | 401(K) (USA)
  • Parental leave for eligible employees
  • Learning & Development opportunities
  • We travel a few times a year for various team events, company-wide off-sites, and more
  • More information about our total rewards package will be available during the hiring process.

Requirements mentioned

  • 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).
  • $113,400 - $161,999 a year
  • CAD Salary Range: 113,400 - 162,000
  • USD Salary Range: 123,900 - 177,000
  • NYC, CT, NJ, Seattle, LA, San Diego USD Salary Range: 136,380-194,700
  • San Francisco / Bay Area USD Salary Range: 148,700 -212,400
  • Final compensation will be determined based on a number of factors, including skills, experience, location and on-the-job performance. We’re committed to paying competitively to hire and retain high-caliber talent. We recognize that exceptional talent may fall outside of these ranges; we encourage all qualified candidates to apply even if their compensation expectations are outside of the listed range.
  • This posting is for a future talent pool.

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Remote share — Software Engineer jobs in United States

80% are remote

1308 of 1,635 jobs we have listed

How long they stay open — Software Engineer jobs in United States

47 days median time open before the listing ended

Based on 118 ended listings

Advertised pay — Software Engineer jobs in United States

USD 198k median advertised pay / year

Middle half: USD 165k – USD 225k

From 1,105 listings that state pay