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Senior Full Stack Engineer - Telephony

Front is the leading AI-powered customer service platform built for collaboration. Front brings core support channels into a modern, intuitive workspace where teams can collaborate on requests, automate manual processes, and delight customers across their entire lifecycle. Front’s flexible workflows, AI features, and customer intelligence provide the efficiency and insights to keep entire organizations customer-first, every day. More than 9,000 of the most innovative companies worldwide including CultureAmp, HootSuite, and Y Combinator use Front to deliver five-star service at scale.

Backed by Sequoia Capital and Salesforce Ventures, Front has raised $204M from leading venture capital firms and independent investors including top executives at Atlassian, Okta, Qualtrics, Zoom, and PagerDuty. Front has received numerous Great Place to Work accolades, including Built In's 100 Best Midsize Places to Work in SF 2025, Y Combinator's list of Top Companies in 2023#4 on Fortune’s Best Workplaces in the Bay Area™ ,Inc. Magazine's 2022 Best Workplaces list, and Forbes Best Startup Employers 2022 List.

We are seeking an experienced Full Stack engineer to join our newly formed Telephony engineering team. Front's long-term vision is to evolve into an omnichannel solution for customer experience, beginning with support teams. As our product primarily serves help desk use cases, we've recognized a growing demand for high-quality voice and SMS capabilities from our customers. This team will focus on launching the initial version of Telephony while working toward delivering a more robust solution in the future.

To be successful in this role you must be a quick learner, have proven software development skills, would identify with being a product and business-minded engineer, have experience delivering high quality feature work on time, and work well in a dynamic, cross-functional team.

What will you be doing?

  • Work closely with product managers, product designers and other engineers to improve Front’s Telephony offerings. You will conceptualize, design, implement, test, and launch improvements to Telephony capabilities and use cases.

What skills and experience do you need?

  • Industry experience building fast, reliable, real-time web-based applications.

  • Fluency in a dynamic language like Javascript, Python, Ruby, or similar.

  • Knowledgeable about modern web technologies and excited to learn new ones, e.g. Node.js ES6, TypeScript, React.

  • Exposure to architectural patterns of a large, high-scale web application.

  • Experience working with or building APIs.

  • Product minded: committed to building the best user experience.

  • Business minded: understands the power of leveraging technology toward business outcomes.

  • Ability to thrive in a dynamic, fast-paced, collaborative, and high-growth environment.

  • Understand the trade-offs in employing different engineering solutions to a problem, valuing pragmatism over idealism.

This is a hybrid role, expected to be in our SF office on Tuesdays and Thursdays.

What we offer

  • Competitive salary

  • Equity (we are post-series D & backed by some of the best VCs in the US)

  • Private health insurance, including plan options at no cost to employees

  • Paid parental leave

  • Flexible time off policy

  • Focus Fridays - learn more here!

  • Flexibility to work from home 3 days/week (unless posted as a full-remote role)

  • Mental health support with Workplace Options

  • Family planning support with Maven

  • $100 per month Lifestyle Stipend to spend on fitness, health and wellness, and other activities

  • Wellness Days - Fronteers get an additional day off on months with no holidays

  • Winter Break - Our offices are closed from Christmas to New Year's Day!

Front provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age or disability. By applying, you acknowledge and agree that you have read and understand the California Recruiting Privacy Notice & EU Privacy Notice

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What You Should Know About Senior Full Stack Engineer - Telephony, Front

Are you ready to take your career to the next level? Front is on the lookout for a Senior Full Stack Engineer - Telephony to join our vibrant team in San Francisco! As a leader in AI-powered customer service, Front is all about enhancing collaboration and delighting customers at every step of their journey. You’ll be part of our newly formed Telephony engineering team, where your expertise will help us launch and evolve our telephony offerings. Imagine working closely with product managers and designers to conceptualize and implement innovative features that meet the high demands of our customers. We're looking for someone who thrives in a dynamic environment, quickly learns new technologies, and applies solid software development skills. If you're excited about building reliable web applications, fluent in languages such as Javascript or Python, and have a knack for delivering high-quality work, you might just be the perfect fit! Not only will you be contributing to cutting-edge solutions, but you'll also enjoy a competitive salary, equity options, health benefits, and plenty of flexibility in your work schedule. Join us in creating an omnichannel experience that customers love!

Frequently Asked Questions (FAQs) for Senior Full Stack Engineer - Telephony Role at Front
What are the primary responsibilities of a Senior Full Stack Engineer - Telephony at Front?

As a Senior Full Stack Engineer - Telephony at Front, you will work on launching and enhancing our telephony capabilities. Your primary responsibilities include collaborating with product managers and designers to improve Front’s Telephony offerings, conceptualizing, designing, implementing, testing, and launching features that meet customer needs. You will also contribute to architectural decisions and work on APIs to create a seamless user experience.

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What qualifications are required for the Senior Full Stack Engineer - Telephony position at Front?

To qualify for the Senior Full Stack Engineer - Telephony role at Front, you should have experience building reliable, real-time web applications, ideally in a fast-paced environment. Proficiency in a dynamic programming language, such as JavaScript or Python, is a must. Familiarity with modern web technologies like Node.js, TypeScript, and React is highly desirable. Additionally, a strong understanding of the trade-offs in engineering solutions and a business-minded approach will set you apart.

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What does the work environment look like for the Senior Full Stack Engineer - Telephony at Front?

At Front, the work environment is collaborative and fast-paced. As a Senior Full Stack Engineer - Telephony, you will work in a dynamic team setting where communication and cooperation are key. With a hybrid model in place, you’ll be expected to be in the San Francisco office on Tuesdays and Thursdays, while enjoying the flexibility to work from home on other days. We prioritize professional development and offer support that fosters a productive and engaging workplace.

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What opportunities for growth can a Senior Full Stack Engineer - Telephony at Front expect?

Joining Front as a Senior Full Stack Engineer - Telephony opens numerous growth opportunities. You’ll be involved in innovative projects that allow you to broaden your technical skills and take on leadership roles within projects. Moreover, being part of a fast-growing company with significant backing ensures that your contributions will have a meaningful impact, paving the way for potential career advancement as Front expands its telephony offerings.

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What can candidates expect from Front's company culture?

Front is known for having a welcoming and inclusive company culture. As a Senior Full Stack Engineer - Telephony, you can expect a supportive environment that celebrates teamwork and innovation. Our accolades for being a Great Place to Work testify to our commitment to employee satisfaction, with initiatives like flexible time off, Wellness Days, and a focus on mental health. We truly believe in nurturing our employees for both personal and professional success.

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Common Interview Questions for Senior Full Stack Engineer - Telephony
Can you describe your experience with full stack development?

When answering this question, emphasize your background in both front-end and back-end technologies. Discuss specific projects where you utilized languages like JavaScript or Python and frameworks such as React or Node.js. Highlight any collaborative experiences you’ve had and how you’ve contributed to solving real-world problems through your skills.

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How do you prioritize tasks and manage deadlines in a fast-paced environment?

To answer this, share examples of how you've successfully prioritized tasks in previous roles. Discuss your approach to project management, including any tools you use, how you communicate with your team, and how you adapt when new challenges arise or deadlines shift. Showing your adaptability and organizational skills will impress interviewers.

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What strategies do you use to ensure high-quality code?

Discuss the importance of writing maintainable and efficient code. Share your practices regarding code reviews, testing methodologies, and how you leverage feedback in your development process. Highlight your commitment to continuous learning, including staying updated on industry best practices and tools to enhance code quality.

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Can you discuss a challenging project you worked on and how you overcame obstacles?

Choose a project that showcases your problem-solving skills. Explain the challenges you faced, the strategies you employed to navigate these issues, and the final outcome. Emphasize your collaboration with team members and your ability to pivot when necessary.

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How do you stay updated with the latest web technologies?

In your response, convey your passion for learning and professional growth. Share the resources you utilize, such as online courses, webinars, blogs, or tech meetups. Tell them about any communities or forums you engage in to discuss trends and solutions in web development.

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What role does API development play in full stack engineering?

Explain the significance of APIs in creating seamless integrations between front-end and back-end systems. Discuss your experience building or consuming APIs, emphasizing any challenges you've faced and how you ensured data integrity and security during development.

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Describe your experience with real-time web applications?

Discuss projects you’ve worked on that involved real-time technologies such as WebSockets or server-sent events. Detail the challenges that come with building real-time applications and how you ensured performance and scalability.

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How do you approach teamwork and collaboration in cross-functional teams?

Share your experiences collaborating with product designers or managers and how you facilitate open communication. Talk about how you seek feedback, resolve conflicts, and drive team cohesion to achieve project goals.

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How do you measure the success of a feature or project?

Discuss metrics and key performance indicators (KPIs) that are relevant in your past projects. Speak about both quantitative measures, like user engagement or system performance, and qualitative feedback, such as user satisfaction ratings.

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Why do you want to work at Front as a Senior Full Stack Engineer - Telephony?

Share your enthusiasm for Front's mission and values, particularly regarding customer-centric innovation. Cite specific aspects of Front’s technology, culture, or growth potential that attract you. Tailoring your answer to align with Front’s vision will reinforce your fit for the role.

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CULTURE VALUES
Customer-Centric
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Full-time, hybrid
DATE POSTED
April 2, 2025

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