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Senior Fullstack Engineer

Job in Lisbon, Columbiana County, Ohio, 44432, USA
Listing for: Zendesk
Full Time position
Listed on 2026-07-11
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer
Job Description & How to Apply Below
Location: Lisbon

Senior Fullstack Engineer At Zendesk AI Agents

As a Senior Fullstack Engineer at Zendesk AI Agents you'll play a key role in shaping and building our frontend and backend, collaborating closely with our Product Manager, AI and Machine Learning Engineers / Scientists, Backend developers, and the broader tech team to deliver groundbreaking features focused on speed and reliability, all while keeping a strong focus on user experience.

As an engineer on our team, you'll be at the forefront of this exciting technology, contributing to a product that's redefining how businesses and users interact. You will have full responsibility to build, test, and iterate rapidly to bring high-quality AI products to our massive user base at an unparalleled scale.

Join us in revolutionizing the chatbot/agent landscape and be part of a team that's shaping the future of AI interactions. Neat architecture and good software engineering practices are your guiding principles, as you believe that excellent user experience is best built over a solid codebase.

Your Responsibilities:
  • Maintain and develop the Zendesk AI Agents platform using Type Script, React and other state-of-the-art libraries.
  • Proactively suggest and pursue improvements on our codebase and architecture, from code-changes and testing to CI/CD and deployment.
  • Contribute to modularisation and to scalable architecture solutions to both new and existing components.
  • Build user-friendly frontend applications that help our clients to design conversations and automate workflows.
  • Work closely with other members of the development team to ensure new product features are built stable and intuitive.
  • Learn and experiment with new tools and technologies aiming to develop new product features, improve UX, and reduce code complexity.
  • Stay up to date on industry trends, helping drive innovation.
Who You Are:

We're looking for a communicative, experienced engineer with a product mindset who takes pride in producing slick applications which are easy and fun to use, built upon logical, simple and effective solutions to complex issues.

  • You feel confident with the Web Standards and the inner workings of the browser and the internet.
  • Writing tests for your code is a regular practice for you, you encourage a testing culture in your team and supervise it if necessary.
  • You have excellent programming skills in Type Script and in React or similar tools (Angular, Vue, etc).
  • You have solid experience with Node.js and understand server-side development concepts
  • You know how to approach performance bottlenecks and have the ability to come up with realistic solutions.
  • You care deeply about engineering practices, as well as the end-user and your team.
  • You love your job, you enjoy mentoring and enabling others and you know how to ask for help when you need it.
  • You understand feedback as a tool for growth and utilize it to grow and encourage growth in others.
  • You are curious and continuously learning new things that can add value to your job.
  • You are a positive, proactive team player, have strong communication skills and high proficiency in English.
How Do We Measure Success In This Position?
  • You contribute to the overall architecture and performance of our frontend application.
  • You ship features with your team that solve real customer problems.
  • You influence your team's product direction with your ideas.

The intelligent heart of customer experience

Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.

Zendesk believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working, enables us to purposefully come together in person, at one of our many Zendesk offices around the world, to connect, collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.

Zendesk is an equal opportunity employer, and we're proud of our ongoing efforts to foster global diversity, equity, & inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law.

We are an AA/EEO/Veterans/Disabled employer.

Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please send an e-mail to  with your specific accommodation request.

Position Requirements
10+ Years work experience
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