Job Description

Zendesks people have one goal in mind: to make Customer Experience better. Our products help more than 145000 global brands (AirBnb Uber JetBrains Slack among others) make their customers happy every day.

Were looking for a well-rounded Staff Engineer to join our Ruby infrastructure team. Our mission is to ensure that Ruby and Rails continue to meet the needs of Zendesks customers and our fellow engineers. That means reducing infrastructure costs enhancing system performance improving developer experience standardizing workflows to improve productivity ensuring product availability and conducting research to drive innovation and adopt emerging technologies. As a team we have broad impact across Zendesks projects services and organizations. If you thrive in a role that balances hands-on engineering with strategic impact in a Ruby-centric environment this is the role for you.

Were running the latest Ruby and Rails versions including edge releases. We are unapologetic Ruby enthusiasts passionate about every facet of the language and ecosystem and our team has made direct contributions to both Ruby and Rails. Were proud maintainers of numerous open source projects and actively contribute back to the broader Ruby community. If giving back and influencing the future of Ruby excites you this role offers a unique opportunity to have an impact beyond Zendesk.

What youll be doing

• Helping maintain Zendesks core monolith Rails applications that serve billions of requests per day.

• Keeping enterprise Ruby systems up to date.

• Contributing to open source projects.

• Actively collaborating in evolving the workflow and processes together with the members of the team.

• Modernizing legacy systems.

• Identifying and implementing standardized practices to improve productivity across teams.

• Supporting our deployed services to ensure a high level of stability and reliability.

• Mentoring junior team members as well as pairing with more experienced colleagues and learning from each other.

What you bring to the role

Basic Qualifications:

• 6 years developing server-side applications in Ruby or similar backend programming languages.

• Demonstrated ability to build and operate distributed systems at scale.

• Expertise in relational data stores (MySQL Postgres).

• Experience with provisioning and deploying services with a cloud provider (AWS GCP Azure).

• Sound understanding of architecture and software design patterns for server-side and web domains.

• Excellent communication skills both written and verbal.

• Open thoughtful and empathetic approach to your work.

• A desire to continually learn and share technical skills.

Preferred Qualifications:

• Significant experience developing web applications in Ruby.

• Experience working in C.

• Proficiency with AWS.

• Experience in performance testing capacity planning and cost optimization for large-scale complex data pipelines and systems. This includes identifying bottlenecks ensuring scalability and minimizing operational costs in cloud-based data environments.

• Contributor to or maintainer of open source projects.

Tech Stack

• Our code is written in Ruby TypeScript Go Python and Java.

• Our servers live in AWS.

• Our services interface through Kafka REST and GraphQL on top of Istio.

• Our data is stored in S3 Redis ElasticSearch DynamoDB and Aurora.

• Our services are deployed to Kubernetes.

What we offer

• What you will be doing will have a huge impact.

• A team of passionate people who love what they do.

• Exciting projects ability to implement your own ideas and improvements.

• Contribute to the wider open source community.

• Opportunity to learn and grow.

Where We Work

Were rapidly growing our teams in Krakow Poland and Lisbon Portugal. We have exciting next-generation AI-powered products that are already in use by customers in the banking and finance area online and offline retailers and even national postal services. You will work with a driven team passionate about delivering the right experience to end-users using sophisticated data ingestion and retrieval technology.

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.

As part of our commitment to fairness and transparency we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position in accordance with Company guidelines and applicable law.

Zendesk is an equal opportunity employer and were 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. If you are based in the United States and would like more information about your EEO rights under the law please click here.

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.

Hybrid: In this role our hybrid experience is designed at the team level to give you a rich onsite experience packed with connection collaboration learning and celebration - while also giving you flexibility to work remotely for part of the week. This role must attend our local office for part of the week. The specific in-office schedule is to be determined by the hiring manager.

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.

As part of our commitment to fairness and transparency we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position in accordance with Company guidelines and applicable law.

Zendesk is an equal opportunity employer and were 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. If you are based in the United States and would like more information about your EEO rights under the law please click here.

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.