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Senior Software Ruby Engineer, VOIP Dialer



Software Engineering
Kraków, Poland
Posted on Wednesday, December 13, 2023
Clari’s Revenue platform gives forecasting accuracy and visibility from the sales rep to the board room on revenue performance - helping them spot revenue leak to answer if they will meet, beat, or miss their sales goals. With insights like this, no wonder leading companies worldwide, including Okta, Adobe, Workday, and Zoom use Clari to drive revenue accuracy and precision. We never get tired of our customers singing our praises because it fuels us to help them continue to achieve remarkable. The next generation of revenue excellence is here…are you ready to achieve remarkable with us?
About the Team
The Engineering team at Clari is an Agile shop that practices Scrum across all of our teams. We layer in coordination practices such as Big Room Planning to stay aligned to Clari’s KPIs quarterly across sites and teams. If you love working in an Agile environment that values collaboration and continuous improvement, then we can’t wait to meet you.
About the Role
We are looking for a Senior Software Engineer to join a team of 2-3 engineers that will own and drive the technical direction of Clari’s VOIP Dialer, a core functionality that helps our front-line sellers engage with customers. The dialer will be used by thousands of Sales users (Clari’s customers) on a daily basis as a core part of their job - a great improvement over the legacy phone systems they are using today.
This is a hybrid opportunity based in Kraków, Poland. Candidates must be based in Poland.


  • Rapidly acquire a deep understanding of Clari’s VOIP Dialer architecture and related technologies
  • Drive and contribute to the architectural design and implementation of robust telephony solutions
  • Interface with cross-functional teams to build and refine features for an expanding user base
  • Deliver high-quality contributions to large, impactful projects
  • Debug complex production issues, elevate system observability, and enhance reliability
  • Mentor peers and less experienced engineers, fostering professional growth
  • Build tooling to debug dialer configuration and connectivity issues
  • Identify client-side configuration issues that could be documented and socialized to help customers self-serve their connectivity issues


  • 5+ years of experience in software development with proficiency in Ruby and Javascript
  • Ability to rapidly learn and gain expertise in telephony systems and APIs, with a strong interest in technologies like Twilio, Zoom, and RingCentral
  • Keen to develop a deep understanding of telephony concepts (SIP Trunking, VoIP, WebRTC, PSTN, IVR)
  • Eager to master configuring and troubleshooting telecommunication technologies
  • Firm grasp of distributed systems, data storage, data modeling, and the trade-offs involved
  • Adept at working with engineering teams to build consensus on technical architecture and design
  • Exceptional cross-functional communication skills to effectively convey complex concepts
  • Committed to creating observable systems for performance tracking and to addressing issues related to performance, scalability, and maintainability

Perks and Benefits @ Clari

  • Team-bonding activities and company-wide events
  • Flexible working hours and remote opportunities
  • Annual Well-being and Professional Development Stipends
  • Private Healthcare and Multisport Pass
  • Paid maternity and paternity leave
  • Stock options
You’ll often hear our CEO talk about being remarkable. To Clari, remarkable means many things. We believe in providing interesting and meaningful work in a nurturing and inclusive environment. One that is free from discrimination for everyone without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, gender identity, or veteran status. Efforts have to be recognized. Voices have to be heard. And work-life balance has to be baked into the very fiber of the company. We are honored to be recognized by Inc. Magazine and Bay Area News Group as a best place to work for several years running. We’d love to have you join us on our journey to remarkable!
If you feel you don’t meet 100% of the qualifications outlined above, we want you to apply! Clari believes in hiring people, not just skills. If you are passionate about learning and excited about what we are doing, then we want to hear from you.
Clari focuses on culture add, not culture fit. One of our values is One with Customers, and we know we can serve them better when we involve as many different perspectives as possible. Our team is made stronger by what makes you unique, so we hope you’ll bring your whole self to the job.