Salary Competitive
Equity To be negotiated

We are a startup based in Helsinki, Finland. Callstats.io is our first product, built to monitor and manage the media quality in realtime communication applications. We often refer to callstats.io as “Google Analytics for WebRTC”. Our vision is a world where communication is both frictionless and effortless to set up, operate, and scale.


  • You are proficient with React, Angular, or other similar frameworks.
  • You are proficient with Redux, RxJS or other similar data flow frameworks. The data flow in our dashboard is similar to Facebook’s Flux.
  • You have a deep understanding of closures, DOM manipulation, HTTP, WebSockets, and cross browser compatibility challenges.
  • You have experience working with modern Javascript toolchains (Webpack, Babel, Grunt, less, etc.).
  • You have demonstrated skill and enthusiasm for learning, and applying new technologies when appropriate.
  • You have experience coordinating software development teams.
  • You have experience working together with designers in a user-centered manner.
  • A minimum three years of experience.
  • Fluency in spoken and written English.

Perks and benefits

This job comes with several perks and benefits

Free coffee / tea
Free coffee / tea

Near public transit
Near public transit

Social gatherings
Social gatherings

Equity package
Equity package

Pension plan
Pension plan

Skill development
Skill development

See all 8 benefits

Working at
CALLSTATS I/O

Callstats is a Software as a Service company based out of Helsinki. It provides products that measure and manage the performance of real-time media communication.  callstats.io helps software developers set up, build, and scale communication applications quickly. Founded in 2014, callstats.io was named a Cool Vendor in Unified Communications in 2016 by research firm Gartner, and has raised more than 3M in venture funding from True ventures and Lifeline ventures.

Read more about CALLSTATS I/O

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