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Sensor Tower·Warsaw, Poland·onsite

Mid / Senior Frontend Engineer

Posted 28 days ago
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Ruby on RailsReactTypeScriptJavaScript

About the role

What you'll do

  • Deliver complex, scalable frontend systems that prioritize simplicity and maintainability.
  • Collaborate closely with Product Managers to co-author requirements and ensure engineering feasibility.
  • Lead technical decision-making for medium-to-large features, focusing on customer value delivery.
  • Drive best practices in React, TypeScript, and web performance optimization across the team.
  • Work cross-functionally with Data Science and Backend teams to ensure end-to-end system reliability.

What you should know

  • The role requires a product owner mindset, valuing the ‘why’ behind features and user impact.
  • Applicants should be comfortable with complex state management and architectural challenges.
  • Fluency in Russian and professional English proficiency are mandatory.
  • There is an opportunity to expand full-stack expertise through collaboration with backend and data teams.
  • Candidates should be prepared to work onsite in Warsaw within a collaborative and fast-moving environment.

About the company

  • Sensor Tower operates with a lean and flat organizational structure promoting direct impact and ownership.
  • The company serves over 2,500 enterprises worldwide across diverse industries including tech, retail, media, and finance.
  • They emphasize a startup mindset with fast-paced product development and rapid releases.
  • Sensor Tower values technical excellence and mentorship within their engineering teams.
  • They focus on providing digital intelligence and market insights for mobile, web, and gaming sectors.

Key required skills

ReactTypeScriptJavaScriptTanStack QueryZustandJestCypressPlaywrightRuby on RailsMongoDB - databaseClickhouse - database

Summary generated from the original posting.