Senior Frontend Engineer (React TypeScript)

BlueThrone

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profile Job Location:

Warsaw - Poland

profile Monthly Salary: Not Disclosed
Posted on: 10 hours ago
Vacancies: 1 Vacancy

Job Summary

Remote-friendly Outcome-driven

Want to build frontend systems that directly impact revenue - not just ship UI components that nobody uses

This is not a typical frontend role where you move pixels around close Jira tickets and disappear into the design backlog.

Youll build the web application and experiment engine that our Monetization and Business teams rely on daily to manage a portfolio of millions of users. You will see the impact of your UI decisions fast.

Now were building an internal platform that powers our monetization engine - and were looking for a frontend engineer who can own the entire user experience behind it.


About BlueThrone

BlueThrone is a remote-first company scaling a portfolio of mobile apps across multiple markets and categories.

We combine product intuition growth execution and sharp monetization strategy - and we double down on what works.

Were not a corporate org with layers and slow approvals. We operate like a lean high-ownership team where strong execution matters more than fancy titles.

Our teams work closely across product growth monetization and engineering - and we care about one thing: building things that move the needle.

The role

Youll join a lean horizontal team building our internal revenue optimization platform.

Your mission: Build and own the web application that serves as the mission control for our monetization efforts. From complex experiment configurations to high-performance analytics dashboards you will create the tools that allow our team to move faster and scale winning strategies across our app portfolio.

Youll be making core architectural decisions shaping API contracts with the backend team and ensuring our internal tooling is as polished and intuitive as a consumer product.

What youll do

  • Build and own the web app for our monetization and experiments platform.

  • Refine and implement complex experiment configuration interfaces (parameter configs audience segmentation etc.).

  • Build analytics dashboards and data visualizations that turn raw numbers into actionable insights.

  • Build platform admin tooling to streamline operations.

  • Work closely with Monetization and Business teams to translate requirements and prototypes into intuitive high-performance UI.

  • Shape API contracts together with backend engineers to ensure seamless data flow.

  • Own frontend architecture and component design ensuring a scalable and maintainable codebase.


What were looking for

  • 5 years of commercial frontend development experience.

  • Expertise in React and modern JavaScript/TypeScript.

  • Strong proficiency in TypeScript CSS and HTML - you write clean type-safe and performant code.

  • Proven track record of building complex data-rich web applications.

  • Solid understanding of state management for non-trivial business logic (Redux Zustand React Query etc.).

  • Eye for UI/UX - you care about how things look and feel not just that they work.

  • Experience with charting/data visualization libraries (Recharts D3 etc.).

  • Experience with modern frontend tooling (Vite Webpack) and CI/CD pipelines.

  • High ownership strong judgment and the ability to execute independently.

Bonus points if you have

  • Experience with experimentation platforms A/B testing feature flags or mobile app monetization.

  • Experience building or contributing to design systems.

  • Experience building production-grade custom charting libraries


Why this role might be a great fit

This is a role for someone who wants their work to matter and have real impact.

At BlueThrone you wont spend weeks discussing button gradients in circles. Youll ship iterate and improve fast.

Youll fit here if

  • Youre not waiting to be told what to do - you see the usability gap and solve it.

  • You care about building clean components but you care even more about the users ability to get the job done.

  • Youve shipped real production systems (and dealt with the edge cases of complex data sets).

  • You prefer fast decisions high trust and a team that expects you to think like an owner.

  • You want to build the brain of a system that directly supports revenue growth.

If you want to build the frontend for a real monetization engine not a demo - this is your seat



Equal opportunities for everyone

We believe the best teams are diverse teams. We welcome applicants from all backgrounds and experiences. We consider all candidates regardless of age ethnicity religion sex sexual orientation gender identity family or parental status national origin veteran status neurodiversity or disability. If you need reasonable adjustments at any point in the application or interview process please let us know.

Remote-friendly Outcome-drivenWant to build frontend systems that directly impact revenue - not just ship UI components that nobody usesThis is not a typical frontend role where you move pixels around close Jira tickets and disappear into the design backlog.Youll build the web application and expe...
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About Company

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BlueThrone is a remote-first companythat work from all around the world.Our specialty is turning product market-fit apps into companies. We have over 80 million organic downloads and 22.5 million monthly active users.With a mission to transform iOS and Android applications to a new sc ... View more

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