Senior Frontend Engineer APIInterface Design

42dot


Job Location:

Warsaw - Poland

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

Department:

Engineering

Job Summary

We are looking for the best

About Us

42dot is a mobility AI company committed to solving mobility challenges with software and AI. As the Global Software Center of Hyundai Motor Group 42dot pioneers the future of mobility by advancing the development of software-defined vehicles.

We develop safety-first user-centric software-defined vehicle technologies that deliver the latest performance through continuous updates like smartphones. By advancing software and AI technology 42dot envisions a world where everything is connected and moves autonomously through a self-managing urban transportation operating system.

Overview

Join our dynamic team as a Senior Frontend Engineer where you will shape the user-facing layer of our virtual development platform for Software Defined Vehicles (SDV). Your work will define how internal engineering teams and external integration partners experience our SDV OS tooling - from the public API contract that drives partner integrations through the real-time dashboard that visualizes vehicle state to the 3D model views that bring the virtual vehicle to life. This is your chance to be at the forefront of automotive innovation building the developer and partner experience for the autonomous driving platform of the future.

Role and Responsibilities

  • Design document and evolve the public REST and Server-Sent Events API surface of our virtual vehicle platform including OpenAPI specifications and generated partner clients.

  • Implement and maintain the production frontend in React and TypeScript: real-time vehicle state dashboards vehicle variant management partner-facing portals configuration and scenario tooling.

  • Integrate 3D vehicle assets (glTF) into the frontend using or react-three-fiber in close collaboration with our product designer.

  • Build the developer experience around the schema: typed clients runtime validation mocks contract tests generated documentation.

  • Own resilience of streaming UI components: reconnection backpressure multiplexed event handling.

  • Participate directly in technical conversations with external integration partners including API design reviews and partner-facing written guides.

Qualifications Experience and Skills

  • Bachelors degree in Computer Science or related field equivalent practical experience.

  • 5 years of production experience with React and TypeScript including end-to-end type safety.

  • Hands-on experience designing and evolving OpenAPI 3.x specifications and the tooling around them (validators mocks client generators).

  • Strong schema-first instincts (Zod JSON Schema runtime validation at boundaries).

  • Solid working understanding of REST and streaming protocols (Server-Sent Events WebSocket).

  • Practical experience integrating 3D content in the browser with or react-three-fiber: scenes cameras glTF loading basic performance tuning.

  • Strong code review culture and ability to collaborate with backend and design counterparts.

  • Fluent English.

Preferred Qualifications

  • Frontend integration testing with Playwright or Cypress including visual regression workflows.

  • Experience writing partner- or developer-facing technical content (HOWTOs integration guides release notes).

  • Working experience with multi-site multi-national and multi-contributor teams.

  • Knowledge of automotive products is a plus but not required.

Interview Process

  • Application Review - Coding Test - 1st interview - 2nd interview - Offer Negotiation - Hiring

  • The screening procedures may vary depending on the position schedule or other circumstances.

    You will be individually notified of the screening schedule and results via the email address provided in your application.

Additional Information

  • In accordance with fair hiring practices do not include any personal information unrelated to your job qualifications (e.g. Social Security Number family relations marital status age photo physical condition place of birth etc.) in your resume.

  • All documents must be submitted in PDF format and under 30MB in size.

  • If you experience issues uploading your resume please send it along with the job posting URL to .

  • 42dot does not accept unsolicited resumes and will not pay fees for any such submissions. Equal Opportunity Statement

  • 42dot is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees regardless of race color religion sex sexual orientation gender identity national origin age disability or veteran status.

Please review the following information before applying.


Required Experience:

Senior IC

We are looking for the bestAbout Us42dot is a mobility AI company committed to solving mobility challenges with software and AI. As the Global Software Center of Hyundai Motor Group 42dot pioneers the future of mobility by advancing the development of software-defined vehicles. We develop safety-fir...

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포티투닷 | 42dot은 소프트웨어가 중심이 되는 SDV를 통해 새로운 이동의 미래를 제시합니다.

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