Frontend Engineer Job at hyperexponential (Warsaw)

Job Description

At hyperexponential, we're building the AI-powered platform that enables the world's most critical decisions in a $7 trillion industry, which risks to take, and how to price them. As a Frontend Engineer embedded in a Product Team, you will focus on building robust, accessible, and intuitive user interfaces for hx Renew’s workflow and admin management areas. You will extend and maintain hx’s shared component library and design system, while collaborating closely with peers across engineering and design to deliver seamless experiences. This is a role where you will combine hands-on technical work with meaningful influence on our frontend practices and standards.

Job Responsibility

Designing, building, and shipping workflow-related UI features in hx Renew, ensuring interfaces are reliable, accessible, and consistent with hx’s design system
Translating Figma designs into production-ready React components using shadcn and tailwindcss, resulting in high-quality and user-friendly interfaces
Collaborating with backend engineers and product managers to clarify requirements, shaping solutions that make complex workflows simpler for end users
Extending hx’s shared component library and design tokens to improve scalability and consistency across multiple product teams
Writing and maintaining unit and integration tests, improving frontend reliability and ensuring a robust CI/CD pipeline
Contributing to the wider frontend engineering community at hx by sharing knowledge, conducting reviews, and championing standards that raise code quality

Requirements

Delivered complex multi-page React applications in production, demonstrating proficiency in building scalable SPAs with TypeScript and modern frontend tooling
Built and maintained reusable component libraries or design systems, ensuring adherence to accessibility standards and visual consistency
Implemented UI features with rich business logic and API integrations that improved usability and performance for end users
Improved system reliability by introducing or enhancing automated test suites (unit, component, and integration) and supporting CI/CD pipelines
Worked effectively in a cross-functional product team, collaborating with designers, backend engineers, and product managers to deliver impactful features
Demonstrated ownership and adaptability by driving improvements in frontend practices, whether through documentation, peer learning, or community engagement

What we offer

Share Options
25 days of non-working + 14 Polish bank holidays (B2B) / 26 days of holiday + 14 Polish bank holidays (UoP)
£5,000 budget for Learning & Development
Mental Health Support and Therapy via Spectrum Life
Optional for you: access to Healthcare package provided by Luxmed + Multisport (fully funded by yourself as B2B Contractor)
Top-spec laptop (MacOS or Windows)
Company pension (UoP)
10 days company sick pay at 100% salary, thereafter in line with labour law (UoP)
Monthly wellbeing allowance via Juno (UoP)
Healthcare package provided by Luxmed (UoP)
Multisport card at Classic level (UoP)
Top-spec work equipment (MacOS / Windows + additional monitors, mechanical keyboards etc)
Regular remote and in-person hackathons, lunch and learns, socials, and game nights
Team breakfasts and lunches, snacks, drinks fridge, and a fun office at The Brain Embassy
Exceptional opportunities for personal development and growth

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Frontend Engineer

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