Senior Frontend Engineer - AI Startup, Remote

DualEntry; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading AI startup in Poland is seeking a Senior/Staff Frontend Engineer to enhance their product velocity and bring their AI-powered platform to global businesses. In this hands-on role, you will have full ownership, collaborating closely with founders and teams to create impactful user interfaces using React and Next.js. Ideal candidates should have over 8 years of experience and a proactive mindset. The company offers equity, remote work flexibility, and an engaging, trust-based culture.

Benefits

Significant equity ownership

15 PTO days + 12 public holidays

Visa sponsorship option

High-speed culture

High-trust environment

Qualifications

• 8+ years of experience in frontend development with React (Next.js a strong plus).
• Strong understanding of responsive UI, accessibility, and usability principles.
• Experience building and testing APIs; comfort with HTTP, Postman, and debugging.
• Clear product thinking, eye for polish, and attention to design details.
• Pragmatic mindset: you move forward, make calls, and optimize for impact.
• Curiosity and autonomy — you dig in, learn fast, and solve problems without waiting.

Responsibilities

• Build, ship, and own major parts of the product UI in React + Next.js.
• Design and optimize interactive experiences that make complex workflows simple.
• Work closely with product, design, and backend to ensure seamless integration and clarity.
• Help define our frontend system and component library as we scale.
• Elevate the quality of the product through thoughtful details, polish, and user empathy.

Skills

JavaScript

React

TypeScript

Next.js

Jest

AWS tools

Linear

Notion

Git

Github

Agile

Job description

A leading AI startup in Poland is seeking a Senior/Staff Frontend Engineer to enhance their product velocity and bring their AI-powered platform to global businesses. In this hands-on role, you will have full ownership, collaborating closely with founders and teams to create impactful user interfaces using React and Next.js. Ideal candidates should have over 8 years of experience and a proactive mindset. The company offers equity, remote work flexibility, and an engaging, trust-based culture.