Lead Frontend Architect: Scale Cloud AI UI

Relativity ODA LLC; Kraków; Hybrid; PLN 300,000 - 550,000; Full time

Job summary

Relativity ODA LLC is seeking a Lead Frontend Engineer for the Engineering Platform team in Kraków. You will shape frontend architecture, drive Micro Frontend strategy, and mentor engineers while solving complex frontend challenges at scale.

You’ll work with React, TypeScript, and PrimeReact, focus on accessibility, performance, and CI/CD, and collaborate across product, UX, and leadership to deliver AI-powered legal data solutions.

Qualifications

• 7+ years of frontend development experience in cloud-native systems.
• Proven ability to set technical direction and lead teams.
• Experience designing distributed, multi-tenant architectures.
• Ownership of CI/CD, observability, and reliability.
• Strong product and systems thinking; clear communication.

Responsibilities

• Lead design, development, and operation of scalable frontend infrastructure powering a cloud-native platform.
• Set technical direction across frontend stack and design-system integration.
• Collaborate with product and engineering teams to deliver AI-powered legal data solutions.
• Mentor engineers and drive architectural reviews.
• Improve accessibility, performance, and test automation.
• Drive reliability, incident response, and CI/CD improvements.

Skills

Frontend development

Technical leadership

Distributed systems

CI/CD & observability

Communication

Tools

React

TypeScript

PrimeReact

Jest

Cypress

Playwright

Job description

Relativity ODA LLC is seeking a Lead Frontend Engineer for the Engineering Platform team in Kraków. You will shape frontend architecture, drive Micro Frontend strategy, and mentor engineers while solving complex frontend challenges at scale.

You’ll work with React, TypeScript, and PrimeReact, focus on accessibility, performance, and CI/CD, and collaborate across product, UX, and leadership to deliver AI-powered legal data solutions.