Senior Frontend Engineer

Relativity

Kraków, Poland

ABOUT THE ROLE

Senior Software Engineer is responsible for designing, developing, and maintaining complex software solutions that support product and platform initiatives across the organization. This role combines deep technical expertise with strong ownership, collaboration, mentoring, and technical leadership.

The engineer will shape technical direction, influence architectural decisions, and drive engineering excellence while enabling scalable software delivery through reusable platforms, shared components, design systems, and modern development practices.

WHAT YOU’LL DO

Design and implement complex software solutions and platform capabilities
Lead technical discussions and contribute to architectural decision making
Develop and maintain shared frontend capabilities, reusable UI components, and design system assets
Drive modernization initiatives and adoption of engineering best practices
Mentor engineers and support technical growth across teams
Improve application quality, maintainability, accessibility, security, and performance
Partner with Product, UX, and Engineering stakeholders to deliver business value
Identify and address technical debt, scalability challenges, and platform opportunities
Drive adoption of AI-assisted software development practices across engineering teams
Create and maintain structured technical specifications for specification-driven development workflows
Use AI tools for planning, implementation, testing, documentation, code reviews, and knowledge sharing while maintaining engineering quality standards
Establish best practices for integrating AI capabilities into the software development lifecycle
Evaluate, validate, and govern AI-generated solutions to ensure compliance with architectural, security, and quality standards
Promote reusable engineering patterns that improve delivery speed without sacrificing maintainability or reliability
Design, develop, and maintain internal AI-powered engineering tools that improve frontend development productivity
Contribute to platforms enabling generation of applications, components, tests, and documentation from structured specifications
Collaborate with UX, Product, and Engineering teams to develop AI-driven solutions that accelerate development while ensuring consistency
Build reusable AI capabilities that improve engineering efficiency and reduce implementation overhead
Influence the organization’s AI strategy by identifying opportunities to improve developer experience and software delivery

WHAT WE’RE LOOKING FOR

Required

Advanced proficiency in JavaScript, TypeScript, React, and modern frontend architecture
Strong understanding of software architecture, design patterns, system design, and distributed systems
Experience building and maintaining design systems, reusable platforms, and shared engineering capabilities
Strong knowledge of automated testing, CI/CD, and software quality practices
Experience with AI-assisted software development tools and workflows
Understanding of specification-driven development methodologies
Excellent communication, collaboration, mentoring, and technical leadership skills
Ability to influence technical direction across multiple teams and initiatives