Principal Engineer (Frontend)

TLDR

Take charge of Omio's frontend platform, leading architectural decisions and integrating AI capabilities to enhance user experiences across web and mobile.

As a Principal Frontend Engineer, you will play a critical role in shaping Omio’s frontend platform, defining how intelligent, adaptive user experiences are built and scaled across web and mobile. You will lead complex, end-to-end frontend initiatives, influence architectural direction, and ensure our applications are performant, accessible, and resilient—while enabling the seamless integration of AI-powered capabilities that drive meaningful business and customer impact.

This role combines hands-on frontend engineering, platform and architectural leadership, and cross-team influence, working closely with Product, Design, Backend and Data to bring AI-driven experiences to life across the organisation.

What You’ll Do

  • Own and drive end-to-end frontend solutions, from user-facing experiences to the frontend platform and middleware layer
  • Lead frontend architecture and technical decision-making, ensuring scalability, performance, accessibility, and maintainability
  • Design and evolve frontend platform foundations, including shared patterns, design systems, and integration layers
  • Align frontend engineering solutions with business goals and customer outcomes
  • Identify and manage frontend technical debt, making pragmatic trade-offs between delivery speed and long-term platform health
  • Lead cross-team frontend and platform initiatives, aligning multiple stakeholders with clear end-to-end ownership
  • Define and promote frontend best practices, standards, and reusable patterns
  • Contribute to internal and external tech talks, representing Omio’s frontend and platform engineering culture
  • Evangelize the use of AI tools and automation to transform how Omio designs, builds, and delivers frontend experiences

Tech Stack - Check our tech stack: https://omio.tech/radar

  • Frontend: React, React Native, TypeScript, styled-components
  • Middleware: Node.js, Express, HTTP proxy middleware
  • APIs: GraphQL, REST (including AI/LLM-backed services)
  • Tooling: Webpack, Yarn workspaces, monorepo
  • Testing: Jest, React Testing Library, Cypress
  • 9+ years of experience in Software Engineering, with deep, hands-on expertise in frontend engineering
  • Proven experience building and scaling large, complex frontend applications and platforms
  • Strong architectural judgment with experience leading frontend system design at scale
  • Experience working in high-growth or scale-up environments
  • Demonstrated experience mentoring engineers and leading frontend or platform-level technical initiatives
  • Ability to collaborate effectively with Product, Design, Backend, and senior stakeholders
  • Demonstrated use of AI tools to accelerate the software development lifecycle and improve developer productivity

 

Learn more about Omio Engineering and our Team:


Hiring process and background checks

At Omio, we work in partnership with Giant Screening or equivalent local agencies. Once a job offer has been accepted, Giant or equivalent local agencies will be engaged to carry out background screening. Giant will reach out to you via email and occasionally via telephone/text message so that they can gather all relevant information required. Consent will be requested prior to any information being passed to our services company.
 

What’s in it for you? #LifeAtOmio

  • A competitive and attractive compensation package

  • Opportunity to develop your skills on a new level

  • A generous pension scheme 

  • A diverse team of more than 45 nationality

  • Develop maintainable solutions for complex problems with broad impact on the business as a whole

  • Make decisions that will have a direct impact on the long-term success of Omio
     

Diversity makes us stronger 

Here at Omio, we know that no two people are alike, and that’s a great thing. Diversity in culture, thought and background has been key to growing our product beyond borders to reach millions of users from all over the world. That’s why we believe in giving equal opportunity to all, regardless of race, gender, religion, sexual orientation, age, or disability.

Benefits

Generous pension scheme

A generous pension scheme

Omio builds a comprehensive platform that unifies global transport options, allowing users to compare and book trains, buses, ferries, and flights seamlessly across Europe, the US, and Canada. Targeting travelers who seek simplicity and flexibility, Omio stands out by integrating over 1,000 suppliers into one powerful system, enhancing travel planning with transparent pricing and personalized experiences.

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