Senior Frontend Engineer (Core Platform)

Senior Frontend Engineer (Core Platform) Kivon | Career Page

Senior Frontend Engineer (Core Platform)

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Job Description

Senior Frontend Engineer (Core Platform)

Athens | Full-Time | Onsite

Build the platform that every operator will use.

We're building a new regulated iGaming platform for the European market.

The Back Office is where player support, finance, compliance, marketing, and operations spend their day. Every workflow, every action, and every decision passes through it.

We're looking for an experienced Frontend Engineer to design and build the foundation of that experience from day one.

You'll help establish the frontend architecture, component library, and engineering standards that every future team will build upon.

What you'll be working on

• Design and build modern React-based Back Office applications.
• Develop reusable components, design systems, and frontend architecture.
• Build operator-facing interfaces for player management, wallets, bonuses, and platform administration.
• Collaborate closely with Product, Backend Engineering, and Architecture.
• Participate in technical discussions, architecture decisions, and code reviews.
• Use modern AI engineering tools to accelerate development while maintaining high engineering standards.

What we're looking for

• 6+ years of professional frontend engineering experience.
• Strong React expertise.
• Experience building complex business applications or admin platforms.
• Experience with TypeScript and modern frontend tooling.
• Solid understanding of component architecture, state management, and frontend performance.
• Previous iGaming experience.
• Strong code review and engineering judgement.
• Fluent English.

Nice to have

• Vite
• Playwright
• Vitest
• Storybook
• Design Systems
• Accessibility (WCAG)
• Internationalisation (i18n)

What we offer

• A highly competitive compensation package.
• Annual performance bonus.
• Comprehensive private medical insurance.
• Permanent employment or long-term contractor engagement.
• Premium equipment of your choice.
• Budget for conferences, certifications, and continuous professional development.
• Enterprise AI tooling, including Claude Team/Enterprise, NotebookLM, Linear, GitHub, and modern engineering tools.
• Direct collaboration with the CTO, Architect, and Product leadership in a small, senior engineering team.
• The opportunity to define the frontend architecture, component library, and engineering standards from the very beginning.
• Real ownership, fast decision-making, and long-term career growth within a modern regulated technology platform targeting multiple European markets.

Why you'll enjoy this role

You'll be building far more than another React application.

You'll help define how operators interact with the platform every day, influence the technical direction of the frontend architecture, and work alongside experienced engineers in a collaborative environment where quality, ownership, and engineering judgement matter.

If you enjoy building modern frontend applications, solving complex UI challenges, and taking ownership of technical decisions, we'd love to hear from you.

Working Place

Kallithea, Greece

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