Senior Frontend Engineer (iGaming)

TL;DR

Senior Frontend Engineer (React/iGaming): Building Nova Backoffice, a multi-operator iGaming platform for player management and executive dashboards, with an accent on internal component libraries and complex config-driven workflows. Focus on developing a scalable design system (Lotus UI), managing complex application state with Zustand, and implementing dynamic form rendering.

Location: Hybrid in Marousi, Greece

Company

Global leader in cross-platform games and entertainment, powering the largest digital-gaming network in the industry via the OpenGaming platform.

What you will do

• Own and evolve Lotus UI, the internal MUI-based component library, including full Storybook documentation.
• Build complex, config-driven form workflows for player profiling and account management using React Hook Form and Yup.
• Develop feature-rich views including executive KPI dashboards, player management, and payment/wager transaction grids.
• Manage layered application state across multiple Zustand stores (auth, player, bonus, etc.).
• Implement server-state management using TanStack Query for transactions and wallet balances.
• Establish a testing culture by introducing unit, integration, and end-to-end test coverage.

Requirements

• 5+ years of professional frontend development with substantial React experience.
• Strong command of hooks, composition patterns, and component architecture at scale.
• Experience building or maintaining internal design systems or component libraries.
• Solid understanding of MUI customization, including theming, overrides, and MUI X Pro components.
• Experience with Zustand or similar lightweight state managers in complex applications.
• Location: Must be based in or able to work hybrid in Marousi, Greece

Nice to have

• Experience with config-driven or dynamic form patterns (React Hook Form / Yup).
• Familiarity with TanStack Query or comparable server-state solutions.
• Background in iGaming platforms or multi-operator/white-label architectures.
• Exposure to Storybook-driven development and Chromatic visual regression testing.
• Familiarity with i18next for multi-language/multi-market setups.

Culture & Benefits

• Collaborative, engineering-led culture with a strong emphasis on code quality.
• Competitive benefits and a modern, exciting workplace.
• Opportunity to interact with global teams and switch projects as the business grows.
• Flexible working arrangements and a stunning work location.
• Guidance and development skills provided to enhance your career progression.