Senior Front-End Software Engineer

14 days ago

Maroúsi, GreeceSenior

Responsibilities

Own and evolve the Lotus UI internal component library built on MUI, including documentation in Storybook.
Build complex config-driven form workflows for player profiling, identification, and account management using React Hook Form and Yup.
Develop platform views for player management, bonus campaigns, executive KPI dashboards, and payment and wager transaction grids.
Manage application state across multiple Zustand stores and server state with TanStack Query.
Help establish unit, integration, and end-to-end testing coverage as the product moves toward production.
Participate in code reviews and architecture discussions that shape frontend patterns and scalability.

5+ years of professional frontend development experience with substantial React experience.
Strong command of modern React hooks, composition patterns, and component architecture at scale.
Experience building or maintaining an internal design system or component library.
Strong understanding of MUI customization, including theming, overrides, and MUI X Pro components.
Experience with Zustand or similar lightweight state managers in complex applications.
Proficiency with JavaScript ES2020+ and familiarity with ESLint and Prettier.
Experience with config-driven or dynamic forms, TanStack Query, multi-operator or white-label platforms, backoffice tooling, or iGaming platforms is preferred.
Exposure to Storybook, Chromatic visual regression testing, i18next, multi-language frontend setups, Vite, and modern frontend build tooling is preferred.

Competitive benefits and an open, supportive work environment.
Flexible working arrangement in a modern workplace; the posting is marked hybrid.
Opportunity to work with global teams and switch teams or projects as the business develops.
Guidance and development opportunities to support career progression.
Opportunity to work on greenfield products and shape a shared design system.

201-500 employees