Sr. Front End Web/Mobile Web Engineer

OP is partnering with a fast-growing iGaming startup to hire talented individuals building the next generation of sweepstakes-based gaming experiences. Operating at the intersection of gaming, technology, and user engagement, the platform enables seamless cross-game interactions powered by innovative mechanics. With plans to rapidly scale this year, the team is seeking builders who thrive in fast-paced environments where ideas move from concept to live product in weeks. Requirements 5+ years experience with React and modern frontend ecosystems. Experience building consumer-facing, production apps with Next.js and Tailwind. Familiarity with React and React Native for mobile development. Strong eye for UX, performance, and clean UI implementation. Experience working with APIs and integrating complex data flows. Ability to work autonomously in a fast-paced startup environment. Hands-on experience using AI platforms to accelerate development, testing, code reviews, and security scans. Nice To Have FinTech, gaming, casino, and regulatory experience. Experience with web-based game development (Canvas, WebGL, Three.js, or similar). Familiarity with animations, game loops, or interactive UI systems. Why Join? Opportunity to work on a live, scaling product. High-growth environment with strong career progression. Fully remote with flexible work culture. Collaborative, innovation-driven team with direct leadership exposure. Benefits 100% medical, dental & vision coverage (partial for dependents). 401(k) employer match.