Fullstack Software Engineer

OverviewAs a Fullstack Software Engineer, you’ll architect, build, and maintain modern, scalable systems across the stack. This is a hands-on role focused on both the frontend (React/Next.js/TypeScript) and backend (Node.js, MySQL, AWS) to deliver features that empower our users and drive business growth.

What You’ll Do

• Design, develop, and maintain front-end features in React (Next.js) and TypeScript
• Architect reliable backend services and APIs using Node.js, TypeScript, and MySQL
• Lead initiatives across the stack, such as game lobbies, authentication, promotions, and payment integrations
• Collaborate with product, design, business stakeholders, and QA to deliver polished, scalable features
• Optimize for performance, accessibility, SEO, and responsiveness
• Champion best practices, mentor team members, and lead code reviews
• Support and enhance our AWS-based infrastructure
• Ensure high quality deliverables through testing, QA collaboration, and monitoring, ARB Interactive uses AI-assisted tools as part of our recruitment process, including skills matching, assessments, and interview note-taking. These tools help our talent team work efficiently and provide a consistent experience across candidates. All hiring decisions are made by our human recruitment and hiring team - AI tools assist, but do not determine, outcomes. Candidate information processed through these tools is handled in accordance with our Privacy Policy. If you have questions about our process or wish to request an accommodation, please contact recruiting@arbinteractive.com.

Software Engineering, Team Player, Systems Scalability, Business Growth, Software Engineering, React.js, Amazon Web Services (AWS), User Interface/Experience (UI/UX), JavaScript, MySQL, * 2+ years of professional frontend engineering experience with React, TypeScript, and Next.js

• 5+ years of backend development experience with Node.js, TypeScript, and MySQL
• Experience in cloud environments (preferably AWS) and familiarity with serverless architecture
• Strong understanding of state management, design systems, and component architecture
• Familiarity with A/B testing, web analytics, and responsive design
• Strong communicator with a proactive, team-oriented approach
• Experience building or supporting high-traffic applications or gaming platforms is a plus
• Bachelor’s degree in Computer Science or equivalent experience

Nice-to-Haves

• Experience with Terraform and infrastructure-as-code
• Exposure to online gaming or payment processing systems
• Exposure to streaming or messaging technologies (e.g. event-driven systems)

We are ARB Interactive, the team behind Modo Casino, one of the top Social+ platforms in the US. Founded in 2022, we’ve grown to nearly 200 team members and were named one of LinkedIn’s 2025 Top 50 Startups in the United States. We move fast, think big, and love bold ideas that push boundaries (and buttons). From new rewards to fresh game mechanics, every challenge is a chance to innovate and have fun doing it. Our culture is collaborative, curious, and full of laughter because great ideas grow best between coffee, code, and a few epic high-fives.