Software Engineer, AI Product Engineering

Company Overview Vertex Games is a Singapore-based mobile gaming company dedicated to delivering high-quality, entertaining experiences worldwide. Since 2022, we have rapidly grown and gained recognition for making top-tier mobile games accessible to all users. Job Summary Join Vertex Games’ AI New Business team as an early-career software engineer, rapidly transforming AI-driven ideas into working prototypes and products. You will ship software, iterate based on user feedback, and own product surfaces end-to-end in a dynamic, fast-paced environment. Responsibilities Build prototypes and early-stage products using LLM APIs integrated with web, services, or mobile technology stacks suited to the problem. Translate half-formed ideas into working demos within days to accelerate learning and iteration. Own at least one product surface end-to-end, including design decisions, coding, deployment, telemetry, and follow-up improvements. Deploy prototypes to real users (initially internal, then external) and incorporate feedback into subsequent iterations. Utilize AI coding tools (Claude Code, Codex, Gemini, etc.) effectively as part of your development workflow, discerning when they enhance or hinder productivity. Participate in quarterly retrospectives to share insights on experiments, learnings, and evolving assumptions. Required competencies and certifications Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a closely related field completed by the role start date. Strong computer science fundamentals demonstrated through academic or practical experience. Proven track record of delivering software used by real users, such as side projects, hackathon wins, internship tools, open-source contributions, or indie games. Ability to progress under ambiguity, managing incomplete problem statements and evolving requirements independently. Demonstrated use of large language models (LLMs) as a core component in real projects beyond conversational applications. Strong written and verbal communication skills in English to collaborate effectively within the team. Preferred competencies and qualifications Deep expertise in at least one of the following tracks, with practical experience beyond academic projects: Frontend/Web: React, Next.js, TypeScript, or comparable technologies with shipped web applications. Backend/Services: Python, Go, Node.js, or comparable languages with understanding of databases, APIs, and deployment. Mobile: Swift, Kotlin, React Native, Flutter, or comparable frameworks with shipped working apps. Experience releasing software publicly on platforms such as App Store, Play Store, itch.io, GitHub, or public web apps. Background in game development to align with the company’s industry focus. Informed, experience-based opinions on the capabilities and limitations of current AI tools.