Principal Software Engineer (Full-Stack Development)

• Come join the AI team at Zynga making an impact across all of the company’s games - Central Technology! As a Principal Software Engineer, you will be responsible for the technical vision, design and implementation of AI-powered tools and systems that elevate developer productivity and player experiences at scale
• We’re looking for outstanding engineers with a passion for artificial intelligence and the desire to work in a team with dynamic strengths
• Build, improve & maintain Zynga’s AI-powered developer tools and applications across the full stack, spanning frontend interfaces, APIs, and backend services
• Design and architect scalable AI systems and integrations running in cloud infrastructure, including LLM-powered features, agentic workflows, and MCP-based services
• Take a hands-on approach in architecting, writing, and reviewing code across frontend and backend layers of the AI tooling ecosystem
• Proactively identify & recommend improvements to address systemic problems, tech debt, and opportunities to enhance AI capabilities across the platform
• Follow engineering best practices to ensure code quality, performance, reliability, and responsible AI development standards
• Collaborate effectively with teammates, product, and stakeholders across Zynga, contributing to an innovative environment of technical excellence in AI tooling
• Review detailed tech plans from others, aligning with the AI tools team and Zynga-wide technical vision for AI-driven developer productivity
• Provide production & integration support for shared AI tools and services used across Zynga’s game studios and development teams

Benefits

• WELLNESS - Gym benefits, wellness programs, employee assistance programs and generous time-off policies
• FOOD - Food and snacks made in-house or delivered, healthy snack kitchens with drinks and treats, coffee bars, regular social gatherings and happy hours
• WORK & LIFE - Flexible time-off policies (DTO), office rest areas, gaming spaces, employee discounts and more
• TRANSIT BENEFITS - Shuttle service in select locations, commuter/parking benefits, secure bicycle storage, business travel assistance
• RESOURCE GROUPS - Women at Zynga (WAZ), zCares charitable giving, zParents, zEndurance adventure club, BZU, zPride LGBTQ+ inclusion and belonging
• COMPENSATION - Performance bonuses, opportunities for equity participation & retirement/pension savings support
• HEALTH - Medical, dental & vision covered for employees, with participation for employees eligible dependents, plus disability and life insurance program
• FAMILY - Generous parental leave for birth parents, partners and adoptive families, plus Infertility support, emergency child care and flexible time-off policies- Experience designing and building LLM-powered applications, agentic workflows, or AI developer tools
• Experience in programming RESTful and event-driven services, with familiarity with MCP or similar tool-integration protocols a plus
• Experience with database systems (SQL, NoSQL) and cloud infrastructure (AWS, GCP)
• Strong full stack programming experience across frontend (React, TypeScript) and backend (Python, GoLang, and/or Node.js)
• 6+ years of hands-on software development experience, with significant exposure to AI/ML systems or developer tooling
• Experience in object-oriented and service-oriented design of scalable applications and systems
• Experience working cross-functionally with product, design, and engineering teams on technical implementations and rollouts
• B.S. in Computer Science, or equivalent
• Knowledge of the evolving AI/ML landscape, emerging foundation models, and responsible AI practices a plus
• Familiarity with IDE extensions, CLI tooling, or browser-based developer tools a plus