Staff Backend Engineer (AI)

TL;DR

Staff Backend Engineer (Platform/AI): Designing and scaling architectures for platform and AI-powered domains to serve multiple games and teams with an accent on scalability, operational excellence, and the integration of AI/LLM capabilities. Focus on optimizing systems handling over 1 million requests per minute, mentoring engineering talent, and driving technical direction across cross-team initiatives.

Location: Hybrid in São Paulo, Brazil

Company

hirify.global is a global game developer creating high-impact gaming experiences with a strong emphasis on engineering excellence and scalability.

What you will do

• Set technical direction for platform and AI domains, designing architectures that integrate traditional services with AI/LLM capabilities.
• Lead complex cross-team initiatives from discovery and technical design through to rollout and iteration.
• Improve operational excellence by defining SLIs/SLOs, enhancing observability, and reducing mTTR.
• Optimize developer experience by simplifying APIs and reducing system complexity for other teams.
• Mentor mid, senior, and aspiring staff engineers, coaching them on design and decision-making.
• Act as a technical voice for AI strategy and platform topics within the organization.

Requirements

• Bachelor's degree in Computer Science or equivalent professional experience.
• Proven experience developing and maintaining high-volume systems with large request loads.
• Experience leading complex technical projects spanning multiple teams, including risk management and scoping.
• Strong foundation in data structures, networking, concurrency, and algorithm analysis.
• Expertise in software testing concepts, including automation, integration, and stress testing.
• Excellent communication skills to bridge the gap between deep technical implementation and business impact.

Nice to have

• Experience in the games industry or ad tech ecosystem.
• Background in developing platform products.
• Proficiency in Golang.
• Experience with Unity development.

Culture & Benefits

• High-impact environment where engineers take full ownership from conception to production troubleshooting.
• Culture of mentorship, technical leadership, and continuous knowledge sharing via RFCs and tech talks.
• Collaborative atmosphere that encourages initiative and creative problem-solving.
• Inclusive workplace committed to equal opportunity and affirmative action.