Senior Backend Engineer (Go)

TL;DR

Senior Backend Engineer (Go): Building and evolving high-load in-game economy services and SDKs with an accent on monetization systems, purchase flows, and event-driven architecture. Focus on designing scalable backend services, ensuring system reliability under heavy production traffic, and leading architectural decisions across the studio.

Location: Must be based in or able to work from São Paulo (Hybrid)

Company

hirify.global is a leading global mobile game developer and publisher with over 60 titles and billions of players worldwide.

What you will do

• Own the in-game economy stack, including purchase management, receipt validation, and player journey services.
• Lead the design and implementation of complex features across mobile and backend systems.
• Design and evolve backend services in Go, utilizing DynamoDB, Redis, Kafka, and gRPC.
• Diagnose and resolve production incidents, including latency spikes and scale bottlenecks.
• Partner with game teams to unblock integrations and validate new features under real-world load.
• Mentor engineers through code reviews, design discussions, and pairing.

Requirements

• Solid experience designing and operating backend systems at scale.
• Strong hands-on skills in Go and comfort with Node.js.
• Practical experience with NoSQL databases (DynamoDB), streaming platforms (Kafka), and Kubernetes.
• Comfort operating in production environments with observability tools like Datadog or Prometheus.
• Working proficiency in English is required for cross-regional collaboration.

Nice to have

• Experience with mobile in-app purchase ecosystems (Apple StoreKit, Google Play Billing).
• Hands-on experience with C# and Unity SDK development.
• Native mobile development experience in Kotlin or Swift.
• Familiarity with Dart, TypeScript, Terraform, and CI/CD pipelines.

Culture & Benefits

• Opportunity to work on high-throughput games with global impact.
• Collaborative environment focused on technical excellence and system ownership.
• Direct involvement in architectural decisions that influence product metrics.
• Participation in on-call rotations to ensure system reliability and continuous improvement.