Senior Backend Engineer (AI)

TL;DR

Senior Backend Engineer (AI): Designing and optimizing high-stakes backend systems for identity, access, and monetization for a global AI platform with an accent on handling massive scale, complex tiered licensing, and strict security requirements. Focus on architecting distributed systems, ensuring data consistency across microservices, and protecting revenue streams from fraud.

Location: Hybrid in London, Munich, Cologne, Amsterdam, or Berlin

Company

hirify.global is a global AI product and research company building secure, intelligent solutions for complex business problems in language AI and beyond.

What you will do

• Design backend systems for Identity (SSO/SCIM) and Billing, making high-stakes trade-offs in distributed environments.
• Guard revenue data by ensuring ledgers are immutable, access controls are secure, and systems are auditable.
• Decompose ambiguous business requirements into clean, maintainable backend architecture.
• Mentor the team on best practices for C#/.NET Core, gRPC, and Event-Driven Architecture (Kafka).
• Set standards for code reviews and system design.

Requirements

• Strong understanding of distributed systems, microservices, idempotency, and distributed locking.
• Experience with (or strong desire to master) IAM, Fraud Prevention, or Fintech/Billing architectures.
• Proactive identification and resolution of security vulnerabilities and scaling bottlenecks.
• Ability to choose reliable, pragmatic architectural solutions over complex, novel tools.
• Leverage AI-powered tools to accelerate velocity and focus on high-value architectural decisions.

Culture & Benefits

• Join a diverse and internationally distributed team of over 90 nationalities.
• Benefit from open communication and regular, empathetic feedback.
• Enjoy a hybrid work schedule with flexible hours, coming into the office twice a week.
• Receive Virtual Shares, linking your contribution directly to hirify.global’s growth and future success.
• Participate in regular in-person team events and monthly full-day hacking sessions.
• Receive 30 days of annual leave (excluding public holidays) and access to mental health resources.
• Access a competitive benefits package tailored to your unique location.