Deputy CTO

Billease is seeking a Deputy Chief Technology Officer (Deputy CTO) who will serve as a senior technical authority and a trusted partner to the CTO. This role requires deep hands-on expertise, a strong theoretical foundation, and proven experience designing, building, and operating complex systems within a fintech environment.

The Deputy CTO will independently drive architectural decisions, ensure platform stability, security, and scalability, and effectively bridge engineering execution with business and regulatory requirements.

Architecture & Technical Leadership

• Design, evolve, and govern scalable, secure, and highly available architectures.
• Strong experience with microservices, event-driven systems, and modular monoliths, with clear trade-off analysis.
• Deep grounding in design patterns, SOLID principles, and Clean Architecture.
• Lead architecture and code reviews, technical due diligence, and major design decisions.
• O...