About the RoleWe are publishing on behalf of a client a senior-level Chief Technology Officer (CTO) role focused on building, operating, and owning mission-critical transactional systems. The CTO is responsible not for writing code personally, but for ensuring that systems operate correctly, securely, and reliably at all times.Key Responsibilities• Design and launch transactional infrastructure (payments, bookings, statuses)• Build and own state machine and event-driven architecture• Implement idempotent operations to prevent double charges and inconsistent states• Integrate payment providers (webhooks, retries, reconciliation)• Ensure full auditability and traceability of all system operations• Oversee system security, including access rights, roles, and secrets• Organise and govern production support (SLAs, incidents, post-mortems)• Provide architectural leadership and accountability for system outcomes
ExperienceTransactions & Payments:• Proven hands-on experience with payments, webhooks, idempotency, and reconciliation• Clear understanding that a successful HTTP response does not necessarily equal a successful transactionArchitecture:• Design and operation of state machines and event-driven systems• Ability to clearly explain system states, recovery after failures, and handling of repeated or delayed eventsSecurity & Control:• Hands-on experience with role-based access control (RBAC), audit logs, and secrets management• Experience working with legally or financially sensitive dataProduction & Accountability:• Experience running live production systems with defined SLAs• Exposure to incidents and post-mortem processes• Strong ownership mindset and responsibility for system reliabilityStrong Advantages• Experience in FinTech, escrow, booking, or wallet-based systems• Experience in regulated or quasi-banking environments• Scaling of transactional platforms• Involvement in incidents with real financial impactProfiles Not a Fit for This Role• Experience limited to marketing websites, landing pages, CRM, or admin panels• Primary focus on UI/UX with limited backend responsibility• No exposure to real-money transactions or production incidentsWork Format• High level of autonomy and responsibility• Direct impact on core product architecture• Quality-driven engineering environment• Hybrid work model with initial flexibility and a later transition to combined office-based work• Role requires 100% professional involvementLanguage Requirements• English – fluent• Additional languages are a strong advantageRecruitment Process & ApplicationThis role is published on behalf of a client. Kindly submit your CV in English.
