Principal Architect - AI-Native FinTech Systems

Kueski; Región Centro; On-site; MXN 1,800,000 - 2,600,000; Full time

Job summary

Kueski is seeking a Principal Software Engineer to own the technical strategy across Kueski Pay, Kueski Cash, and the shared platforms behind them, reporting to the CTO. This role requires strong architectural judgment and a track record of setting multi-year technical direction in fintech environments with reliability, security, fraud prevention, and compliance at its core.

You will translate priorities into a coherent multi-year architecture, drive an AI-native transformation, and raise the

Qualifications

• 15+ years building software, with 4+ years at Staff, Principal, or equivalent technical‑leadership scope across multiple teams.
• Track record defining and delivering multi-year architecture for high-scale, distributed, transactional systems.
• Deep expertise in distributed systems, financial domain modeling (money movement, ledgering, identity), observability, CI/CD, and cloud infrastructure.
• Evidence of measurable impact on reliability (CFR, MTTR, incident reduction), cost of ownership, or delivery speed.
• Several years designing and shipping ML/AI systems in production at scale, including agentic or LLM-based systems.
• Familiarity with MLOps/LLMOps tooling and production observability for AI.
• A point of view, backed by results, on transforming a legacy engineering organization into an AI-native one.
• Preferred experience in fintech, payments, lending, or another regulated industry, with hands‑on work on security, fraud, and compliance; ideally shipping AI in credit, risk, collections, fraud, or underwriting.
• Experience partnering directly with C-level leaders and translating strategy into technical roadmaps.
• Proven record of growing senior engineers into Staff‑level leaders.
• Excellent written and spoken communication in English and Spanish.

Responsibilities

• Technical Strategy & Architecture: Define the multi-year technical strategy across domains with the CTPO and engineering and product leadership.
• AI-Native Transformation: Own the AI-native transformation roadmap and the context engineering standards.
• Engineering Leadership & Influence: Set technical direction for the AI Enabling Team and coach Staff engineers.

Skills

Architectural strategy

Distributed systems

Fintech domain modeling

Observability

CI/CD

Cloud infrastructure

AI/ML systems

MLOps/LLMOps tooling

Security and fraud

Regulatory compliance

Executive collaboration

Job description

Kueski is seeking a Principal Software Engineer to own the technical strategy across Kueski Pay, Kueski Cash, and the shared platforms behind them, reporting to the CTO. This role requires strong architectural judgment and a track record of setting multi-year technical direction in fintech environments with reliability, security, fraud prevention, and compliance at its core.

You will translate priorities into a coherent multi-year architecture, drive an AI-native transformation, and raise the