Lead Software Architect – Regulated Cross‑Border Payments

About the role

Obsidiam is looking for a Lead Software Architect to define and build the technical foundation of a regulated cross‑border payments platform targeting Latin America. You will translate the product vision into a secure, compliant architecture and guide the engineering team from concept to production.

Key responsibilities

• Convert business and product goals into a clear technical blueprint.
• Design a multi‑jurisdiction, regulated payments system covering custody, liquidity, banking and local payment rails, FX, API layer and reconciliation.
• Make build‑vs‑buy decisions across the stack and set engineering standards, CI/CD pipelines and road‑maps.
• Architect compliance and security controls (AML, key management, transaction integrity) from day one.
• Define team composition, estimate headcount and required specialties.
• Identify and mitigate technical and security risks before capital commitments.

Required profile

• Senior or principal‑level experience as a software architect or staff‑engineer, preferably with 0→1 product builds.
• Deep hands‑on expertise in AI, machine learning, operations research and optimization.
• Strong background in payments, fintech or digital‑asset infrastructure (stablecoin, treasury, cross‑border FX).
• Extensive experience with distributed systems, event‑driven and cloud‑native architectures (Kubernetes, GitOps).
• Security‑first mindset and proven ability to design for regulated environments.
• Experience with wallet/custody, liquidity/trading integrations, banking‑as‑a‑service or local payment rails.
• Knowledge of the Latin American market; excellent English, Spanish or Portuguese a plus.

Required skills

• AI
• Machine learning
• Operations research
• Optimization
• Payments and fintech systems
• Digital‑asset infrastructure
• Stablecoin and treasury management
• Cross‑border FX
• Distributed systems
• API design
• Event‑driven architecture
• Cloud‑native architecture
• Kubernetes
• GitOps
• Security and regulated‑environment design
• Wallet/custody infrastructure
• Liquidity/trading integrations
• Banking‑as‑a‑service
• Local payment rails

What we offer

• Initial on‑site immersion in San José with the founding team.
• Hybrid work model with remote flexibility after the first month.
• Opportunity to shape a high‑impact fintech product in a fast‑growing market.