Available for select projects

I engineer scalable software, AI systems, and cloud architecture.

Partnering with product teams and founders to analyze requirements, architect resilient platforms, and ship production-grade software. From SOC 2 Type II and ISO 27001 compliance to end-to-end web and mobile execution.

WhatsApp Explore focus areas
Sergio Toro — AI Engineer & Software Architect
✓
15+ years
shipping production systems
🛡
SOC 2 & ISO 27001
audit & compliance specialist

Senior technical leadership and execution.

Hands-on engineering across the entire software lifecycle, from early product architecture to enterprise compliance and scale.

🤖
founders · ctos · product leads

AI Engineering

Working closely with product teams to design and build scalable, production software powered by modern AI models, robust agent workflows, and clean data integrations.

📐
tech leads · vps engineering · ctos

Software Architecture

Analyzing complex domain requirements, making pragmatic technical decisions, and designing clean, decoupled systems that evolve gracefully as your team grows.

☁
ctos · platform teams · founders

DevOps & Cloud Migrations

Provisioning resilient cloud infrastructure with modern Infrastructure as Code (Terraform, AWS, Cloudflare), zero-downtime migrations, and automated CI/CD pipelines.

🛡
b2b saas · healthtech · fintech

Security & Compliance (SOC 2 & ISO 27001)

Expert implementation of technical security controls, automated audit evidence pipelines, and policies for SOC 2 Type II and ISO 27001 enterprise certifications.

⚡
marketing teams · founders · growth

Website Development

Crafting ultra-fast, accessible, and search-optimized web applications with modern SSR frameworks, edge rendering, and flawless responsive user experiences.

📱
product teams · consumer startups

Mobile Development

Designing and delivering intuitive, high-performance cross-platform and native mobile applications with robust state management and seamless backend integration.

Real systems, successful migrations, and certifications.

Proven track record delivering critical milestones for startups and scale-ups.

SOC 2 & ISO 27001
certified & compliant
Security & compliance transformation
Led end-to-end technical control implementation, continuous compliance pipelines, and successful audits for ISO 27001 and SOC 2 Type II certifications.
Oli · Platform & Architecture Lead · 2023–present
3 months
vercel → aws fargate
Cloud infrastructure migration
Migrated core platform to a secured AWS Fargate microservices architecture with VPC isolation, audit logging, VPN, and automated Terraform IaC.
Oli · Senior DevOps Engineer · 2022–2023
0 → Scale
founding engineering team
Product built from scratch
Part of the early engineering team, building core product foundations and scaling architecture from zero into a high-growth business travel leader.
TravelPerk · Software Engineer · 2015–2017
DDD & Modern Stack
architecture overhaul
Codebase maintainability & scale
Introduced Domain-Driven Design, observability, and robust architecture patterns, transforming a brittle legacy codebase into a flexible foundation.
Oli & Advisory · Senior Software Engineer · 2022

Flexible, outcome-driven collaboration.

Clear scopes tailored around your engineering bottlenecks and strategic goals.

┌──────────────────────────────────┬────────────────┬────────────────────┬────────────────────────────────┐
│ engagement                       │ duration       │ format             │ best for                       │
├──────────────────────────────────┼────────────────┼────────────────────┼────────────────────────────────┤
│ architecture & ai audit          │ 1–2 weeks      │ async / workshop   │ ctos, founders                 │
│ cloud & devops migration         │ 1–3 months     │ embedded           │ scaling teams                  │
│ soc 2 & iso 27001 readiness      │ 2–4 months     │ embedded           │ series a–b, b2b saas           │
│ web & mobile development         │ sprint-based   │ embedded / project │ product teams, startups        │
│ fractional architect / tech lead │ ongoing        │ part-time          │ growing engineering teams      │
└──────────────────────────────────┴────────────────┴────────────────────┴────────────────────────────────┘

From product vision to production-grade reality.

Bridging product discovery with rigorous engineering, scalable cloud systems, and compliance safeguards.

01

Requirements & Technical Direction

Deep dive into product requirements, domain constraints, and trade-offs to establish a pragmatic, prioritized technical roadmap.

02

Scalable Software & AI Implementation

Building high-performance web, mobile, and backend systems with clean architecture, robust AI capabilities, and maintainable patterns.

03

DevOps, Security & Enterprise Readiness

Hardening infrastructure with automated CI/CD, cloud provisioning, and technical controls to achieve SOC 2 Type II and ISO 27001 compliance.

Let's discuss your product and architecture.

Whether you need guidance on AI engineering, an infrastructure migration, SOC 2 / ISO 27001 certification, or web and mobile development, the first conversation is always open.

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