Platform architecture and delivery
System design, package boundaries, technical decision-making, and end-to-end execution for products that need to keep evolving after launch.
Architecture, Delivery, and Product & Platform Systems
Rafael Aguirre
I design and ship product systems where architecture, execution, and operational reality all matter.
I work with founders and product teams to turn ambiguous requirements into maintainable platforms across backend services, frontend applications, payments, cloud infrastructure, and delivery workflows.
Looking for someone to own technical direction and execution across product and platform systems? Let's talk.
What I Do
I work across SaaS, commerce, cloud, blockchain, and AI-enabled products, with the most value in architecture-heavy builds that need clear boundaries, reliable execution, and room to evolve.
platform architecture commerce and payment flows backend and cloud systems architecture reviews and design docs AI workflows and tool orchestration blockchain integrations where they fit
How I Work
- I translate unclear ideas into structured, working systems.
- I set technical standards and mentor teams through complex builds.
- I align clients, product, design, and development teams around scope and tradeoffs.
- I prioritize maintainability and long-term scalability.
- I move quickly without over-engineering.
- I use AI where it improves delivery, and I build secure tool and workflow infrastructure when products need it.
9+
Years delivering production systems
10+
Architecture-heavy client systems delivered
up to 15
Team scale led
9+
Years across blockchain and product systems
Stack at a Glance
backend, cloud, commerce, blockchain
Solana
Solidity
Rust
Go
Node.js
TypeScript
React
Next.js
RE React Native
Flutter
PostgreSQL
MongoDB
AW AWS
Terraform
Google Cloud
KU Kubernetes
Where I Add Leverage
I'm most useful where architecture, execution, and product ambiguity overlap.
I work across SaaS, commerce, cloud, blockchain, and AI-enabled products, with the most value in architecture-heavy builds that need clear boundaries, reliable execution, and room to evolve.
The through line is technical ownership: shaping architecture, writing design documentation, aligning stakeholders around tradeoffs, mentoring developers, and keeping systems adaptable as requirements evolve.
Commerce and payment systems
Checkout flows, payment integrations, order workflows, webhook handling, and the operational details that make commerce products reliable.
Backend, cloud, and AI systems
APIs, background jobs, queues, secure integration gateways, workflow execution, and infrastructure decisions that support real product constraints.
Blockchain integrations where they fit
Smart contract integrations, wallets, and exchange-adjacent product systems used where they support the product rather than dominate it.
Focused Consulting
Senior technical judgment for architecture, prototypes, and AI-enabled workflow systems.
Short, focused engagements for teams that need practical direction before or during a build, without turning the work into a long agency process.
Software architecture reviews
Independent review of system design, platform boundaries, technical risk, scalability, implementation tradeoffs, and delivery plans.
Prototype and product direction
Turning an early idea into a practical technical scope, first build path, milestone plan, and implementation slice.
AI-enabled workflow systems
Workflow audits, secure tool integrations, MCP/tool orchestration, internal automation, and implementation support around real business processes.
Best fit: architecture reviews, prototype planning, technical risk reviews, workflow audits, secure tool integrations, and hands-on implementation support.
Email about consultingExperience
Built through startups, client delivery, and infrastructure-heavy teams.
I focus on technical ownership, architecture decisions, and execution quality from planning through production support.
EastCode Blockchain Labs
Technical Lead / Senior Full-Stack Developer (Founder)
2017 - Present
Canada
- Lead architecture and delivery across custom web, mobile, backend, blockchain, and cloud systems for client engagements.
- Built production platforms including payment systems, admin systems, wallet applications, NFT tooling, and decentralized exchange products.
- Set technical direction through proposals, architecture reviews, design documentation, development standards, and mentoring across teams of up to 15 people.
- Integrated smart contracts across EVM and Solana ecosystems while guiding delivery quality and cross-functional execution.
ATMTA Inc.
Infrastructure Engineer
2021 - 2023
Remote
- Managed infrastructure supporting the Star Atlas marketplace and related blockchain platform services during a high-traffic production launch.
- Led deployment, environment, and secret-management decisions that improved release consistency and reduced operational risk.
- Assessed infrastructure requirements for new services, performed scalability testing, and guided follow-up optimization based on production needs.
Multichain Ventures
Development Lead
2018 - 2020
Remote
- Led development of React Native wallet features, including two-factor authentication and transaction-management workflows, with emphasis on release quality.
- Built reusable internal tooling and shared npm packages that standardized implementation patterns across the team.
- Owned DevOps, Kubernetes, SRE, and development workflow standards that improved delivery consistency across supported platforms.
Tokes Platform
Software Developer
2017 - 2020
Remote
- Built blockchain payment, explorer, and transaction-visibility systems around a blockchain-based payments platform.
- Implemented KYC and third-party integration workflows that extended platform capabilities and supported operational finance requirements.
- Contributed to platform integrations and operational tooling that improved visibility and extended product functionality.
Sigwo Technologies
Software Developer
2017 - 2019
Remote
- Worked on blockchain product concepts across custom chain integrations and distributed application tooling.
- Developed cross-chain and decentralized application concepts, including bridge and database tooling, for blockchain product use cases.
- Handled supporting infrastructure and prototype delivery for blockchain-oriented application work.
Representative Engagements
A few examples of the kind of work I tend to own.
These are intentionally generalized, but they reflect the level of technical ownership, delivery responsibility, and production context I typically work in.
Blockchain marketplace / infrastructure-heavy launch
Marketplace launch infrastructure
What I owned: Owned launch-readiness planning, deployment workflows, secret management, and post-launch scalability work.
What changed: Helped the platform move through a high-traffic release window with stronger operational consistency and a clearer path for follow-up optimization.
DEX, payments, NFT, and smart contract systems
Exchange and blockchain product architecture
What I owned: Led architecture and technical direction across smart contract integrations, admin tooling, wallet flows, and client-facing product systems.
What changed: Turned ambiguous product requirements into shippable systems while keeping integration quality, maintainability, and delivery standards intact.
Selected Work
Products and platforms where that work shows up publicly.
Public-facing examples across product and platform systems, tool-enabled workflows, gaming, and blockchain product environments.
Portfolio
Projects I'm building in public.
EcomSaaS
Multi-tenant commerce platform built as a TypeScript monorepo with vendor and storefront apps, Stripe payments, shared domain packages, worker flows, and Terraform-based infrastructure work.
TypeScript NestJS Next.js Supabase Stripe Redis BullMQ Turborepo Terraform GCP
rafaeloaguirre.com
Personal website and technical blog built with Astro 6, MDX, Tailwind 4, and deployed to Cloudflare Workers.
Astro TypeScript Tailwind CSS MDX Cloudflare Workers
Articles
Writing about architecture, trade-offs, and what holds up in practice.
Article
Building repeatable AWS environments for a multi-service platform under delivery pressure
How I used Terraform, ECS/Fargate, Cognito, and reusable AWS modules to make dev, staging, and production repeatable under delivery pressure.
aws terraform platform engineering infrastructure cloud architecture
Article
I built a Polymarket trading system. What I learned.
A Polymarket automation project that turned into a low-latency, event-driven trading system with wallet routing, monitoring, and reconciliation.
polymarket trading systems architecture web3
Working With Me
Looking for a senior technical lead who can own technical direction and execution?
I work with founders and product teams to build new products, improve existing platforms, and deliver against real constraints across backend services, frontend applications, payments, infrastructure, and blockchain integrations where they fit.
I also take on focused consulting work where teams need software architecture reviews, technical direction, AI-enabled workflow and tooling reviews, or hands-on delivery support.