Architecture protects product speed
Clear boundaries, explicit contracts and small cohesive modules keep systems adaptable without hiding complexity behind generic layers.
Senior engineering for systems that need to endure
Anderson Espindola
Full-Stack Senior Software Engineer building resilient products, distributed systems and high-performance software platforms.
9+
years across product engineering and backend systems
2
large-scale financial platforms in production contexts
15+
technologies applied across APIs, data and infrastructure
24/7
operational mindset for reliability and delivery
production-thinking.sh
~/systems$resolve product constraints -> architecture boundaries
~/systems$model domain invariants -> pure transformations
~/systems$ship services -> observe latency, saturation, errors
~/systems$scale through queues, caches, contracts and feedback loops
architecture.tstyped boundaries
01type SystemBoundary = {02 domain: PureRules;03 application: UseCases;04 adapters: Ports;05 infrastructure: Effects;06};0708const ship = compose(09 validateContracts,10 isolateSideEffects,11 observeRuntimeBehavior,12 keepProductFeedbackTight,13);About
I design and build software where product ambition meets operational reality.
A portfolio experience built as a technical operating system: concise, calm, cinematic and centered on the work required to ship resilient software.
My work sits between full-stack product delivery, backend architecture, distributed systems, reliability and developer tooling. I care about systems that remain understandable after the first release and teams that can keep shipping without accumulating invisible risk.
The engineering style is deliberately functional where it matters: immutable data, explicit boundaries, composable transformations and isolated effects. OOP, SOLID, MVC, MVT, Onion Architecture and Clean Architecture are treated as practical tools, not ceremony.
Software Architect
Distributed Systems Engineer
Performance-Oriented Engineer
Functional Programming Engineer
DevOps Engineer
Systems Design Specialist
Full-stack product engineering
Distributed backend systems
Performance and reliability
Architecture under pressure
Engineering philosophy
Software should be easy to reason about before it needs to be easy to scale.
A senior engineering practice built around explicit boundaries, production feedback and long-term system evolution.
Functional core, operational shell
Business rules are modeled as predictable transformations while infrastructure effects stay isolated, observable and replaceable.
Performance is a design property
Latency, memory, throughput and failure modes are considered from the first decisions, not added as a late optimization pass.
Architecture
A modular frontend and product architecture mindset shaped by Onion and Clean Architecture.
Domain rules stay protected in the center. Frameworks, runtimes, brokers and databases remain replaceable details around the system.
Systemsarchitecture
TypeScriptNode.jsReactNext.jsElixirRustKafkaK8sPostgresRedis
Interface
Next.js, API clients, typed contracts
Application
Use cases, orchestration, policy
Domain
Pure rules, value objects, invariants
Infrastructure
Databases, brokers, queues, cloud
Technical expertise
A broad stack organized by responsibility, not by checklist.
The stack is presented as engineering capability: interface, backend, data, messaging, operations and design practice.
Frontend systems
React, Next.js, TypeScript and UI architectures designed for maintainable product surfaces.
ReactNext.jsTypeScriptJavaScriptTailwindCSS
Backend platforms
Node.js, Python, Go, C#, Rust, Elixir and service boundaries that support real operational load.
Node.jsPythonGolangC#RustElixir
Data and persistence
Relational, document, graph and cache systems selected by access pattern instead of trend.
PostgreSQLMySQLSQL ServerMongoDBNeo4jRedisKeyDB
Messaging and distribution
Event-driven architecture, queues, consistency tradeoffs and asynchronous service collaboration.
KafkaRabbitMQEvent streamsWorkersOutbox patterns
Cloud and operations
Containers, orchestration, deployment flows and observability built into delivery practice.
DockerKubernetesCI/CDSRECloud-native
Software design
Clean Architecture, Onion Architecture, SOLID, OOP and functional modeling used pragmatically.
SOLIDOnion ArchitectureMVCMVTClean Architecture
Throughput
Observability
Scalability
Resilience
Distributed systems
Designing services as product infrastructure, not isolated code repositories.
A distributed system is not a diagram. It is a set of tradeoffs around latency, consistency, isolation, observability and failure recovery.
API boundary
typed contracts
Event stream
Kafka / RabbitMQ
Workers
idempotent effects
Storage
SQL / Graph / Cache
Performance engineering
Fast interfaces and predictable systems share the same discipline.
- SSR and streaming for fast first paint
- Bundle splits and lazy sections
- GPU accelerated motion
- Memoized interaction surfaces
- Operational thinking around latency and saturation
Functional programming
Immutable data, composition and explicit effect boundaries make complex backend systems easier to test, operate and evolve.
Featured projects
Open source work with a product-engineering shape.
Public tools that reflect a preference for developer workflows, local-first systems and pragmatic automation.
arch-draw
Arch Draw
Architecture drawing workspace for modeling software systems, infrastructure flows and technical diagrams with a focused engineering interface.
open https://archdraw.com.br
Turns system design thinking into visual artifacts that are easier to discuss, evolve and review.
ArchitectureSystem DesignDiagramsReactTypeScriptEngineering tools
@andespindola/brainlink
Brainlink
Local-first knowledge memory for agent workflows with Markdown vaults, backlinks, indexing and context retrieval.
npm install @andespindola/brainlink
Transforms unstructured notes into retrievable engineering context.
TypeScriptNode.jsMCPSQLiteCLIKnowledge graph
Experience timeline
A trajectory through product engineering, backend architecture and reliability.
Experience shaped inside financial products, production reliability and backend systems with real operational pressure.
2024 - Present
Software Engineer & SRE
Itau Unibanco
Reliability, deployment flows, cloud operations and backend service evolution in production environments that demand operational discipline.
2021 - 2024
Software Engineer
PicPay
Backend services, GraphQL APIs, Kafka workers, data-intensive flows, Neo4j social graph features, modernization and distributed system delivery.
2024 - 2027
Systems Analysis and Development
PUC Minas
Formal engineering foundation expanded through architecture, backend design, systems thinking and collaborative product delivery.
Contact
Build the system before complexity builds itself.
Open to senior engineering, architecture-heavy product work, platform initiatives and complex systems that need technical depth.