products in the app, climb tiers, and spend them on coupons, discounts, better loan rates, that kind of thing. The interesting part of my job is keeping it up when a campaign triples traffic overnight.
Most of it is .NET and C#, some Java and Spring Boot, all on AWS. I design the APIs, tune the slow queries across DynamoDB and PostgreSQL, and spend a fair amount of time in Datadog working out why latency moved. The last few years have been mostly event-driven systems, so that's where I'm most useful.
I care a lot about code being clear enough that nobody gets paged over it at 2am. I reach for Clean Architecture, DDD and SOLID when they help and leave them alone when they don't — I've seen all three turn into busywork. I also review a lot of PRs and pair with the mid-level devs on the team, which turned out to be the part of the job I like most.
Currently studying for the AWS Solutions Architect Associate and wrapping up a postgrad in software architecture. I work remotely with US companies, overlap US time zones comfortably, and I'm open to full-time or contract.
Stack: C#, .NET (Core/6/7/8+), Java, Spring Boot, Entity Framework, Dapper · AWS (ECS, EC2, Lambda, DynamoDB, S3, SQS, SNS, CloudWatch), Docker, Kubernetes, Terraform · SQL Server, PostgreSQL, MariaDB · Microservices, Event-Driven, DDD, Clean/Hexagonal Architecture, TDD, CI/CD · Datadog, Splunk, Grafana, xUnit, Testcontainers, NBomber
English (C2, EF SET certified) · Portuguese (native)