Tiago O.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Software Engineer with a Master’s degree and more than 15 years of experience, specializing in back-end development. Extensive proficiency in designing and building scalable, low-latency and fault tolerance systems within distributed, microservices, and event-driven architectures. Experience with DevOps, CI/CD and technical leadership, including mentoring junior/mid-level engineers and overseeing full software development life cycles. More than 12 years of experience with C/C++ and C# and 10 years with Python. SKILLS - Programming Languages: C/C++, C#, Python, Java and JavaScript - Libraries: WPF, Unity, .NET, .NET CORE, Entity Framework (EF), Flask, FastAPI and pthreads - Databases: MySQL, Microsoft SQL Server, SGDB Oracle, SQLite, Actian NoSQL (Versant), MongoDB and DynamoDB - Systems Architectural Styles: API, REST API, Distributed, Microservices, Event-driven and Apache Kafka - Testing: Stress test, Load, TDD, xUnit, NUnit and PyUnit AWS: Kafka, SQS, Lambda, EC2, RDS, S3, API Gateway, VPC, Route 53 and CloudWatch - Tools & others: Linux/Bash, RabbitMQ, HTML/CSS, Agile, Scrum, Git, Jenkins, Github Actions, Docker, Kubernetes, cryptography and CI/CD Education: - Master in Computer Science at UNIFESP (2016 - 2018) - Bachelor in Computer Science at UNIFESP (2012 - 2015) - 3 yr Computer Course with emphasis in C# (2008 - 2010)