Senior Software Engineer
Sequenza IT Solutions · Technical Consultant for Globalstar
Working on the development, maintenance and modernisation of critical systems and customer-facing platforms in a global satellite communications environment.
Senior Software Engineer Florianópolis · Brazil
Fernando Augusto Santos.
Backend engineer focused on Java, Spring Boot, AWS and software architecture.
01 / Profile
I build software systems where architecture, reliability and business context matter as much as the code.
I'm a Senior Software Engineer and Technical Consultant with over 10 years of experience across backend engineering, APIs, integrations, databases, cloud and legacy modernisation.
Today, my strongest focus is Java, Spring Boot, AWS, microservices and asynchronous integrations. My broader background across .NET, Ruby, PHP and frontend systems helps me understand the whole system rather than a single layer.
10+years in software
6years at Sequenza
4years in Australia
8IELTS overall band
02 / Engineering
Technical profile
Deep where it counts.
Broad by experience.
Core
JavaSpring BootSpring SecuritySpring Batch
Architecture
MicroservicesREST APIsSoftware ArchitectureSystem DesignEvent-Driven ArchitectureDesign Patterns
Cloud & DevOps
AWSSNSSQSDockerTerraformAnsibleCI/CDJenkinsBambooGitHub
Data
OracleSQL ServerMySQLMongoDBPL/SQLJPAHibernate
Reliability
ObservabilitySREDevSecOpsAutomated TestingSelenium
Legacy / Full-stack
C# / .NETASP.NETRuby on RailsPHPReactAngularJS
03 / Experience
Career
Different stacks.
Same engineering mindset.
Mid-level Programmer Analyst
OLOS Tecnologia
Backend APIs, system integrations and automated FTP file-processing services using C#, .NET Framework and SQL Server.
Software Developer
Helix Code · Independent
Custom full-stack systems, including a real estate asset management platform built with ASP.NET Core, React and MongoDB.
Professional & Academic Development
Sydney, Australia
Four-year period in Australia focused on professional and academic development, cultural immersion and English language development.
Junior Software Developer
Locaweb
Development and maintenance across Email, PaaS and Enterprise Applications using Ruby on Rails, PHP, C#, MySQL and Redis.
Software Development Intern
BRQ
Worked on a project for Itaú, supporting .NET development, Oracle and PL/SQL queries, technical documentation and test scripts.
Software Development Intern
System Marketing Consulting Ltda.
Supported database operations and data preparation for contact-centre campaigns, including SQL Server queries and data-loading routines.
04 / Selected Work
Case studies
Real problems.
Technical decisions.
01GLOBALSTAR · PROFESSIONAL
Satellite Communication Platforms
Critical software systems and customer-facing platforms in a global satellite communications environment.
THE PROBLEM
Connect applications, APIs, legacy components and asynchronous services while keeping critical workflows reliable.
THE APPROACH
Java and Spring Boot services, REST APIs, AWS SNS/SQS integrations and Oracle-based workflows, alongside incremental legacy modernisation.
MY ROLE
Senior Software Engineer / Technical Consultant
02HELIX CODE · INDEPENDENT
Real Estate Asset Management
A web platform created to manage real estate assets and support business operations.
THE PROBLEM
Bring operational information into one application while supporting different workflows and business rules.
THE APPROACH
React frontend with a REST API built in ASP.NET Core and C#, using MongoDB for persistence.
MY ROLE
Full-stack development · Requirements · Testing · Support
03LOCAWEB · PROFESSIONAL
Email & Enterprise Platforms
Products and internal systems across email, PaaS and enterprise applications.
THE PROBLEM
Deliver product features inside established systems while maintaining reliability and compatibility.
THE APPROACH
Ruby on Rails, PHP, MySQL and Redis, plus Microsoft Dynamics CRM and Roundcube customisation.
MY ROLE
Software Developer · Features · Maintenance · Automated testing
Professional case studies are intentionally described at a high level to respect client and employer confidentiality.
05 / International
SYDNEY,
AUSTRALIA
AUSTRALIA
Four years abroad shaped my communication, autonomy and ability to work across cultures. I completed software development and project management studies while living in Sydney.
IELTS General TrainingBand 8EN / PT
06 / Education
Education
Continuous learning,
grounded in engineering.
MBA · Cloud Computing & DevOps
Impacta Tecnologia
MBA · Software Engineering
FIAP
Bachelor's Degree · Information Systems
Centro Universitário FMU | FIAM-FAAM
Diploma · Project Management
Greenwich College
Diploma · Information Technology (Software Development)
Holmes Institute, Australia
Technologist Degree · Systems Analysis and Development
FIAP
Technical Diploma · Information Technology
ETEC – Escola Técnica Estadual de São Paulo
07 / Beyond Code
A different kind of field work
Volunteer diver.
Marine conservation.
During my years in Australia, I volunteered with the PADI AWARE Foundation, supporting marine conservation initiatives, underwater debris collection and environmental awareness efforts.
08 / Contact
Open to the right challenge
Let's build
something useful.
I'm open to Senior Software Engineering and Technical Consulting opportunities in Brazil and with international, distributed or remote teams, particularly in environments that value autonomy, adaptability and technical depth.