namespace Portfolio { public class Program { public static void Main(string[] args) {
int visitorCount = ...;
|} } }
I'm a software engineer specializing in backend development and data architecture. I excel at designing efficient database systems, building reliable APIs, and creating scalable server-side solutions. Passionate about writing clean code and solving complex technical challenges.
Architecting efficient database schemas and optimizing queries for performance and scalability.
Building robust RESTful APIs and integrating third-party services for seamless data flow.
Developing scalable server-side applications with clean, maintainable, and testable code.
Tackling complex data challenges with analytical thinking and efficient algorithms.
My professional journey and key contributions
Fiserv
Jul 2025 - Present
Maintain critical production workflows ensuring system reliability and uptime
Modernize legacy systems with updated architecture and best practices
Integrate and optimize CI/CD pipelines for streamlined deployment processes
Fiserv
Jun 2024 - Jul 2025
Contributed to core banking platform development and maintenance
Collaborated with cross-functional teams on technical solutions
Supported production systems and resolved technical issues
Fiserv
Jan 2023 - Jun 2024
Developed and maintained financial services applications
Participated in code reviews and quality assurance processes
Gained expertise in enterprise-level software development
Technologies and tools I use to bring ideas to life
React / Next.js
90%
TypeScript
85%
HTML / CSS
95%
Material-UI
80%
.NET / C#
90%
Oracle
85%
PostgreSQL
75%
ML.NET / PyTorch
40%
Git / GitHub
90%
Jenkins / Actions
80%
Docker
65%
REST APIs
85%
Here are some of my recent projects that showcase my skills and experience
A full-featured near real time stock monitoring dashboard that allows you to view and track current NYSE stocks and asking oLamma models what the thought on the recent performance is. Using ASP.NET API backend with a React frontend, it provides stock data visualization and trading capabilities via the AlpacaAPI.
Physical game created with utilizing microcontrollers, relays, 3D Modeling, LCD Screens and more.
Have a project in mind or want to collaborate? Feel free to reach out!
saebastion@gmail.com
Location
Omaha Nebraska, USA