Senior Full-Stack Software Engineer

Eric Alfinito Kreis

Building systems that scale. Designing experiences that last.

About Me

I'm a trilingual engineer who turns complex business problems into elegant, scalable systems. From designing backend architectures that serve thousands of users to mentoring the next generation of developers, I thrive at the intersection of deep technical craft and real-world impact.

5+Years of Experience

3Languages Spoken

4Products Shipped

150+Students Mentored

TypeScriptReactNext.jsNode.jsNestJSPythonPostgreSQLMongoDBRedisDockerKubernetesAWSRabbitMQGitHub Actions

System Architecture

Full-stack systems designed for scale, reliability, and developer experience

Workflow Engineering

Transforming chaos into structured, automated workflows

End-to-end workflow delivery

Automated release pipelines

Rapid data analysis at scale

I don't just build systems — I build the environment that makes building systems better.

Career Journey

Apr 2025 – Present

Société Générale

Software Engineer (Consultant)

End-to-end BPMN workflows for finance and risk onboarding

Jan 2024 – Aug 2024

Scholars of Finance

Backend Engineer

Designed scalable architecture from the ground up

Apr 2022 – Nov 2023

Trakto

Backend Developer

Dramatic performance gains through full re-architecture

Jan 2022 – Apr 2022

Trybe

Student Instructor

Full-stack web development mentorship at scale

Jan 2021 – Dec 2021

Trybe

Web Development Student

1,500+ hours and 40+ full-stack projects across frontend, backend, and CS fundamentals