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tomasklaus17

Tomas Klaus

@tomasklaus17

Backend Developer specializing in Java, Python, and Docker

Argentinien
Spanisch, Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Hi! I am Tomas, a backend developer specializing in scalable, secure server-side applications. I build robust REST APIs, cloud integrations, and Docker environments for startups and businesses. Tech stack: - Java (Spring Boot), Python (Flask), TypeScript - PostgreSQL, MySQL, Amazon DynamoDB (AWS) - Docker, Docker Compose, JWT authentication, Postman I focus on clean architecture, reliable performance, and clear communication. Contact me to discuss your project! ... Mehr lesen

Kompetenzen

t
tomasklaus17
Tomas Klaus
offline • 

Meine Dienstleistungen

API & Integrationen
I will integrate meta whatsapp cloud API or custom webhooks in your backend
Ab20 $ / ProjektWeitere Details
Infra als Code
I will dockerize your app and set up docker compose
Ab20 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Upwork

Backend Developer

Upwork • Freiberufler

Jan 2026 - Present • 8 mos

Developed automated SaaS integration platforms using TypeScript and Meta Cloud Services for business workflows. Engineered high-performance RESTful APIs, handled third-party webhook data flow, and containerized multi-tier applications using Docker and Docker Compose for reliable local and cloud environments.

Self_Employed

Junior Backend Developer

Self Employed • Freiberufler

Oct 2022 - Nov 2023 • 1 yr 1 mo

Built and maintained modular backend systems using Java and Spring Boot. Implemented secure REST APIs with stateless JWT authentication, global exception handlers, and relational database persistence using PostgreSQL, MySQL, and JPA/Hibernate. Conducted API and unit testing with Postman and JUnit.