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tomasklaus17

Tomas Klaus

@tomasklaus17

Backend Developer specializing in Java, Python, and Docker

Argentina
Español, Inglés
Parte de la información aparece en idioma inglés.
Sobre mí
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! ... Lee más

Habilidades

t
tomasklaus17
Tomas Klaus
desconectado • 

Revisa mis servicios

API e integraciones
I will integrate meta whatsapp cloud API or custom webhooks in your backend
DeUSD 20 / proyectoMás información
Infra como código
I will dockerize your app and set up docker compose
DeUSD 20 / proyectoMás información

Porfolio

Experiencia laboral

Upwork

Backend Developer

Upwork • Freelance

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 • Freelance

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.