mariuslefter.com

Marius Lefter

Building a better future

Hey👋 Marius here! I am a software engineer based in Spain. I build full stack web apps, mobile applications, backend servers, ML solutions and much more.

github - https://github.com/mariussdetwitter - https://x.com/Marius990635491mail - mailto:[email protected]huggingFace - https://huggingface.co/mariussdelinkedin - https://www.linkedin.com/in/marius-lefter-lefter-17948b2a2/?locale=en_US

Frontend: React | Angular | Next.js | CSS | HTML | TypeScript | JavaScript | Jest | Cypress

Backend: Java | Node.js | FastAPI | Flask | C++ | C# | Express | Spring Boot | PostgreSQL | MySQL | MongoDB | ORM | GraphQL

Machine Learning: PyTorch | Python | Keras | Hugging Face | Scikit-learn | Neural Networks | NLP

Other: AWS | EC2 | S3 | RDS | Lambda | Kubernetes | Full-Stack | Git | RESTful | CI/CD

Languages: Spanish, English, Russian, Catalan, Moldovan
Currently learning: French, German

Projects
Experience
Sopra SteriaFull timeHybrid

February 2024 - Present

Software Engineer

  • Automated and optimized business logic for the core existing functionality.
  • Was given the responsibility of analyzing and migrating a whole platform from an outdated technology
Polytechnic University of ValenciaPart timeOn site

Oct. 2023 - January 2024

Software Developer

  • Participated in the development of a social media app
  • Built signficant part of the backend and lent a hand in frontend
Polytechnic University of ValenciaFull timeOn site

Sept. 2019 - December 2023

Student

  • Built several smaller projects throughout the years
  • Got my Bachelor's degree