Back End Developer

hace 5 días

Mar del Plata, Buenos Aires, Argentina Core Code io A tiempo completo $850.000 - $1.300.000 al año

We are looking for a
Backend Developer
to design, build, and maintain the server-side logic of our applications. You will be responsible for ensuring high performance, scalability, and security of the back-end services, while integrating with front-end and third-party systems. This role involves problem-solving, collaboration with cross-functional teams, and delivering reliable APIs and data pipelines.

Responsibilities

  • Design, develop, and maintain back-end services, APIs, and databases.
  • Build scalable systems that handle high volumes of requests and data.
  • Implement security and data protection best practices.
  • Optimize application performance and troubleshoot issues.
  • Work closely with front-end developers and other stakeholders to integrate user-facing elements.
  • Manage database schemas, queries, and migrations (SQL and/or NoSQL).
  • Write clean, maintainable, and testable code.
  • Contribute to code reviews, system architecture, and technical documentation.

Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.
  • Proven experience as a Backend Developer, Software Engineer, or similar role.
  • Proficiency in at least one back-end language and framework: , Python (Django/Flask/FastAPI), Java (Spring Boot), or Ruby on Rails.
  • Strong knowledge of databases (PostgreSQL, MySQL, MongoDB, Redis).
  • Experience building and consuming RESTful APIs and/or GraphQL.
  • Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
  • Strong understanding of system design, scalability, and security principles.
  • Experience with version control (Git/GitHub/GitLab) and CI/CD pipelines.
  • By applying to this position, we'll create your Simera Professional Key (SPK) — a unique key that helps you connect with employers, stand out, and secure the right match.

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