Senior Backend Dev (Java or Python) - Hybrid, Security

Optiveum; Warszawa; Híbrido; PLN 148.000 - 210.000; Jornada completa

Descripción de la vacante

Optiveum is seeking a Senior Backend Developer (Java or Python) to advance the Automated Security Retest Engine, a cutting-edge platform for automating analysis of security assessment reports and remediation validation.

The role includes developing a Python-based processing pipeline and a Java Spring Boot web UI, with a hybrid work model in which the team works from the office three days per week in Warsaw, with possible locations in Gdańsk or Gdynia.

Formación

• Proven professional software development experience in Python and/or Java.
• Experience in developing and maintaining backend applications and REST APIs.
• For Java: familiarity with Spring Boot and common application-development practices.
• For Python: familiarity with modular application design, dependency management, and automated testing.
• Proven experience writing and maintaining automated tests.
• Working knowledge of Git and collaborative software-development workflows (including code reviews).
• Understanding of secure software development (input validation, authentication, authorization, safe handling of secrets).
• Ability to analyze an existing codebase, troubleshoot issues, and deliver changes with appropriate documentation.
• Good written and spoken English for technical communication.

Responsabilidades

• Designing and implementing new features for the platform.
• Integrating external tools and APIs.
• Improving the reliability and quality of generated tests and analysis.
• Writing automated tests, investigating defects, and maintaining technical documentation.
• Collaborating with security and product stakeholders to translate requirements into practical, maintainable software.
• Ensuring security as a core requirement: preserving target-scope restrictions, protecting credentials and user data, validating inputs, and providing reliable evidence for retest outcomes.

Conocimientos

Python

Java

REST APIs

Automated testing

Git

Secure coding

English communication

Herramientas

Spring Boot

pytest

Maven

CI/CD

Docker

Descripción del empleo

Optiveum is seeking a Senior Backend Developer (Java or Python) to advance the Automated Security Retest Engine, a cutting-edge platform for automating analysis of security assessment reports and remediation validation.

The role includes developing a Python-based processing pipeline and a Java Spring Boot web UI, with a hybrid work model in which the team works from the office three days per week in Warsaw, with possible locations in Gdańsk or Gdynia.