Senior Backend Developer – Java or Python

ITConnect; Polska; Hybrid; PLN 140,000 - 200,000; Full time

Job summary

ITConnect seeks a Senior Backend Developer (Java or Python) to contribute to the Automated Security Retest Engine, a platform that analyzes security assessment reports and verifies remediation actions. You will develop a Python-based processing pipeline and a Java Spring Boot web interface, with security as a core requirement.

Responsibilities include feature design, API integration, test automation, and maintaining documentation while collaborating with security and product stakeholders to

Qualifications

• Backend development in Python and/or Java.
• Experience building and maintaining backend apps and REST APIs.
• Familiarity with Spring Boot for Java projects.
• Proficiency in writing and maintaining automated tests.
• Understanding secure software development and handling of secrets.
• Ability to analyze codebases and document changes clearly.
• Good written and spoken English for technical communication.

Responsibilities

• Designing and implementing features.
• Integrating external tools and APIs.
• Improving reliability and quality of generated tests and analysis.
• Writing automated tests.
• Maintaining technical documentation.
• Collaborating with security and product stakeholders to translate requirements into maintainable software.

Skills

Python

Java

Backend development

REST APIs

Git workflows

Code reviews

English communication

Tools

Spring Boot

Git

Job description

Senior Backend Developer – Java or Python

The developer will contribute to the ongoing development of the Automated Security Retest Engine, a security retesting platform that automates the analysis of security assessment reports and the verification of remediation actions.

The work includes developing and maintaining a Python-based processing pipeline and the Java Spring Boot web application, which provides a user interface.

Security is a core requirement: changes must preserve configured target-scope restrictions, protect credentials and user data, validate inputs, and provide reliable evidence for retest outcomes.

• Designing and implementing features
• Integrating external tools and APIs
• Improving the reliability and quality of generated tests and analysis
• Writing automated tests
• Maintaining technical documentation
• Working with security and product stakeholders to translate requirements into practical, maintainable software
• Professional software development experience in Python and/or Java.
• Experience developing and maintaining backend applications and REST APIs.
• For Java development: familiarity with Spring Boot and common application-development practices.
• For Python development: familiarity with modular application design, dependency management, and automated testing.
• Experience writing and maintaining automated tests.
• Working knowledge of Git and collaborative software-development workflows, including code reviews.
• Understanding of secure software development, including input validation, authentication and authorization, and 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.