Senior Software Engineer - AI/LLM Security & Backend

Jit Team; Województwo pomorskie; Hybrid; PLN 185,000 - 240,000; Full time

Job summary

Jit Team is seeking a Senior Software Developer (Python/Java) to join the Security & AI/LLM project. You will work hybrid from Gdynia / Gdańsk / Warszawa (3 days in the office).

The role focuses on automating security testing, AI-assisted workflows, and scalable backend services using Python and Java/Spring Boot. You will contribute to the Automated Security Retest Engine's processing pipelines and REST APIs, collaborating with security experts and product stakeholders in an international

Qualifications

• Min. 5 years of professional experience in Python and/or Java development.
• Experience building and maintaining backend applications and REST APIs.
• Spring Boot experience for Java development; Python experience for modular apps.

Responsibilities

• Design, develop, and maintain features within the Automated Security Retest Engine.
• Develop Python-based processing pipelines and the Java Spring Boot web app.
• Build and maintain backend services and REST APIs; integrate AI/LLM services.
• Write automated unit and integration tests; ensure security and quality.

Skills

Python/Java development

Backend development

REST APIs

Spring Boot

Automated testing

English proficiency

Tools

Docker

Maven

CI/CD pipelines

OWASP ZAP

Nuclei

Semgrep

pytest

Job description

Jit Team is seeking a Senior Software Developer (Python/Java) to join the Security & AI/LLM project. You will work hybrid from Gdynia / Gdańsk / Warszawa (3 days in the office).

The role focuses on automating security testing, AI-assisted workflows, and scalable backend services using Python and Java/Spring Boot. You will contribute to the Automated Security Retest Engine's processing pipelines and REST APIs, collaborating with security experts and product stakeholders in an international