Remote Full-Stack AI & LLM Security Engineer

Ethicalhat Cyber Security Pvt. Ltd.; Polska; Hybrid; PLN 233,000 - 389,000; Full time

Job summary

Ethical Hat Security Pvt. Ltd. is hiring a full-stack Software Engineer to build and grow our web products, and to add AI features such as LLM-powered assistance and integrations.

The role is remote and focuses on secure development, REST APIs, and scalable architectures, with MCP server work and AI components to help customers leverage product data safely. You will collaborate across security, product, and engineering teams to deliver robust solutions.

Qualifications

• 3+ years building production web applications end-to-end.
• Backend: Java (OpenJDK) and Groovy with the Grails framework.
• Databases: MariaDB and Neo4j; experience with schema design and Cypher queries.
• Secure coding practices: SAST, TLS, MFA and RBAC.
• Clear written English for specs, API docs and user guides.

Responsibilities

• Design, build and maintain backend services and APIs.
• Build clean, responsive frontend screens.
• Design database schemas and write efficient queries.
• Implement dashboards, workflows, RBAC, file uploads and report exports.
• Write data migration scripts when systems change.
• Package and deploy releases for cloud and on-premises.

Skills

Java (OpenJDK)

Groovy

Grails framework

MariaDB

Neo4j

Apache Tomcat

Keycloak SSO

REST API design

Security best practices

AI / LLM integration

Cloud & on-prem deployments

Education

Degree in Computer Science or equivalent

Tools

pgvector

Qdrant

LangChain

Ollama/vLLM

MCP SDK

Git

Job description

Ethical Hat Security Pvt. Ltd. is hiring a full-stack Software Engineer to build and grow our web products, and to add AI features such as LLM-powered assistance and integrations.

The role is remote and focuses on secure development, REST APIs, and scalable architectures, with MCP server work and AI components to help customers leverage product data safely. You will collaborate across security, product, and engineering teams to deliver robust solutions.