CareerPlan

Senior Backend Developer

Warsaw, PolandFull-time2026-05-15 → 2026-11-10

Core

Build scalable backend systems and data pipelines to transform security research prototypes into production-grade services for a modern software supply chain security platform.

Role type

Senior IC backend engineer (security research)

Builds

Scalable backend systems, data pipelines, and services powering open-source intelligence and security research

Domain

Cybersecurity / Software Supply Chain

Deliverable

production ML models

Required skills

Python, JavaScript, high-scale systems, data pipelines, system design, AI/LLMs, automation

Preferred skills

cybersecurity startup experience, malware analysis, reverse engineering

Technologies

Python, JavaScript, AI/LLMs

Responsibilities

Design and build scalable backend systems and data pipelines; Transform research prototypes into production-grade services; Work with large datasets and high-scale systems; Collaborate with security researchers and engineers; Ensure reliability, performance, and maintainability of services; Contribute to architecture decisions and system design; Leverage AI/LLMs and automation tools to improve engineering workflows