CareerPlan

Senior Backend Engineer – AppSec Solution Group

Warsaw, PolandFull-time2026-11-03 → 2026-11-10

Core

Designing and building the core platform architecture and infrastructure that runs the entire product, including scaling AI agents.

Role type

Senior Backend Engineer (Platform/Infrastructure)

Builds

Core platform foundations and infrastructure for running AI agents at scale

Domain

SaaS, Platform Engineering, AI Infrastructure

Deliverable

production ML models

Required skills

Node.js, TypeScript, System Design, Database Modeling, Kubernetes, DevOps, Cross-team Leadership, Technical Documentation

Preferred skills

LLMs, AI Agents, Cloud Cost Optimization, Cybersecurity, SaaS

Technologies

Node.js, TypeScript, Kubernetes

Responsibilities

Shape architecture and infrastructure for the core product, build foundations for running AI agents at scale, lead cross-team technical projects, perform technical reviews and write design docs.

Seniority

Senior, hands-on IC