Senior Fullstack Engineer (Node.js, React, AI)

Experis ManpowerGroup Sp. z o.o.; Remote; PLN 240,000 - 320,000; Part time

Job summary

A leading IT services company is looking for a highly experienced full stack developer in Poland. This remote role requires 8+ years in software engineering with strong backend skills in Node.js and NestJS, alongside proficiency in frontend technologies like React. Join a dynamic team focused on an AI-native enterprise SaaS product offering competitive B2B rates.

Benefits

Life insurance

Private healthcare

Multisport card

E-learning platform

Qualifications

• 8+ years of professional software engineering experience with a focus on modern full stack development.
• Strong backend development skills using Node.js and NestJS.
• Proficiency in frontend technologies including React, TailwindCSS, and Zustand.

Responsibilities

• Build and evolve a backend-heavy full stack architecture for an AI-native enterprise SaaS product.
• Design and deploy scalable services on Google Cloud Platform (GCP), including Cloud Run, BigQuery, and GCS.
• Develop responsive and modular interfaces using React, TailwindCSS, and Zustand.

Skills

Node.js

NestJS

React

TailwindCSS

Zustand

GCP

Micro-frontend architecture

CI/CD

OAuth2

SSO

Job description

100% remote

B2B: 180-210 PLN/h netto + VAT

Responsibilities

• Build and evolve a backend-heavy full stack architecture for an AI-native enterprise SaaS product.
• Design and deploy scalable services on Google Cloud Platform (GCP), including Cloud Run, BigQuery, and GCS.
• Develop responsive and modular interfaces using React, TailwindCSS, and Zustand.
• Implement micro-frontends, Module Federation, robust APIs, and secure authentication flows (OAuth2, SSO).
• Work with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and autonomous AI agents to power intelligent workflows.
• Ensure fault tolerance, observability, and performance through CI/CD pipelines and infrastructure automation.
• Partner with product, design, and infrastructure teams to shape roadmap and delivery.
• Foster a strong engineering culture and mentor junior developers.

Requirements

• 8+ years of professional software engineering experience with a focus on modern full stack development
• Strong backend development skills using Node.js and NestJS
• Proficiency in frontend technologies including React, TailwindCSS, and Zustand
• Solid understanding of micro-frontend architecture, module federation, API design, and middleware
• Hands-on experience with Google Cloud Platform (GCP), especially Cloud Run, BigQuery, and GCS
• Familiarity with CI/CD pipeline setup and maintenance
• Knowledge of security protocols including OAuth2, SSO, and authentication flows
• Experience working with Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG)
• Understanding of autonomous AI agents and agent-to-agent communication

What we offer

• 100% remote
• Life insurance
• Private healthcare
• Multisport card
• PowerYou – e-learning platform