Senior Full-Stack Engineer: React + Node.js (Hybrid, Poland)

Esurance; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work setup

Employer of Record service

Job summary

Esurance in Poland is seeking a Senior Fullstack Engineer to build scalable cloud-native apps with React and TypeScript. You will design and implement microservices and micro-frontend architectures in a fast-paced, product-driven environment.

The role requires a 50/50 frontend/backend split, collaboration in a hybrid setup, and in-person Poland meetings. Fluent English is required; MSc in CS and 7–10 years of JS/TS experience are expected.

Qualifications

• MSc Computer Science or similar.
• 7–10 years of professional experience in JavaScript/TypeScript.
• Expertise in React + a modern SSR framework (React Router v7 / Remix / Next.js).
• Strong testing skills with Vitest, Playwright, and Storybook interactions.

Responsibilities

• Collaborate in refinement sessions with product and tech teams to ensure feature clarity and feasibility.
• Design, implement, and maintain scalable web APIs using Node.js and microservices architecture principles.
• Develop responsive, high-quality user interfaces with React and TypeScript.
• Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood.
• Align feature architecture with Tech Leads to ensure consistency and scalability.
• Ensure features meet the Definition of Done with robust test coverage (unit, integration, E2E).
• Support incident response and production issue resolution.
• Mentor teammates and contribute to knowledge sharing in technical best practices.

Skills

JavaScript/TypeScript

React

SSR framework

Node.js

Testing (Vitest/Playwright/Storybook)

Fluent English

Education

MSc Computer Science

Tools

AWS

Pulumi

Job description

Esurance in Poland is seeking a Senior Fullstack Engineer to build scalable cloud-native apps with React and TypeScript. You will design and implement microservices and micro-frontend architectures in a fast-paced, product-driven environment.

The role requires a 50/50 frontend/backend split, collaboration in a hybrid setup, and in-person Poland meetings. Fluent English is required; MSc in CS and 7–10 years of JS/TS experience are expected.