Lead Full-Stack Engineer — Hybrid, Global Impact

Expereo International; Katowice; Hybrid; PLN 260,000 - 420,000; Full time

Job summary

Expereo, the Intelligent Internet Platform, is seeking a Lead Engineer for its Digital Office in Katowice. You will design, build, and mentor across full-stack applications that power the Expereo customer journey.

You will shape engineering practices and scale a programmable, automated digital platform in a cross-functional squad. You’ll work on modern front-end and back-end systems, drive CI/CD, and improve performance, security, and observability while collaborating with product, design, and

Qualifications

• Proficiency in JavaScript/TypeScript and back-end languages (.NET, Node.js or Python).
• Expertise with React, Vue, or Angular front-ends.
• Experience with REST, GraphQL, microservices and event-driven APIs.
• Familiarity with build tools (Vite, Webpack) and CI/CD (GitHub Actions, GitLab, Azure DevOps).
• CSS frameworks (Tailwind, Bulma, MUI, Chakra) and testing (Jest, Cypress, Playwright).
• Security, accessibility, observability, and performance tuning.
• Cloud providers (AWS, Azure, GCP) and Salesforce experience.
• Mentoring engineers and leading technical decisions.

Responsibilities

• Lead the design and maintenance of scalable front-end applications (React, Vue, Angular) and back-end services (Node.js, Python).
• Develop reusable UI components, design systems, shared libraries, and internal service frameworks.
• Build and integrate APIs (REST, GraphQL, microservices).
• Lead automated testing across unit, integration, contract, and end-to-end layers.
• Implement observability in front-end and back-end systems with logging, metrics, tracing, and alerts.
• Champion reliability engineering practices and performance optimization.

Skills

JavaScript/TypeScript

.NET

Node.js

Python

React/Vue/Angular

REST/GraphQL

Microservices

CI/CD

Accessibility

Security

Cloud (AWS/Azure/GCP)

Salesforce

Mentoring

Testing (Jest/Cypress/Playwright)

Observability

Design Systems

Tools

Vite

Webpack

Babel

GitHub Actions

GitLab

Azure DevOps

Storybook

Terraform

Job description

Expereo, the Intelligent Internet Platform, is seeking a Lead Engineer for its Digital Office in Katowice. You will design, build, and mentor across full-stack applications that power the Expereo customer journey.

You will shape engineering practices and scale a programmable, automated digital platform in a cross-functional squad. You’ll work on modern front-end and back-end systems, drive CI/CD, and improve performance, security, and observability while collaborating with product, design, and