Full-Stack Engineer — SaaS, React, Core Team (Hybrid)

aleno; Wrocław; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible working hours

26 days paid time off + 5 sick days

Hardware: laptop & headset provided

Company retreats and travel support

Job summary

aleno is seeking a frontend engineer to join the Core team in a hybrid setup in Wrocław. You will help rebuild the Core product with a modern design system, while maintaining existing features and performance.

You will collaborate across product, design, and engineering to deliver user-centric SaaS frontend solutions. You’ll work with React/TypeScript, CSS, and Web APIs to implement a scalable UI, migrate to the new design system, and contribute to API design and system reliability.

Qualifications

• Experience building SaaS frontends in product-led environments.
• Strong knowledge of modern JavaScript/TypeScript, React, CSS, and Web APIs.
• Experience with component-based UIs and design systems.
• Ability to ship features end-to-end with product and design teams.
• Knowledge of accessibility best practices in web apps.

Responsibilities

• Collaborate with product and design to build new features from ideation to maintenance.
• Migrate frontend to a new in-house design system and improve performance.
• Establish engineering practices for the Core Team and ensure reliability.
• Build and expose internal/external APIs and maintain system health.

Skills

English proficiency

SaaS applications

JavaScript/TypeScript

CSS

Web APIs

React

API design

Design systems

Accessibility

Tools

GitHub Actions

Kubernetes

Meteor.js

GraphQL/Apollo Federation

AWS

Job description

aleno is seeking a frontend engineer to join the Core team in a hybrid setup in Wrocław. You will help rebuild the Core product with a modern design system, while maintaining existing features and performance.

You will collaborate across product, design, and engineering to deliver user-centric SaaS frontend solutions. You’ll work with React/TypeScript, CSS, and Web APIs to implement a scalable UI, migrate to the new design system, and contribute to API design and system reliability.