Senior Front-end React Engineer: Remote & SaaS

Sigma IT Poland; Wrocław; Remote; PLN 262,000 - 279,000; Full time

Benefits offered by this job

Fully remote work or Wrocław office

Luxmed

Multisport

Life insurance

Referral system

Personal Training Budget

Passion Day

Flexible working hours

Quality work equipment

Job summary

Holisticon Connect, a division within NEXER GROUP, is seeking a Senior Front-end Engineer with React to work on a mature SaaS platform for process orchestration and workflow automation. You'll contribute to scalable web apps used by international clients and collaborate across teams.

We offer fully remote work or Wroclaw office, competitive compensation (UoP 23,500–25,000 PLN gross/month or B2B 170–180 PLN net/hour + VAT), flexible hours, and a supportive environment emphasising work-life

Qualifications

• Strong experience with React and modern frontend stacks.
• Experience building complex web applications and SaaS products using HTML5, CSS3 and JavaScript.
• Experience with AI-assisted development tools (Claude Code).
• Understanding of BPMN-based applications or willingness to learn workflow-oriented business domains.
• Familiarity with Node.js and/or Vue.js is nice to have.
• Familiarity with UI/UX principles.
• Experience with cloud providers (GCP, AWS).
• Fluent Polish and English, both written and spoken.
• Located in Poland for at least 5 years.

Skills

React

HTML5

CSS3

JavaScript

AI-assisted development tools

BPMN/workflows

UI/UX principles

Polish language

English language

Cloud concepts

SaaS product experience

Tools

Node.js

Vue.js

Claude Code

GCP

AWS

Job description

Holisticon Connect, a division within NEXER GROUP, is seeking a Senior Front-end Engineer with React to work on a mature SaaS platform for process orchestration and workflow automation. You'll contribute to scalable web apps used by international clients and collaborate across teams.

We offer fully remote work or Wroclaw office, competitive compensation (UoP 23,500–25,000 PLN gross/month or B2B 170–180 PLN net/hour + VAT), flexible hours, and a supportive environment emphasising work-life