Senior Full Stack Engineer with focus on Front-end (Accessibility Product House)

Sigma Software

Posted on : 19-09-2025

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1 Vacancy

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Job Location

Poland

Monthly Salary

Not Disclosed

Salary Not Disclosed

Vacancy

1 Vacancy

Posted on : 19-09-2025

Job Description

Develop test and maintain frontend components with a focus on accessibility.
Contribute to the improvement of backend services that power the product youre building.
Enhance backend services to better facilitate product development.
Build high-quality scalable and modular UI systems for web-based SaaS products.
Optimize frontend performance and system efficiency.
Participate in design and code reviews to ensure best practices.
Collaborate with other engineering teams to integrate across the product stack.
Apply testing methodologies using modern automation frameworks for frontend quality assurance.

Qualifications :

Frontend (80% focus):

5 years of experience with JS/TS using React
Experience with Redux
Experience with E2E Frontend development of complex enterprise-grade / SaaS applications
Strong HTML/CSS capabilities
Experience with Styling & UI Libraries: Styled Components StoryBook
Experience with testing frameworks and methodologies (UT/E2E)
Practical experience using Testing Tools - Playwright or Cypress
Experience working with State/Data Management - React Query
Ability to write and reason about clean and modular code
Values good UX and pixel-perfect
Strong communication skills
At least Upper-Intermediate level of English

Backend (20% focus):

Proven commercial experience in back-end development (any programming language is acceptable).
Familiarity with back-end system-design principles including API definition and integration.
Ability to design and implement relational database structures.

WOULD BE A PLUS

Experience with accessibility
Experience building a component library and contributing to open source
Experience with Figma

Remote Work :

Yes

Employment Type :

Full-time

Employment Type

Remote

Company Industry

Key Skills

Bootstrap
CSS
Front-End Development
HTML5
React
Redux
Node.js
Angular
Less
JavaScript
backbone.js
Sass

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About Company

Sigma Software

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