Senior Full Stack Engineer with focus on Front-end (Accessibility Product House)
Emilii Plater 53, Warszawa
Sigma Software
We’re looking for an experienced Fullstack Engineer who’s especially strong on the frontend side. This role focuses on frontend excellence while actively contributing to the essential backend systems that power the tool. It offers the perfect balance between frontend craftsmanship and backend engineering.
Customer
Our client is a rapidly growing technology leader in digital accessibility software that helps enterprises make their web and mobile offerings accessible to everyone.
Requirements
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
Responsibilities
Develop, test, and maintain frontend components with a focus on accessibility.
Contribute to the improvement of backend services that power the product you’re 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.
Sigma Software is a global software development company that enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery. We have been working since 2002, from all over the world.
Senior Full Stack Engineer with focus on Front-end (Accessibility Product House)
Senior Full Stack Engineer with focus on Front-end (Accessibility Product House)
Emilii Plater 53, Warszawa
Sigma Software