Fullstack Software Engineer (React)

TL;DR

Fullstack Software Engineer (React/AI): Developing the Kendo UI Themes framework and AI-enabled tooling for enterprise UI components with an accent on design tokens, SCSS-to-CSS migration, and LLM-friendly configurations. Focus on implementing perceptually uniform color generation, architecting agentic workflows for theme customization, and ensuring strict accessibility compliance.

Location: Hybrid Sofia, Bulgaria

Company

hirify.global is a provider of software that enables customers to develop, deploy, and manage responsible, AI-powered applications and experiences.

What you will do

• Own and evolve the Kendo UI Themes framework across JS (React, Angular, Vue) and .NET (Blazor, MVC, Core) ecosystems.
• Architect and implement SCSS-to-CSS custom property migration paths to enable runtime theme switching.
• Develop AI-enabled tooling and agentic workflows, including MCP servers and prompt-to-theme pipelines.
• Implement perceptually uniform color generation using OKLCH with built-in WCAG/APCA contrast validation.
• Create CLI and programmatic APIs that produce multi-format output from a single source of truth.
• Collaborate with designers and developer advocates to ensure theming APIs are intuitive and aligned with modern CSS.

Requirements

• 5+ years of professional experience as a full-stack or front-end engineer with deep expertise in React and TypeScript.
• Strong command of SCSS/Sass architecture for large-scale multi-brand theme codebases.
• Hands-on experience building design systems, component libraries, or theming frameworks at scale.
• Solid understanding of CSS custom properties, cascade layers, modern color spaces (OKLCH), and design tokens.
• Experience with monorepo tooling (Nx, npm workspaces) and build pipelines (Vite, Rollup, tsup).
• Must be based in Sofia, Bulgaria (Hybrid).

Nice to have

• Familiarity with AI-enabled developer tools, MCP servers, and LLM integration patterns.
• Deep understanding of accessibility standards (WCAG 2.1 AA/AAA, APCA).
• Experience with Node.js backend tooling, CLI frameworks, and JSON schema validation.

Culture & Benefits

• Generous remuneration package and Employee Stock Purchase Plan enrollment.
• 30 days paid annual vacation, plus extra days off for your birthday and volunteering.
• Premium healthcare, dental care, and additional pension insurance.
• On-site gym with Cross-Fit equipment, climbing wall, and a daycare center.
• Flexible working hours and free underground parking for cars, bikes, and scooters.