Jobs JavaScript / Front-End

ZentixSoft is looking for a Senior Frontend Engineer (React / TypeScript) 🎨🚀
 

At ZentixSoft, we live by the “People over processes” principle—and we actually mean it. We are expanding our engineering team for our startup client.
 

Note: This is a Staff Augmentation / Outstaffing role. You will be directly embedded into the client's core team.
 

💡 Why ZentixSoft? 
💸 Salary Review: A structured system of compensation reviews aligned with your expertise and engineering growth. 
⚖️ Work-Life Balance: A focus on sustainable engineering practices with no senseless overtime, helping you keep your resource fully charged. 
🦾 Trust and Transparency: Zero micromanagement and no invasive time-trackers—we fully trust your professional autonomy. 
🎁 Gifts & Culture: Corporate gifts for holidays, birthdays, and a true team atmosphere where your voice always matters.
 

If you are ready to build responsive, component-driven UI for AI products, here is what our perfect match looks like:

1️⃣ Engineering Seniority: 5+ years of commercial frontend experience with deep React and TypeScript expertise. 
2️⃣ UI & Design Systems: Strong CSS/responsive layout skills, reusable design-system work, and hands-on experience with TailwindCSS. Ability to translate Figma designs into accessible, production-grade code. 
3️⃣ Async & State Management: Solid experience consuming REST/GraphQL APIs, handling long-running async flows (streaming, polling, loading/error states), and using server-state tools like React Query. 
4️⃣ Engineering Standards: Strong knowledge of Git, code reviews, automated testing (Jest, React Testing Library; Playwright is a plus), and CI/CD pipelines. 
5️⃣ Communication & Autonomy: Fluent English (B2+) 

 6️⃣ Nice to Have: Next.js (SSR/SSG/ISR), experience with UI for AI/ML or image-heavy products, Monorepos, and Storybook.
 

Project Details: 📍 Location: ONLY candidates based in Central Europe or Lisbon (Hybrid in Lisbon is a huge plus!). 
⏳ Format: Full-time, long-term Outstaffing engagement. 
🚀 Start: ASAP.

About Us At Huuray, we make gifting smarter — helping companies and individuals send digital gift cards and rewards across the world. We're growing fast and looking for an experienced Frontend Developer to join our team and help us craft beautiful, scalable, and high-performance user interfaces across our platforms. We have talented team members based in Kyiv, and we're excited to add another skilled developer to collaborate closely with them.
 

What You'll Do

• Develop and maintain responsive, high-quality web applications for our gift and reward platforms.
• Work closely with our design team and backend developers to build seamless, user-focused solutions.
• Collaborate with product managers to create exceptional user experiences.
• Implement reusable, testable components with modern frontend frameworks and libraries.
• Perform cross-browser and cross-device testing to ensure consistency and reliability.
• Help perform QA testing of final product releases to maintain quality and stability.
• Optimize performance and ensure accessibility compliance.
• Participate in code reviews and help define best practices and UI standards.
• Use Claude Design (claude.ai/design) to rapidly prototype UI concepts, wireframes, and feature flows — turning ideas into shareable visuals before they reach development.
• Take ownership of integrating Claude Design into Huuray's frontend workflow, including connecting it with our design system and handoff pipeline to Claude Code.
   

Your Tech Toolbox

• Next.js/Vue
• JavaScript (ES6+)
• HTML5 & CSS3
• jQuery / jQuery UI
• Version control (Git)
• Frontend frameworks/libraries
• Cross-browser and cross-device testing tools
• Claude Design (claude.ai/design)
• Claude API / Anthropic SDK
   

What We're Looking For

• 3+ years of experience as a Frontend Developer.
• Fluent written and spoken English.
• Solid understanding of JavaScript and modern frameworks (React, Next.js, Vue).
• Strong experience with responsive design and modern web standards (HTML5, CSS3, JS).
• Hands-on experience with Claude Design — you've used it to create prototypes, mockups, or UI flows and understand how it fits into a modern frontend workflow.
• Knowledge of performance optimization and accessibility best practices.
• Comfortable working with APIs and integrating data from backend systems.
• Proficient in Git-based workflows (branches, pull requests, code reviews).
• Passion for clean, maintainable code and user-friendly design.
• 
   

Nice to Have

• Knowledge of Bootstrap and familiarity with .NET environments.
• Experience with TypeScript, GraphQL, or headless CMSs.
   

Why Join Us

• Work remotely with flexibility, preferably based around Kyiv.
• Join a company that already has team members in Kyiv, making collaboration seamless.
• Be part of a dynamic, fast-growing international company.
• Help build a product that brings joy to people around the world.
• Play a hands-on role in how we adopt AI tooling — Claude Design is going into our stack, and you'll help shape how we use it.
• Competitive compensation and a collaborative, idea-driven environment.