Senior JavaScript Engineer (React, AI)

TL;DR

Senior JavaScript Engineer (React, AI): Engineering modern, high-quality interfaces for an existing client's solution with an accent on MicroFrontend architecture, code quality, and technical leadership. Focus on solving complex UI implementation challenges, driving best practices, and mentoring junior colleagues within a cross-functional team.

Location: Must be based in Ukraine

Company

hirify.global is a custom product engineering company that supports multinational organizations and scaling startups to solve complex business challenges.

What you will do

• Deliver and maintain modern interfaces according to unit standards.
• Follow and improve code quality standards.
• Perform technical assessment of UI mockups/wireframes to ensure feasible implementation.
• Create and review software feature design documents, providing solutions.
• Mentor junior colleagues and provide technical leadership by stack.
• Communicate directly with clients and set up efficient development workflows.

Requirements

• Strong experience in applying and suggesting best practices and design patterns.
• Strong experience with MicroFrontend architecture.
• Strong experience in using AI coding assistants like Amazon-Q or similar.
• Strong expertise in JavaScript and React.
• Deep knowledge of HTML5, CSS3/SCSS, UI and UX design principles.
• Good experience in understanding, refactoring, writing, and using CI/CD pipelines.
• Good experience in cloud platform services, identifying performance issues, monitoring, and alerting.
• Implementation of unit, integration, component, and contract tests.
• Strong problem-solving skills coupled with good communication skills.
• Demonstrate a true software craftsmanship mindset.

Nice to have

• Experience with API Gateway.
• Experience in building auto-scaling and self-healing components.
• Experience in the implementation of the Testing Pyramid.
• Experience in Automation Systems.
• Integration with Microservices through BFF or Facade.
• Cloud services (AWS/Azure/GCP).
• General Security knowledge (TLS/MTLS, Vault, Secret Rotation).

Culture & Benefits

• Work alongside top professionals in a friendly, open-door environment with a strong community.
• Take on large-scale projects with a global impact and expand your expertise.
• Tailored learning with internal events, Udemy access, language courses, and company-paid certifications.
• Explore diverse domains through internal mobility, gaining hands-on experience with cutting-edge technologies.
• Enjoy radical flexibility to work remotely or from an office, your choice.
• Company-paid medical insurance, mental health support, and financial & legal consultations.