CrawlJobs Logo

Senior Front-end Engineer (React)

startupsoft.com Logo

StartupSoft

Location Icon

Location:
Ukraine

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

This project focuses on empowering modern cities to understand how people and systems move through urban spaces. It provides public organizations and local decision-makers with clearer insights, helping them plan smarter, distribute resources more effectively, and respond to community needs with confidence. By turning complex, real-world signals into accessible visual information, the platform supports safer streets, more efficient mobility, and long-term sustainability initiatives.

Job Responsibility:

  • Develop and maintain React.js web applications with a focus on performance and scalability
  • Build reusable components, hooks, and front-end libraries for future use
  • Translate UI/UX wireframes and design mockups into high-quality code
  • Optimize applications for speed, responsiveness, and SEO
  • Integrate front-end components with FastAPI or backend services
  • Manage application state using tools such as Redux, Zustand, Recoil, or Context API
  • Write clean, maintainable code following industry best practices
  • Debug issues, perform root-cause analysis, and implement timely fixes
  • Collaborate with cross-functional teams, including backend developers, designers, and QA
  • Participate in code reviews, agile ceremonies, and sprint planning
  • Ensure application security, accessibility, and browser compatibility
  • Maintain project documentation and contribute to technical decisions

Requirements:

  • Strong proficiency in JavaScript (ES6+) and React.js
  • Hands-on experience with HTML5, CSS3, and responsive design principles
  • Experience with state management libraries (Redux, MobX, Context, Recoil, etc.)
  • Familiarity with REST APIs
  • Understanding of front-end build tools (Webpack, Vite, Babel)
  • Proficiency with Git and modern development workflows
  • Knowledge of component-driven development and design patterns
  • Strong problem-solving skills and attention to detail
  • Good communication and collaboration abilities
  • Ability to work in a fast-paced, agile environment
  • Self-motivated with strong ownership of tasks and deliverables

Nice to have:

  • Experience with TypeScript
  • Familiarity with UI framework Chakra UI
  • Knowledge of testing libraries (Jest, React Testing Library, Cypress)
  • Understanding of CI/CD pipelines and deployment on platforms like AWS, GCP, or Vercel
  • Experience with performance optimization and web vitals
What we offer:
  • Global collaboration opportunities
  • Core team membership
  • Equity and ownership potential
  • Premier workspaces
  • Competitive compensation package
  • Cutting-edge technology environment
  • Impactful project contributions
  • Collaborative company culture

Additional Information:

Job Posted:
December 12, 2025

Employment Type:
Fulltime
Job Link Share:
Welcome to CrawlJobs.com
Your Global Job Discovery Platform
At CrawlJobs.com, we simplify finding your next career opportunity by bringing job listings directly to you from all corners of the web. Using cutting-edge AI and web-crawling technologies, we gather and curate job offers from various sources across the globe, ensuring you have access to the most up-to-date job listings in one place.