Senior Frontend Developer

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  • Zeely
  • Remote,
  • 6 months ago
Published
October 20, 2025
Location
Remote, United Kingdom
Job Type

Job Description

We are looking for a Senior Front-End Developer (React.js) with 5+ years of experience to join our team and help us shape a truly game-changing product.

Zeely AI is a platform that leverages artificial intelligence to generate viral UGC videos and ad creatives, and to launch highly effective ad campaigns on Facebook and Instagram — helping small businesses get noticed and grow.

With over 150,000 users in the U.S., Zeely ranks among the Top-5 players in its vertical by active users on the American market. We’ve been growing 4× year-over-year in the U.S., and our team has already scaled to 50+ specialists.

We are part of the Google for Startups Alumni community and official partners of Meta and TikTok. In 2024, Zeely was recognized among the Top-25 fastest-growing startups in Ukraine by Forbes.

What you’ll be working on:

  • Designing, developing, and maintaining web applications using our stack and other modern web technologies

  • Writing and executing tests to ensure efficiency and stability

  • Troubleshooting, debugging, and upgrading software

  • Participating in code reviews and making key technical decisions

  • Contributing throughout the full software development lifecycle

  • Working in a continuous delivery environment

  • Collaborating with designers and user researchers to ensure intuitive and user-friendly products

What we’re looking for:

  • 5+ years of commercial experience with React.js

  • 3+ years of experience with TypeScript

  • Hands-on experience with Redux Toolkit (or RTK Query), Tailwind CSS, Shadcn UI, React Hook Form, Vite

  • Solid understanding of Agile principles and practices

  • English proficiency at Intermediate level or higher

Would be a plus:

  • Experience integrating with Stripe, Solidgate, Mixpanel

  • Experience working with Echarts, Highcharts

  • Knowledge of Next.js

  • Experience with SSE (Server-Side Events)

  • Skills in building adaptive and responsive layouts

  • Pixel Perfect design orientation

  • Experience with TanStack Table

Why join us:

  • Work with cutting-edge technologies and contribute to building AI-powered tools

  • Join a strong A-level team that motivates you to grow and achieve more

  • Remote-first approach: work from anywhere, with the option to visit our offices in Warsaw and Kyiv

  • Paid day offs and sick leaves — we care about your work-life balance

  • Regular performance reviews to ensure your growth is transparent and rewarded

  • Financial support — consultations for private entrepreneurs from our dedicated finance team

Recruitment process:

Recruiter interview → Hiring Manager interview → Test assignment → Reference check → Job offer

You’ll work directly with stakeholders and have the chance to join a fast-growing yet stable startup at an early stage — building both the product and your career with us.

If this sounds like you — let’s talk!

Key Skills
? Key Skills in dark blue have been inferred based on similar industry roles
React.js TypeScript Redux Toolkit Tailwind CSS Vite

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