Jobs JavaScript / Front-End
98Middle/Senior Frontend Designer / Design Engineer (Freelance)
Not Your Average Start-Up
Responds Quickly
$$$
Part-time
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Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - B2
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E-commerce / Marketplace
We’re looking for a Middle/Senior Frontend Designer / Design Engineer who can take a website from idea to live launch.
Not just design mockups — but actually build, polish, and deploy high-performance websites for our AI/fintech brands.
This is a freelance role for someone with strong taste, sharp product thinking, and solid front-end execution skills.
What you’ll do
design premium website interfaces in Figma
turn them into responsive, production-ready websites
build with React, TypeScript, and Tailwind...
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136 views
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35 applications
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1d
Senior Frontend Engineer (React and TypeScript)
DevBrother
Responds Quickly
$$$
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
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English - B2
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SaaS
We are seeking a highly skilled Senior Frontend Engineer to join a high-impact team working on a large-scale, enterprise-level application. This is an urgent requirement for a professional who can hit the ground running and contribute to a complex React-based ecosystem.
The Project
You will be working on a large-scale React application that demands high performance, scalability, and maintainable code. The project is currently in a critical phase of growth, requiring a developer who understands the...
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226 views
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115 applications
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1d
Front-End Engineer (Angular)
KaaIoT
to $1200
Full Remote
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Countries of Europe or Ukraine
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1 year of experience
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English - B2
Requirements:
1+ years of experience in development
Strong knowledge of Javascript and TypeScript
Strong knowledge of Angular
Strong analytical and problem-solving skills
Experience working with RxJS ,NgRx ,signals, and new angular syntax template
Confident AI prompting, understanding of LLM principles (Context window, RAG, System prompts)
Experience working with AI coding assistants (Cursor, Claude Code, GitHub Copilot)
Good understanding of asynchronous and reactive programming
Confident working with the...
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66 views
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6 applications
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1d
Middle JavaScript Engineer (AI Integrations)
Upstaff
to $4000
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - C1
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SaaS
About the role You will build real-world AI applications for enterprise clients—from the initial concept straight through to production. As a Middle JavaScript Engineer at Upstaff, you’ll design, implement, and deploy high-quality solutions that solve genuine problems for real users. You’ll skip the heavy bureaucracy, work directly with clients and the product team, ship code to production within days, and collaborate with a team that values accountability and a thoughtful...
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535 views
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39 applications
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1d
Frontend Developer (React, Redux, MUI v5 / Material Design 3)
Johnson Controls
Verified Employer
to $4500
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - B1
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Security
Required Experience/Qualifications
• 3+ years of experience with JavaScript frontend development
• Strong knowledge of React and Redux • Hands-on experience with Material UI (MUI v5) and Material Design 3
• Experience with RESTful APIs and WebSocket-based interactions
• Familiarity with external charting libraries (e.g., Chart.js, Recharts, etc.) • Good understanding of UI/UX principles and component-based architecture
• Willingness to work with legacy code during a migration period
Nice to have:
•...
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521 views
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319 applications
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1d
Lead Frontend Engineer - Liven
SKELAR
Responds Quickly
$$$$
Hybrid Remote
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Ukraine
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5 years of experience
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English - B1
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Healthcare / MedTech
Hi! We are Liven. We develop a global ecosystem of products that help people gain self-observability and steer away from negative thoughts, patterns, and behaviors on their personal journey.
Inside our ecosystem:
Self-discovery companion — an app that helps 2.5M users build a deeper relationship with themselves. It’s a space for self-exploration through AI coaching, mood trackers, sound practices, and bite-sized learning.
Online Coaching — sessions with certified experts to navigate complex life...
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103 views
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15 applications
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2d
JavaScript (AdTech)
Stafnear
$$$$
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - B2
We are looking for a JavaScript Engineer with a strong background in AdTech, specifically with an understanding of DSP/SSP ecosystems.
You will join an in-house product team working on building a custom Demand-Side Platform (DSP) with bidding agents. This role requires both hands-on engineering skills and a solid understanding of AdTech architecture, protocols, and real-time bidding systems.
What You’ll Do
Contribute to the architecture and development of a custom DSP platform
Design and implement...
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233 views
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5 applications
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2d
Electron.js Engineer
Applefy - Premium Software Development
Verified Employer
to $2000
Part-time
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Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - B2
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Telecom / Communications
Applefy, a leading mobile and Web Development company, is looking for a talented Flutter Developer to join our dynamic team on an ongoing project.
This is a fantastic opportunity for a developer passionate about building high-quality mobile applications and wanting to grow their skills in a flexible and supportive environment.
What We Offer:
• Flexible work schedule: Manage your own time and work at your own pace.
• Fully remote: Work from anywhere in the world.
• Comprehensive leave policy: Enjoy all...
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114 views
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17 applications
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4d
Senior Front-end developer
Tango Me/Танго Мі
Top Employer
$$$$
Office Work
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Ukraine
(Kyiv)
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6 years of experience
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English - B1
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Entertainment / Streaming
This vacancy requires office attendance in Kyiv
Responsibilities
Development and support of SPA on ReactJS: web version mobile-first of a high-load application, admin panels for internal use, and marketing pages
Collaborate with other teams to effectively meet the product and technical needs of the project
Proactively participate in improvements and existing solutions tuning
Share expertise and knowledge with your teammates
Requirements
At least 5 years of commercial experience in development in JS...
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218 views
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31 applications
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4d
Frontend Tech Lead
Growe Talents
$$$$
Full Remote
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Worldwide
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5 years of experience
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English - B1
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Gambling
Наш клієнт, Growe, провідна консалтингова компанія та група сервісів у сфері iGaming і розваг. Вони створюють стратегії, що працюють, та рішення, які масштабуються. Поєднуючи стратегічне бачення з практичним досвідом, Growe допомагає бізнесам орієнтуватися в динамічній індустрії, відкривати нові можливості, виходити на нові ринки та досягати сталого зростання.
Ідеально для тих, хто прагне:
Очолити frontend-команду та визначати технічні рішення;
Проєктувати та підтримувати frontend-архітектуру,...
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292 views
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99 applications
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4d
Middle / Senior Frontend Developer (Web3)
Overdone
Verified Employer
$$$
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - B2
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Blockchain / Crypto
We are looking for a Middle/Senior Frontend Developer to join an international Web3 product team.
Tech Stack
Angular 19
TypeScript
PrimeNG
RxJS, signals, modular frontend architecture
Required Experience
3+ years of commercial experience in Web3
Hands-on experience with blockchains:Ethereum, Solana (EVM & non-EVM)
Deep understanding of:Wallet integrations (MetaMask, WalletConnect, Phantom, etc.)
Signing, transactions, gas/fees, RPC providers
On-chain ↔ off-chain interaction patterns
Strong experience...
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258 views
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32 applications
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4d
Junior+ Three.js Developer
3DVisual Studio
to $1200
Full Remote
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Ukraine
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2 years of experience
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English - B1
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E-commerce / Marketplace
We are 3DVisual Studio, developing advanced 3D solutions for web platforms. Our projects include interactive visualizations, 3D configurators, STEM animations (chemical reactions, engineering models), and high-performance web applications.
We are currently looking for a Junior+ Three.js Developer who wants to grow in 3D development and work with advanced technologies.
Responsibilities:
Development of 3D scenes, animations and interactive elements in Three.js / WebGL.
Integration of 3D models into web...
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106 views
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14 applications
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4d
React Front-end Developer to work on Creative, Interactive WEBSITES
Noomo Agency
Top Employer
$$$$
Full Remote
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Countries of Europe or Ukraine
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8 years of experience
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English - C1
We’re looking for a Senior Front-end Developer to join our team.
This role is for someone who wants to work on WEBSITES with complex animations and interactive experiences.
We’re looking for someone with 8+ years of experience.
You’ll be working from enterprise company websites to immersive microsites and event-based web experiences. You can see examples of our projects here:
https://noomoagency.com/work
Must-haves:
React
Zustand (or similar state manager)
Tailwind (for styling)
GSAP (for...
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366 views
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20 applications
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4d
Frontend Developer
Fantik Studio
$
Part-time
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Full Remote
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Worldwide
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1 year of experience
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English - B1
What you'll work on
Marketing websites and landing pages, GSAP-powered scroll animations and interactions, integration of 3D elements, headless CMS integrations, performance optimization and cross-browser polish.
What we're looking for
At least 1 year of commercial frontend experience. Strong React and Next.js. GSAP at a confident level. You can take a Figma design and build it pixel-perfect without back-and-forth. You manage your own time and don't need hand-holding.
Three.js / WebGL experience...
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576 views
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210 applications
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4d
Middle/Senior Frontend Engineer (3D, Graphics) in Lisbon, Portugal
Mobilunity
$$$$
Office Work
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Portugal
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3 years of experience
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English - B2
On behalf of our Client from Portugal, Mobilunity is looking for a Middle/Senior Frontend Engineer (3D & Graphics) on full-time engagement.
Our Client is building a new digital product with a strong 3D rendering component. Part of a broader initiative to scale digital solutions and establish a Data & AI Center of Excellence. They designs, engineers and manufactures structural connectors, fasteners, anchors, lateral-force resisting systems and related products for wood, steel and concrete construction in...
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93 views
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0 applications
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5d