Vetted for
Tech & Soft Skills
Verified for
Remote Performance
Average Job Engagement
13+ Months
97% conversion rate from trial to placement
Assess both the candidate’s hard and soft skills within a month to see if they align with your criteria.
Charges apply only if the talent successfully passes the trial period evaluation.
If the current candidate does not meet expectations, we will promptly find a replacement.
Hire senior experts who match US-level engineers in expertise and work ethic, integrate easily into your team, and deliver high-quality code from day one.
Get to work with your new hire on a risk-free trial. Pay only if you're completely satisfied with the results. We handle all payments, NDA's, and the complexities of remote contracting.
Skip the hassle of sifting through resumes and meet 3 handpicked candidates who are the perfect fit technically and culturally, so you can focus on building great products.
Benefit from personalized support throughout the onboarding process, talent integration, and ongoing performance monitoring with a dedicated account executive and expert talent matcher.
Deploy AI-Powered Web Applications
Our top 1% JavaScript developers from LATAM and CEE build intelligent web applications using Next.js 15, React 19, and integrated AI features powered by OpenAI, Anthropic, and custom LLMs. Implement real-time AI assistants, predictive analytics dashboards, and automated workflows that increase user engagement by 3x. Human-vetted engineers deliver production-ready code with TypeScript, serverless architectures, and edge computing for 2025's AI-first experiences, helping you save 40-60% on development costs.
Scale High-Traffic Node.js Platforms
Access 30,000+ human-vetted engineers from LATAM and CEE who architect Node.js backends handling millions of requests daily. Our JavaScript experts implement microservices with NestJS, event-driven architectures with Kafka, and real-time features using WebSockets and Server-Sent Events. Reduce latency by 70% and cut infrastructure costs by 50% with optimized database queries, caching strategies using Redis, and horizontal scaling patterns trusted by 250+ startups.
Build Progressive Web Apps with Offline Capabilities
Our human-matched JavaScript developers create PWAs using modern frameworks like SvelteKit, Astro, and Qwik that deliver native-like experiences across devices. Implement service workers, IndexedDB storage, and background sync for seamless offline functionality. Increase mobile conversion rates by 40% and reduce bounce rates by 35% with lightning-fast load times under 1 second, all while achieving 40-60% cost savings compared to traditional development teams.
Modernize Legacy JavaScript Codebases
Transform outdated JavaScript applications into modern, maintainable systems with our top 1% engineers from the pool of 2.5 million professionals. Migrate from jQuery and Backbone to React, Vue, or Angular with zero downtime. Refactor monolithic frontends into micro-frontends, implement comprehensive TypeScript typing, and establish CI/CD pipelines. Reduce technical debt by 60% and accelerate feature velocity by 3x with proven migration strategies that have saved clients $80M+ in hiring costs.
Implement Real-Time Collaboration Features
Our human-vetted JavaScript developers build sophisticated real-time features using WebRTC, Socket.io, and operational transformation algorithms. Create collaborative editors, live dashboards, multiplayer experiences, and synchronized data across distributed users. Leverage CRDTs, WebSockets, and edge computing for sub-100ms latency. Perfect for SaaS platforms requiring instant updates, trusted by companies like Omio and Stuart with our globally compliant engineering pods.
Develop Secure E-Commerce Platforms
Build PCI-DSS compliant e-commerce solutions with our top 1% JavaScript developers matched in 48 hours. Implement headless commerce architectures using Shopify Hydrogen, Medusa, or custom solutions with Stripe, PayPal, and cryptocurrency integrations. Add fraud detection, inventory management, and personalized recommendation engines that increase average order value by 45%. Our engineers from LATAM and CEE deliver GDPR and CCPA-compliant solutions with 99.9% uptime guarantees.
Create Cross-Platform Apps with React Native
Access 30,000+ human-vetted engineers who build native iOS and Android applications using React Native, Expo, and the latest 2025 architecture. Implement biometric authentication, push notifications, offline-first data sync, and native module integrations. Reduce time-to-market by 50% compared to separate native teams while maintaining 60fps performance. Our AI-first matching process connects you with specialists who have shipped apps with millions of downloads, with no upfront fees.
Build Analytics Dashboards with Real-Time Data Visualization
Our JavaScript experts create interactive analytics platforms using D3.js, Recharts, and WebGL-powered visualizations that process millions of data points in real-time. Implement streaming data pipelines with Apache Flink, custom chart libraries, and predictive analytics using TensorFlow.js. Reduce decision-making time by 65% with actionable insights delivered through intuitive interfaces. With 97% of clients returning for a second engagement, our human-matched engineers deliver dashboards that drive business growth.
Integrate Third-Party APIs and Microservices
Our top 1% JavaScript developers from LATAM and CEE architect robust API integrations connecting payment gateways, CRMs, marketing automation, and AI services. Build GraphQL federations, REST API wrappers, and webhook handlers with comprehensive error handling and retry logic. Implement OAuth 2.0, API rate limiting, and monitoring with DataDog or New Relic. Accelerate integrations by 70% and ensure 99.99% reliability with engineers who complete 12,000+ technical assessments monthly, delivering full engineering capabilities across 160+ countries.
Scale your team month-to-month with vetted freelancers, perfect for changing needs.
One-time fee for a fully-vetted, permanent, and globally compliant team member.
Kick off your next big project with a complete engineering team & end-to-end support.
13.8M+
JavaScript developers worldwide in 2024
65%
Developers use JavaScript, most popular language
22%
Projected growth for software developers by 2030
$115K
Average JavaScript developer salary in the U.S.
1 minute
Post a job
Sign up & tell us about your project and the skills you’re looking for.
48 hours
Screen candidates
We send you 3 hand-picked interview-ready JavaScript developers for your role.
2-3 days
Interview devs
Sign up & tell us about your project and the skills you’re looking for.
Final step
Hire devs
Once contracts are signed, you and your dedicated developer can start working together, under our management.
high performing vetted talent from Balkans, CIS & LATAM
longer commitment compared to in-house engineers
technologies covered, from Python & Java to Rust & Scala
the average industry experience of our tech talent
months average job engagement
with a 30-day payback, replacement discount, no extra fees
How quickly can I hire a JavaScript developer?
How does Index.dev vet JavaScript developers?
What are the rates for JavaScript developers?
Can I hire a full JavaScript development team?
How does AI matching work for JavaScript roles?
What if a JavaScript developer doesn't work out?
Choose from three engagement models custom to your needs.
These related technologies and skills might also be relevant to your needs

Grow your Development capabilities.
Access 30,000+ human-vetted JavaScript engineers from LATAM and CEE. AI-first matching, top 1% talent, 1.2% acceptance rate. Start risk-free today.
Get 30-day risk-free trial