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HIRE NODE.JS DEVELOPER
Senior Node.js engineer shipping production APIs, serverless functions, and real-time backends. Available for full-stack delivery, microservices, and Firebase/Supabase integration — remote, worldwide.
Last updated: May 2026
START A CONVERSATIONWhy hire me
Production backend delivery
Built production APIs and serverless functions with Node.js, Express, and Fastify. Deep expertise in API design, authentication, rate limiting, and integrating with frontend frameworks.
Serverless & cloud-native
Deployed serverless APIs on Vercel, AWS Lambda, and Firebase Functions. Experience with edge functions, real-time WebSocket systems, and event-driven architectures using queues and pub/sub.
Remote-native collaboration
Structured daily standups, async updates via Slack/Linear, and weekly video check-ins when needed. Based in Japan, collaborating with teams across APAC, EU, and US.
Full-stack integration
Node.js backends paired with React/Next.js frontends, Firebase/Supabase realtime sync, and PostgreSQL or NoSQL data layers. One engineer for your entire stack from API to UI.
What you get
- Next.js marketing sites and landing pages with App Router
- Headless CMS integration (WordPress, Contentful, Sanity)
- Design system implementation with Tailwind CSS
- Performance optimization — LCP, INP, CLS, and caching strategy
- Firebase/Supabase backend integration and serverless APIs
How it works
Requirements
Definition of content models, complete page inventory, primary user flows, and technical constraints including CMS selection, authentication requirements, payment integration needs, and internationalization strategy.
Design System
Component library built in Tailwind CSS with consistent typography scales, semantic color tokens, spacing systems, and accessibility baselines meeting WCAG 2.1 AA standards — ensuring visual cohesion across all pages and devices.
Development
Next.js App Router implementation using Server Components for data fetching, dynamic route handlers for localized content, API route handlers for form submissions, and headless CMS integration for marketing team autonomy.
Performance
Image optimization with WebP/AVIF formats and responsive srcsets, font subsetting to minimize layout shift, strategic third-party script loading with defer and async attributes, and caching rules tuned for both static and dynamic content.
Launch
Vercel deployment configuration with custom domain setup, staging and production environment separation, analytics verification across GA4 and Search Console, and post-launch monitoring for error rates and Core Web Vitals regression.
Recent delivery
Deckbase
Learn with decks, FSRS spaced repetition, rich templates, and AI-assisted card creation.
Case study →
LoA
Mindful app usage: pause before distracting apps with intention, gratitude, and affirmations.
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AgentOS
Observe, organize, and control AI agents across tools — Claude Code, Cursor, and more.
Case study →Engagement
Fractional Lead
2–3 days per week embedded with your team. Ideal for ongoing roadmap delivery, architecture decisions, and mentoring while you scale.
Project-Based Delivery
Fixed-scope sprints (4–8 weeks) with clear milestones. Best for MVPs, feature launches, and greenfield builds.
Advisory Retainer
Architecture review, code audits, and technical strategy on a monthly basis. Perfect for teams that need senior oversight without full-time commitment.
Trust
8+
Years experience
4+
Apps shipped
24h
Response time
1 week
Paid trial
Trusted at
Testimonials
Yosuke built our payment processing API with Node.js. It handles 10,000+ transactions daily with zero downtime.
— CTO, Fintech Company
Our real-time notification system needed to scale to millions of users. Yosuke's Node.js architecture made it look easy.
— Engineering Lead, Real-time Platform