Hi, I'm Satoshi Nakamura
Full-Stack Developer & AI Automation Specialist
I help businesses turn ideas into secure, scalable digital products – from custom web apps and e-commerce platforms to APIs and AI-driven automation. 10+ years across JavaScript, PHP, Python, React and Next.js.
Engineering reliable software, end to end
I'm a full-stack software developer passionate about building secure, scalable and efficient web applications.
Over the past decade I've helped startups and established businesses turn ideas into fully functional digital solutions – pairing clean-code practices with modern development tooling. My work spans backend systems, polished front ends, e-commerce, and increasingly AI-powered automation.
Whether it's a straightforward website, a custom web application, or a complex commerce system, I focus on delivering top-quality work on time and on budget – with clear communication throughout.
Languages
Areas of expertise
Backend Development
Python, Node.js, Java & PHP with Laravel, CodeIgniter and Symfony.
Frontend Development
React, Next.js, Vue & Angular with responsive, SEO-friendly UIs.
E-Commerce
WooCommerce, Shopify, Magento & custom Stripe / PayPal gateways.
AI & Automation
OpenAI, chatbots, n8n, Zapier & Python workflow automation.
CMS & Web3
WordPress, Drupal, Joomla plus blockchain & crypto integrations.
Servers & DevOps
Nginx, Apache, Docker, Linux, Git and CI/CD pipelines.
Technical proficiency
The tools I reach for every day, and how deep I go with each.
Core skills
ProficiencyWhere I spend my time
Delivery focus across disciplines
- Backend30%
- Frontend28%
- E-Commerce20%
- AI & Automation12%
- DevOps10%
Full toolbox
Backend
Frontend
Databases
E-Commerce
APIs & Payments
AI & Automation
CMS & Web3
Servers & DevOps
Projects I've helped build
A selection of live products across e-commerce, fintech, wellness and content platforms. Click any card to open the live site.
Thombo Exchange
A cryptocurrency trading platform with spot trading, wallets and asset exchange across 500+ pairs on five chains. Built the trading UI, live market-data pipeline and secure, KYC-gated onboarding.
- Real-time markets dashboard streaming prices for 500+ trading pairs
- KYC-gated onboarding with wallet funding and withdrawal flows
- Low-latency execution layer wired to third-party price feeds
Harbinger Fitness
Shopify storefront for a 35-year strength-training gear brand. Built a custom, conversion-focused theme with category-driven navigation and integrated social proof.
- Custom Shopify theme with catalog, search and account flows
- Integrated Judge.me reviews and UGC carousels for social proof
- Free-shipping threshold logic to lift average order value
BetterHelp
The world's largest online therapy platform, connecting users with 30,000+ licensed therapists. Contributed to the intake-to-matching funnel and multi-modal session experience.
- Multi-step intake questionnaire with therapist-matching logic
- Recurring subscription billing with Stripe (plan changes, proration)
- Secure real-time messaging and scheduling across chat, phone & video
HØLTE Studio
A London studio selling bespoke kitchen fronts compatible with IKEA and Howdens. Built a custom WordPress theme, sample shop and multi-step consultation flows.
- Custom theme and WooCommerce sample shop for three product tiers
- Consultation forms with large plan uploads and appointment booking
- Lazy-loaded imagery for a fast, minimalist brand experience
The Good Trade
An editorial platform for sustainable living reaching ~350K newsletter subscribers. Built the custom theme and editorial tooling with a focus on Core Web Vitals.
- Custom theme with ACF-driven models for long-form guides & roundups
- Image and CDN optimization to improve Core Web Vitals at scale
- Affiliate link management and newsletter capture flows
Camisa de Time
A Shopify store selling customizable football jerseys to 70+ countries. Built a personalization flow, tiered promotions and a multi-country EUR checkout.
- Jersey personalization (name + number) via cart line-item properties
- 'Buy 3, pay 2' tiered pricing across a 70+ region storefront
- Apple Pay, Google Pay and card checkout plus WhatsApp support
Screenshots and brands belong to their respective owners; shown to illustrate delivered work.
Verified skill assessments
Independently scored assessments completed in 2025.
| Year | Assessment | Score | Status |
|---|---|---|---|
| 2025 | Computer Skills – Intermediate | Completed | |
| 2025 | Ruby on Rails – Basic | Completed | |
| 2025 | Android – Advanced | Completed | |
| 2025 | Linux | Completed | |
| 2025 | Design Patterns | Completed | |
| 2025 | C# – Intermediate | Completed | |
| 2025 | ASP.NET WebForms – Advanced | Completed | |
| 2025 | JavaScript – Advanced | Completed | |
| 2025 | WordPress – Advanced | Completed | |
| 2025 | Web Design | Completed |
All assessments completed and passed on Workana.
What clients say
Real feedback from engagements delivered on Workana.
“Profissionalismo, rapidez, atingindo a expectativa do projeto e do desenvolvimento necessário na substituição do tema, aplicação dos assets e prazo determinado para entrega. Agradeço e desejo sucesso.”
Project: WordPress theme migration & Core Web Vitals
“Aunque mi idioma nativo es español, Satoshi me entendía muy bien los requerimientos y siempre muy dispuesto a cualquier cosa que se presentara para solucionarlo. Amable y respetuoso.”
Project: AI WhatsApp agent with Shopify integration
“Satoshi did an excellent job! He solved the issue perfectly and very quickly. Highly recommended!”
Project: WordPress bug fix – PHP & JavaScript
“Excelente comunicación, predisposición incluso con tareas ajenas a las pactadas. Lo recomiendo 100%.”
Project: n8n automation · APIs · CRM · WhatsApp AI
“MoonPay payment gateway integration and full deployment of a cryptocurrency exchange platform – delivered securely and on schedule.”
Project: Crypto exchange deployment & MoonPay gateway
“React.js frontend for the migration of a legacy PHP web system, plus a multi-cloud pricing comparison platform. Reliable, precise delivery across two projects.”
Project: React migration & multi-cloud cost platform
Let's build something great
Tell me about your project – I'll get back to you quickly with a clear plan and next steps.