L2 Software Engineer - Web
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Key details
- Location
- Shibuya, Japan
- Work style
- Hybrid
- Level
- Mid level
- Function
- Software engineering
- Focus area
- Full stack
- Posted
- Yesterday
Skills
About the role
With millions of wallets created and a global audience, Bitcoin.com is one of the world's leading crypto content and onboarding platforms. We are looking for an experienced Senior Web Engineer to design, build, and improve our web products, with a strong focus on performance, scalability, and user experience. You will take ownership of key engineering workstreams, collaborate closely with Product and Design, and leverage AI-first development practices to deliver high-quality solutions. Join us in bringing crypto to the next billion users.
Location: Tokyo office
In the office 3 days a week, but the initial 2 months 5 days a week
Key Responsibilities
- Design, build and ship features across our web products, from scoping to production
- Be the main engineering contact for Product and Design on your workstreams
- Build reusable components and content tooling so non-engineers can create and update pages themselves
- Keep our sites fast, accessible and SEO/GEO optimised across many languages
- Own hosting and delivery: environments, CDN and caching, security rules, DNS and domains
- Support releases and lead the investigation of production issues
- Review code and raise the bar on quality, testing and documentation
- Work AI-first, and help the team get more out of AI coding tools
What We Are Looking For
Required
- 5 years (or more) of professional web development, including senior-level work on high-traffic production sites
- Expert TypeScript, React and Next.js
- Headless CMS experience: content models and editor workflows that non-engineers actually use
- Strong web performance, accessibility and technical SEO: Core Web Vitals, rendering strategies, structured data
- Comfortable with server-side JavaScript and APIs (REST, GraphQL)
- Hands-on with Vercel, AWS or Cloudflare: deployments, CDN and caching, firewall rules, DNS, logs and monitoring
- Secure web development practices
- Fluent with AI coding tools like Claude Code, with the judgment to know when the output can’t be trusted
- Clear written and verbal English, strong presentation skills, and a self-driven work style
- BS in Computer Science or equivalent experience
Nice to Have
- Monorepos and design systems
- CI/CD and infrastructure as code
- Internationalisation at scale
- Automated and end-to-end testing (e.g. Playwright)
- Monitoring and analytics tools (Sentry, New Relic)
- Crypto or fintech products, including Web3 wallet integrations
- Content in regulated industries
Why Join Us
- Be part of a mission-driven company pushing crypto inclusion
- Work on high-impact features used by millions daily
- Flexible, modern, remote-friendly environment
- Culture of ownership, craftsmanship, and learning
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