TL;DR

Senior Fullstack Engineer (Web3): Contributing to full-stack development, owning features across the stack using React and Next.js, with a strong focus on architecture and complex business logic. Focus on complex domain logic, third-party integrations, and performance challenges across the stack.

Location: This position is fully remote.

Salary: Gross salary range is 4500-6500 EUR/month.

Company

Kiloverse is the operational force that helps ventures grow — building the systems, teams, and infrastructure that turn ideas into scalable businesses.

What you will do

  • Contribute to full-stack development, owning features across the stack using React and Next.js, with a strong focus on architecture and complex business logic.
  • Dive deep into complex domain logic, third-party integrations, and performance challenges across the stack.
  • Take ownership, make architectural decisions, and influence how the platform evolves end-to-end.
  • Design clean, well-documented APIs and collaborate closely with frontend engineers using React / Next.js.
  • Optimize application performance, security, and infrastructure reliability.
  • Mentor other engineers, delegate tasks, and help grow a strong, senior-level engineering team.

Requirements

  • Bring strong full-stack engineering fundamentals with a solid backend foundation (clean architecture, design patterns, testing).
  • Have solid experience with PHP, ideally Laravel or Symfony (or be confident you can ramp up quickly), and strong experience with React / Next.js.
  • Be comfortable working across the stack and stepping outside a narrow role when needed.
  • Confidently design and navigate complex business and domain logic.
  • Write reliable, well-tested code and follow best engineering practices.
  • Work autonomously, from system design through implementation, deployment, and optimization.

Culture & Benefits

  • 7 extra days off, 3 for weddings.
  • Coaching, mentorship, training, conferences, online courses, subscriptions, books – you’ve got a €1100 yearly budget to fuel personal or team growth.
  • Build impact across 30+ brands worldwide.
  • Launch bold projects.
  • Bring in more great people, you get €1500 for every successful referral.