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Senior Full Stack Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000H1B No SponsorCompany SiteLinkedIn

Location

Ukraine

Posted

68 days ago

Salary

€4.5K - €6.5K / month

Seniority

Senior

Job Description

Senior Full Stack Engineer

Kilo™

• 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 our 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. • Collaborate with product, operations, and engineering teams to deliver impactful features. • Mentor other engineers, delegate tasks, and help grow a strong, senior-level engineering team. • Improve development processes, code quality, and engineering standards across the platform.

Job Requirements

  • Strong full-stack engineering fundamentals with a solid backend foundation (clean architecture, design patterns, testing).
  • Solid experience with PHP, ideally Laravel or Symfony, and strong experience with React / Next.js.
  • 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.
  • Take a senior mindset: ownership, technical leadership, and proactive problem-solving.

Benefits

  • 7 extra days off, 3 for weddings.
  • €1100 yearly budget for personal or team growth through coaching, mentorship, training, conferences, online courses, subscriptions, books.
  • €1500 for every successful referral.

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