Senior Backend Engineer (C++ / PHP)

Lifted, an Upwork Company
📍 Barcelona, Catalonia, Spain 💼 Full-time 🕒 Posted March 02, 2026

Job Description

Job Description

What You’ll Be Responsible For:

  • Designing, building, and maintaining backend systems using C++ and PHP as primary technologies
  • Owning features and systems end-to-end, from architecture through production delivery
  • Solving complex technical problems independently and proactively
  • Providing daily written updates on progress, decisions, and blockers
  • Actively participating in technical and product discussions via Slack in a chat-driven environment
  • Collaborating with a small, senior team in a fully asynchronous operating model

Qualifications

Technical Requirements (Non-Negotiable):

  • Expert-level proficiency in both C++ and PHP
  • Clear commitment to C++ and PHP as long-term backend technologies (not stepping stones)
  • Demonstrated problem-solving ability, validated through a paid C++ and PHP technical challenge
  • Strong backend systems thinking (performance, relia...

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Job Details

  • Location Barcelona, Catalonia
  • Job Type Full-time
  • Category Computer Occupations
  • Posted Date March 02, 2026
  • Application Deadline April 11, 2026