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part-time Senior Backend developer PHP | Side-job

Remote, USA Full-time Posted 2026-06-20

Part-time/side-job

Ubego is a global platform where authors create excursions, quests, and real-life games in the editor. Consumers can purchase and participate in these excursions and games using the mobile app.

Ubego currently operates in over 60 cities and is expanding globally. Our plans include offering augmented reality (AR) functions to both authors and customers. Ubego's ultimate goal is to have millions of quests available, allowing customers to participate in these games every weekend in numerous locations worldwide.

We believe that Ubego will revolutionize the world by automating excursions. People will use their smartphones for excursions as autopilot technology will eventually replace human drivers. Providing a cheaper, better, and more independent service will always be a winning strategy.

Benefits

  • We work for 6 years
  • We have huge repeat purchase rate of 15%+
  • We earn money and grow
  • We have worldwide scalable business model
  • We are team of experienced and obsessive people
  • We have great company culture and ambitious goal

How do we work?

We work with use of scrum methodology. There are 1 weeks sprints followed by discussing and planning. We are following Lean startup methodology where we actively test ideas.

Responsibilities Create core API for real life quests / users / purchases Create services for automated publishing on different marketplaces Create services for automated digital advertisement management Create security, backup and robustness features

Requirements Skills requirements Frameworks:

  • Laravel Databases:
  • SQL Languages:
  • PHP
  • Markdown
  • Python

Tools:

  • git / code review (GitLab)
  • Linux Other skills:
  • Software Architecture design knowledge
  • DevOps skills Nice to know:
  • node.js
  • C++/Qt/WebAssembly
  • docker/ k8s
  • product management skills
  • Angular/React/Vue or other frontend framework
  • JavaScript / TypeScript

Personality requirements

  • Highly disciplined. Using task management tools
  • Tolerant to writing documentation
  • Ambitious. Ready to work hard to earn billions

What do we offer? This is an equity based compensation opportunity. To apply, you need to have a full-time job.

  • Equity in a high-growth startup
  • Up to 1,500,000 shares of Ubego (currently 11,500,000 shares available). P shares hourly + dividends.
  • The workload is approximately 10 hours per week, allowing for easy integration with your office job.

We are currently raising investments, and an independent investment manager has estimated the current company valuation at $6,000,000. As a result, gaining access to the team may be challenging, but we encourage you to still give it a try!

Apply Job!

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