Freelance Java Developer

Who We Are

Yubo is the Social Discovery app to make new friends and hang out online. By eliminating likes and follows, we empower our users to create genuine connections and show up as their true selves.

We've pioneered a new way for Gen Z to socialize online, and with millions of active users, our goal is to redefine how we connect today and tomorrow.

Our team is international, multicultural and deeply committed to its mission. As the leading platform to socialize online, we have a special responsibility to build a safe digital space for our community. Safety is embedded in our DNA, and our proactive approach focuses on user protection, support, and education. We also work closely with the broader technology industry to share our knowledge and NGOs create industry-leading child protection standards.

Join us in this exciting journey and help us shape the future of social interactions!

Challenges

As aLead tech security engineer, you:

• Upgrade our Java code base from java 11 to the latest version (Java 17)
• Produce qualitative documentation to help the team after the mission
• Give feedback and advice concerning the next step : modernization
• Make improvements to the solution if it’s needed
  
  

Technical & Mindset Prerequisites

• Professional background:
• > 5 years
• Start-up / Scale-up / Large company
• Experienced as an independant
• Specific knowledge:
• Must have : Java (with experience on the latest version), Spring Boot, Gradle, Docker…
• Experience with performance and optimisation
• Nice to have : MongoDB and Bigtable
• Ability to document your work
• Soft skills:
• Autonomous
• Meticulous
• Adaptability
• Challenge driven
• Ability to “take a step back”
  
  

Technologies we use

• Java, Spring Boot, Gradle, Docker, MongoDb, GCP ...
  
  

The Recruitement Process

• 1/ TAM (45 min)
• 2/ Florian (45 min)
• 3/ Technical interview with Camille Tim and Florian (Just questions) (1h)
  
  

Our approach to privacy

• As part of your job, you will be working on tools that process personal data relating to Yubo users.
• As a social media platform, we require our employees to have a strong awareness and understanding of privacy issues, and in particular of children’s online safety, privacy and well-being.
• Every employee at Yubo is expected to participate in compliance with data protection regulations as well as the continuous improvement of our Privacy & Safety By Design measures.
  
  

Join Yubo and help shape the future of Social Discovery while enjoying a culture that values flexibility, well-being, and impact.

This Is How Our Team Drives Our Mission Forward

Small team, Big Impact: we turn every challenge into an opportunity through a strong sense of inventiveness, camaraderie, and support

Ownership and Velocity: we tackle challenges head-on, move quickly, take ownership and think long-term

Trust and Flexibility: We offer a hybrid work model that balances flexibility with collaboration:

• Paris and Île-de-France: 1 day minimum per week at the office
• In Europe: 2 days per month at the office
  
  

Safety-Driven Mission: we contribute to making social media safer and we are passionate about it

Enjoy Top-notch Benefits

Culture is central at Yubo, hence the numerous benefits:

Cool Workplace: enjoy our amazing Parisian office and our many hybrid work options

Team Activities: participate in get-togethers, events, and team-building activities

Family-Friendly: we support parents with childcare options and family-friendly policies

Wellness Programs: benefit from comprehensive health insurance, wellness programs, sports classes, and mental well-being initiatives

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