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Backend Java Developer

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The Muse

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Location:
Bulgaria , Sofia

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Appfire is looking for a Backend Java Developer to help evolve a modern, cloud-based SaaS platform. You'll design new backend functionality, optimize existing services, and support systems used by thousands of tenants. This role reports to the Senior Manager of Engineering and works cross-functionally with product, UX, and frontend partners to deliver reliable, well-tested SaaS solutions.

Job Responsibility:

  • Designing and implementing new functionalities while maintaining and optimizing existing ones
  • Ensuring high code quality through rigorous testing (unit, integration) and peer code reviews
  • Collaborating with Product Owners, UX/UI designers, and frontend teams
  • Solving performance-related challenges to ensure system stability and speed
  • Contributing to technical discussions and helping the team solve production issues

Requirements:

  • Solid Java Foundation: Strong practical knowledge of Java, Spring, Hibernate, and SQL
  • Clean Code & Patterns: A good understanding of SOLID principles and common design patterns to keep the codebase maintainable
  • Testing & Tools: Proficiency in JUnit/Spock, Git, Maven, and Docker
  • Production-Ready Mindset: Experience in evolving and scaling established systems (beyond just greenfield projects) and a focus on long-term code maintainability
  • Performance Awareness: Ability to use profiling tools and a focus on writing efficient code that performs well under load
  • Cloud Basics: Understanding of SaaS architecture and cloud environments (AWS or GCP)

Nice to have:

  • You are dedicated to elevating client and co-worker experiences, knowing that exceptional work centers on serving others
  • You adapt swiftly to new business demands, understanding that change fuels collective and individual growth
  • You excel in communication, effectively connecting in remote/hybrid environments using tools like Slack, Zoom, and G Suite and through occasional in-person events
  • You have exceptional coaching, mentoring, and people development skills
What we offer:
  • 25 paid days off, regardless of years of experience
  • Private healthcare
  • Sofia public transport card
  • Multisport card
  • Development opportunities via our Appfire University
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short-Term Disability
  • Long-Term Disability
  • FSA
  • Flexible Work Hours
  • Remote Work Opportunities
  • Hybrid Work Opportunities
  • Casual Dress
  • Snacks
  • Company Outings
  • Holiday Events
  • Unlimited Paid Time Off
  • Paid Holidays
  • 401(K)
  • Company Equity
  • Leadership Training Program
  • Associate Or Rotational Training Program
  • Promote From Within
  • Access To Online Courses

Additional Information:

Job Posted:
February 13, 2026

Work Type:
Remote work
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