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Ubique Systems

Back End Developer

Ubique Systems
Poland · Contract · Mid-Senior

Job Title: Back-end Developer

Location: Krakow, Poland (Onsite)

Duration: 6 Months (Extendable)

Employment Type: Contract B2B


Roles & Responsibilities:


Responsibilities:

  • Design, develop, and maintain scalable backend services using Java and Kotlin.
  • Build and enhance APIs to extend application capabilities and integrations.
  • Address and resolve backend-related tech debt issues for code quality improvements.
  • Participate in system design reviews and offer recommendations.
  • Write tests using Google's infrastructure and tools to ensure backend reliability.
  • Diagnose and fix backend bugs with focus on long-term solutions via root cause analysis.

Requirements:

  • Strong backend development skills in Java and Kotlin.
  • Experience in building and consuming APIs.
  • Familiarity with internal frameworks and libraries.
  • Proficient with backend testing and debugging practices.
  • Strong problem-solving and documentation skills.

Key Skills

Ranked by relevance

java
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Posted
Jun 23, 2025
Type
Contract
Level
Mid-Senior
Location
Cracow

Industries

IT Services IT Consulting

Categories

Information Technology

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