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StartupSoft Logo StartupSoft · IT - Software Development

Senior Back End Engineer

Ukraine · Job Posted January 10, 2026
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Job Description

The company is developing an all-in-one operational platform for the real estate industry that combines investment management, day-to-day operations, property improvement, and financial workflows in a single modern system. By centralizing data and processes, the platform enables real estate teams to automate routine tasks, eliminate operational silos, and efficiently scale across the full lifecycle of their assets.

Job Responsibility

  • Design, build, and maintain backend services in Java within a shared monorepo
  • Develop clean, scalable, and well-structured REST APIs that power core product functionality
  • Design and maintain database schemas, write optimized SQL queries, and define transaction boundaries to ensure data integrity and high performance
  • Build systems that are safe under high load, ensuring atomic operations, correct isolation levels, and prevention of race conditions
  • Implement and maintain background processing and asynchronous workflows using cloud messaging and scheduling services
  • Monitor, troubleshoot, and improve system reliability using cloud monitoring and alerting tools
  • Collaborate closely with other engineers in an agile environment to ship features efficiently and safely
  • Participate in code reviews and contribute to improving internal tools, frameworks, and engineering standards
  • Work in an AI-assisted development environment, reviewing, validating, and refining AI-generated code and plans

Requirements

  • Professional experience as a backend software engineer working with Java
  • Strong knowledge of SQL and relational databases, including schema design, indexing, and query optimization
  • Experience designing and building RESTful APIs
  • Solid understanding of concurrency, transactions, and data consistency in distributed systems
  • Hands-on experience with AWS or other major cloud platforms
  • Ability to reason about system performance, scalability, and real-world production constraints
  • Comfortable working in a monorepo and contributing to shared codebases
  • Experience working with background jobs, message queues, or scheduled processing is a plus
  • Comfortable using modern AI-assisted development tools and workflows
  • Strong communication skills and ability to work independently
  • Availability to overlap with CST working hours (until 2:00 AM Kyiv time)

Nice to have

  • Experience with Kubernetes / EKS / Containerization approaches
  • Familiarity with AI-assisted development workflows (agentic/AI-first SDLC)
  • Experience with background job systems and messaging/queues (e.g., SQS-style patterns)
  • Experience with cloud monitoring & alerting (e.g., CloudWatch metrics/alarms or similar tools)

What we offer

  • Global collaboration opportunities
  • Core team membership
  • Equity and ownership potential
  • Premier workspaces
  • Competitive compensation package
  • Cutting-edge technology environment
  • Impactful project contributions
  • Collaborative company culture
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