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X4 Technology
X4 Technology

Java Software Engineer

Location

Remote anywhere

Salary Estimate

N/AIconOpenNewWindows

Seniority

N/A

Tech stacks

Database
Testing
Microservices
+30

Permanent role
5 days ago
Apply now

Senior Backend Engineer

What You’ll Do

  • Design, develop, and maintain scalable, highly available backend systems, with a strong emphasis on reliability and continuous delivery.
  • Develop and enhance backend services within an event-driven microservices architecture, using message brokers like RabbitMQ or Kafka.
  • Take full ownership of features and services, from initial design through implementation, testing, and production deployment.
  • Work closely with engineers, Product, and QA teams to deliver well-defined, high-quality solutions.
  • Lead by example during code reviews, ensuring high standards for readability, maintainability, and testability.
  • Mentor mid-level and junior engineers through hands-on guidance, constructive feedback, and knowledge sharing.
  • Participate in and lead technical interviews, helping to uphold a consistent and high hiring standard.
  • Actively contribute to improving engineering practices, tools, and system reliability over time

What We’re Looking For

  • At least 5 years of hands-on experience in backend engineering.
  • Strong practical expertise in Java, Spring Framework / Spring Boot, and building RESTful services.
  • Demonstrated experience with event-driven architectures, including message brokers such as RabbitMQ, Kafka, or similar (required).
  • Solid experience with relational databases (e.g., MySQL, PostgreSQL, OracleDB).
  • Proven ability to design and manage distributed systems and microservices in production.
  • Strong commitment to code quality and automated testing, including unit and integration testing.
  • Comfortable working with Git-based workflows and collaborating effectively in cross-functional teams.

Nice to Have

  • Experience with CQRS, Domain-Driven Design (DDD), event sourcing, or NoSQL databases.
  • Familiarity with Test-Driven Development (TDD).
  • Experience using Docker, CI/CD pipelines, and modern cloud platforms (e.g., GCP).
  • Knowledge of Kotlin.

How We Work

  • We operate in cross-functional Agile teams, collaborating through planning sessions, reviews, and retrospectives.
  • We prioritise clear communication, predictable delivery, and well-tested systems.

About X4 Technology

🔗Website
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