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Aera Technology

Senior Software Engineer – Backend

Aera Technology

Senior Software Engineer developing scalable Java backend solutions for Aera Technology. Collaborating with cross-functional teams and mentoring junior developers in an innovative environment.

Posted 5/25/2026full-timeCluj-Napoca • 🇷🇴 RomaniaSeniorWebsite

Tech Stack

Tools & technologies
ApacheAWSDockerGradleJavaJUnitKafkaKubernetesLinuxMicroservicesMockitoRedisSparkSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact
  • Design, build and maintain efficient, reusable, and reliable code and automation
  • Use AI-enabled engineering practices to enhance code quality, automate work, and accelerate development/testing/documentation.
  • Collaborate with cross-functional teams to influence product direction and define functional requirements.
  • Identify opportunities for technical and product innovation, and design solutions that elevate performance and user experience.
  • Gain in-depth knowledge of owned modules and maintain understanding of end-to-end flows and modules that interact with them.
  • Deliver highly scalable, robust, and performant APIs and software products.
  • Identify and resolve technical challenges to ensure high-quality software delivery.
  • Mentor junior team members and contribute to a culture of engineering excellence
  • Participate in design and code reviews
  • Identify bottlenecks and bugs in applications, and devise solutions to ensure performance, quality, and responsiveness.

Requirements

What you’ll need
  • 8+ years of experience working in Java, server-side development, with a proven track record of delivering great software
  • Adopter of modern LLM tools for Java backend development
  • Discuss design patterns, memory management, and performance optimization
  • Experience with Spring Boot, ORM Frameworks, Microservices, and REST APIs, GIT, Gradle, and Linux platforms
  • Experience with modern design approaches like Event Based Design, Component-Based Design, SOLID, KISS, DRY, YAGNI, Clean Code
  • Experience with SQL development, data modeling, and complex data structures for high-volume and high-velocity data
  • Hands-on experience with frameworks such as JUnit, TestNG, Mockito
  • Experience with Docker and Kubernetes is a strong plus
  • Working knowledge in AWS, Kafka, Apache Spark, Elastic search, REDIS, ELK
  • Experience building secure, complex, and scalable APIs
  • Solid understanding of writing and delivering testable quality code
  • Experience with streaming data and complex event processing systems
  • Have positive energy and enthusiasm
  • Organised with a professional attitude to work.

Benefits

Comp & perks
  • Comprehensive medical coverage with a subscription to one of the main private healthcare clinic networks (Regina Maria)
  • Paid leave of 25 days/year
  • Remote work reimbursement/a monthly teleworking allowance
  • Unlimited access to online professional courses via Udemy
  • People manager development programs
  • Flexible working environment

ATS Keywords

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Hard Skills & Tools
Javaserver-side developmentSpring BootORM FrameworksMicroservicesREST APIsSQL developmentdata modelingJUnitDocker
Soft Skills
mentoringcollaborationproblem-solvinginnovationcommunicationorganizational skillsenthusiasmprofessional attitude