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Home / Senior Java Developer

Senior Java Developer

  • Full Time
  • Anywhere

Aquiva Labs

Hapi (Data Travel, LLC) is a company that specializes in data integration for hospitality companies and their technology partners.

We are seeking a highly skilled and experienced Senior Java Developer with a strong focus on hands-on technical expertise and a passion for building scalable, robust solutions. In this role, you will be responsible for developing high-quality code, designing innovative architectures, implementing automated testing, and contributing to a seamless DevOps workflow.

Key Responsibilities

  • Develop and maintain high-quality, scalable, and reusable applications and solutions
  • Create and maintain robust automated test suites with a focus on functional coverage
  • Conduct code reviews to ensure adherence to best practices and maintain high-quality standards
  • Work closely with cross-functional teams, including product managers, architects, solution designers, and QA engineers
  • Design and architect end-to-end solutions that meet functional and non-functional requirements
Project Stack
  • Java 21, with migration to 25 in progress
  • Spring Boot 3.5, with migration plans to version 4 in Q1 2026
  • Maven, Docker, AWS (ECS, Lambda, RDS)

Skills, Knowledge and Expertise

  • Bachelor’s degree or equivalent experience in Computer Science
  • Excellent verbal and written communication skills
  • 5+ years of experience as a Java Engineer (version 17 and newer)
  • Familiarity with microservice architecture
  • Web service / server-side development using Spring Boot (Java or Kotlin)
  • Exposure to Kotlin
  • Strong SQL knowledge
Will be a plus:

  • You are familiar with the Hospitality industry and hotel IT systems (PMS, CRS, etc.)
  • AWS Experience (S3, SQS, ECS, Lambda, RDS)
  • AI technologies resonate with you

Originally posted on Himalayas

To apply for this job please visit himalayas.app.

About this role & career path

Working in Austria

Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine states, of which the capital Vienna is the most populous city and state. Austria is bordered by Germany to the northwest, the Czech Republic to the north, Slovakia to the northeast, Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the west. The country occupies an area of 83,879 km2 (32,386 sq mi) and has a population of about 9.2 million.

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