Job Url: https://careers.aquivalabs.com/en/postings/00f613ad-4f19-4f92-9478-e134cc1ffe1d

Job Description: Senior Java Developer
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
About Hapi
Hapi (Data Travel LLC) is a leading cloud-based data connectivity platform that empowers hospitality companies to seamlessly integrate their systems and unlock the power of their data. We are a dynamic and innovative company committed to revolutionizing the hospitality industry through cutting-edge technology. Our culture is collaborative, fast-paced, and focused on delivering exceptional value to our clients. With highly skilled team members in 18 countries, Hapi is used today by over 7,500 hotels in over 100 countries.

Welcome to Hapi. Let’s innovate, create, and leave our mark on the world!
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