Java Developer

Location: Remote (Vietnam)
Employment type: Full time
About Us
Checker is an enterprise-scale digital platform crafted for mystery shopping, CX/VoC research, and end-to-end field-work automation. With over 20 years of experience in research solutions and technology integration, we empower global agencies and brands to streamline workflows, deliver actionable insights, and elevate customer experiences.
Learn more at [protected info]
Role Overview
As a Java Engineer , you will work on backend services and integrations that power real-world healthcare processes, collaborating closely with a cross-functional team of developers, QA, and business analysts.
We are looking for candidates who have experience with Java and .NET
Responsibilities
Design, develop, test, and maintain backend services and APIs using Java (Spring / Spring Boot or equivalent frameworks).
Contribute to the healthcare platform, including features related to patient/clinical data workflows, reporting, and system integrations.
Write clean, well-tested, maintainable code and participate in code reviews.
Work with relational databases (e.g., PostgreSQL, MS SQL, Oracle) for data modeling, queries, and performance tuning.
Collaborate with QA, DevOps, and business analysts to deliver features that meet functional and non-functional requirements, including healthcare data security and compliance considerations.
Where relevant, support or contribute to .NET-based components or integrations within the broader system landscape.
Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives) and contribute to continuous improvement of team practices.
Troubleshoot and resolve production issues, including root-cause analysis and post-incident follow-up.
Requirements
Solid hands-on experience with Java (Core Java, OOP principles); experience with Spring / Spring Boot is a strong advantage.
Working knowledge of .NET (C#) is a plus - ability to read, understand, and work with .NET code/integrations when needed.
Experience with relational databases and SQL.
Familiarity with REST API design and integration patterns.
Understanding of version control (Git) and collaborative development workflows.
Good problem-solving skills and attention to detail, especially given the sensitivity of healthcare data.
Good communication skills in English (written and spoken), sufficient for working with an international/cross-functional team.