At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Java Developer to join one of our clients' teams with 6 months contract with possibility to extend. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.
đ§ Java Development:
* Design, develop, test, and maintain scalable Java-based backend applications.
* Write clean, efficient, and well-documented code using Java 11+ and Spring Boot.
* Design and implement RESTful APIs and microservices architectures.
* Optimize performance and ensure high availability of backend components.
* Conduct code reviews, unit testing, and integration testing.
* Troubleshoot and resolve complex technical issues across environments.
âïž Cloud & Infrastructure (AWS):
* Participate in AWS infrastructure optimization and implementation:
o Centralized monitoring via CloudWatch alarms
o Multi-account structure setup via AWS Organizations
o Security hardening (IAM policies, SSM Secure Strings)
o Deployment pipelines using AWS CDK and Infrastructure as Code (IaC)
o Cost-efficiency strategies including Aurora Serverless, rightsizing, and savings plans
* Work closely with DevOps/Cloud teams to ensure smooth CI/CD processes.
đ„ Team Collaboration & Coordination:
* Coordinate and communicate regularly with German-speaking stakeholders (C1 German required).
* Collaborate with offshore team members in Vietnam (English B2+ required).
* Take initiative in planning, prioritizing, and delegating development tasks.
* Provide technical mentorship to junior developers as needed.
Requirements:
* 8+ years of commercial experience with Java
* Strong expertise with Spring/Spring Boot, JPA/Hibernate, REST APIs
* Solid background in cloud-native development with AWS
* Experience with CI/CD, Git, and modern DevOps workflows
* German â C1 level (mandatory)
* English â B2 level (for internal collaboration)
* Strong communication, organizational, and team leadership skills
* Experience working in agile/Scrum environments