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.
Key Responsibilities:
* Develop and enhance backend services using Java (8+ years of experience required).
* Lead the technical optimization of AWS infrastructure, focusing on:
o Operational stability
o Security enhancements
o Performance improvements
o Cost efficiency and sustainability
* Implement:
o Centralized monitoring via CloudWatch alarms
o Multi-account AWS setups using AWS Organizations
o Security best practices (SSM Secure Strings, IAM guidelines)
o Automated deployment pipelines with AWS CDK
o Cost optimization strategies (rightsizing, savings plans, Aurora Serverless)
* Coordinate with stakeholders in Germany and developers in Vietnam.
* Proactively lead or mentor a small, distributed development team when needed.
Required Skills & Qualifications:
* 8+ years of professional experience with Java development
* Strong AWS knowledge in cloud-native architecture, distributed systems, and IaC
* German – C1 level (mandatory for direct communication with German client)
* English – B2 level (for internal communication and international collaboration)
* Excellent communication, coordination, and organizational skills
* Experience leading or mentoring small technical teams is a strong plus
Nice to Have:
* Previous work with international, cross-functional teams
* Experience with AWS CDK or similar IaC tools
* Familiarity with AWS Well-Architected Framework