Sr. Lead Software Engineer

This is an incredible opportunity to be part of a company that has been at the forefront of AI and high-performance data storage innovation for over two decades. DataDirect Networks (DDN) is a global market leader renowned for powering many of the world's most demanding AI data centers, in industries ranging from life sciences and healthcare to financial services, autonomous cars, Government, academia, research and manufacturing.

"DDN's A3I solutions are transforming the landscape of AI infrastructure." – IDC 

“The real differentiator is DDN. I never hesitate to recommend DDN. DDN is the de facto name for AI Storage in high performance environments” - Marc Hamilton, VP, Solutions Architecture & Engineering | NVIDIA 

DDN is the global leader in AI and multi-cloud data management at scale. Our cutting-edge data intelligence platform is designed to accelerate AI workloads, enabling organizations to extract maximum value from their data. With a proven track record of performance, reliability, and scalability, DDN empowers businesses to tackle the most challenging AI and data-intensive workloads with confidence. 

Our success is driven by our unwavering commitment to innovation, customer-centricity, and a team of passionate professionals who bring their expertise and dedication to every project. This is a chance to make a significant impact at a company that is shaping the future of AI and data management. 

Our commitment to innovation, customer success, and market leadership makes this an exciting and rewarding role for a driven professional looking to make a lasting impact in the world of AI and data storage. 

JOB DESCRIPTION

We are seeking a Senior Lead Java Engineer to join our team and lead the development of scalable,
high-performance solutions.
This role focuses on leveraging Java technologies, cloud infrastructure, and modern development
principles to deliver robust software products.
Responsibilities
- Design, develop, and maintain highly scalable Java applications using Spring Boot and Hibernate.
- Collaborate with cross-functional teams to define technical requirements and design system
architectures that leverage AWS services (EC2, S3, RDS, etc.).
- Integrate and manage Elasticsearch for indexing and querying large datasets efficiently.
- Write high-quality, efficient unit tests using Mockito to ensure extensive coverage and reliable code.
- Ensure adherence to SOLID principles and other design patterns for maintainable, clean, and
scalable code.
- Lead technical reviews and mentor junior engineers to follow best practices in Java development
and cloud infrastructure.
- Optimize application performance and monitor resource usage in distributed systems.
- Take ownership of the full software development lifecycle, from design to deployment, ensuring
high standards of quality and reliability.
Basic Qualifications
- 8+ years of experience in Java development, with extensive knowledge of Spring Boot and Hibernate.
Basic Qualifications (Continued)
- 10+ years of experience in Java development, with extensive knowledge of Spring Boot and
Hibernate.
- Strong Linux development and deployment skills, including but not limited to bash scripting.
- Knowledge of ISO and RPM creation and deployment.
- Experience with CentOS/Red Hat distributions.
- Full understanding of OS principles and architecture of real-time systems.
- Proven experience in deploying and managing applications on AWS, utilizing services such as
EC2, S3, and RDS.
- Strong experience with Elasticsearch for efficient search and data retrieval.

Proficient in unit testing and mocking frameworks such as JUnit and Mockito.
- Solid understanding of SOLID principles, object-oriented design, and design patterns.
- Hands-on experience with Git, CI/CD pipelines, and Agile methodologies.
- Strong communication skills to articulate technical concepts and mentor teams.
Good to Have
- Experience with containerization (Docker, Kubernetes) for deploying Java applications in cloud
environments.
- Familiarity with microservices architecture and event-driven systems.

Our team is highly motivated and focused on engineering excellence.

We look for individuals who appreciate challenging themselves and thrive on curiosity.

Engineers are encouraged to work across multiple areas of the company.

We operate with a flat organizational structure.

All employees are expected to be hands-on and to contribute directly to the company’s mission.

Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important.

All engineers and researchers are expected to have strong communication skills.

They should be able to concisely and accurately share knowledge with their teammates.

Interview Process:

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 30-minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

• Coding assessment in a language of your choice.
• Systems design: Translate high-level requirements into a scalable, fault-tolerant service.
• Systems hands-on: Demonstrate practical skills in a live problem-solving session.
• Project deep-dive: Present your past exceptional work to a small audience.
• Meet and greet with the wider team.
• Our goal is to finish the main process within one week.
• We don’t rely on recruiters for assessments.
• Every application is reviewed by a member of our technical team.

DataDirect Networks, Inc. is an Equal Opportunity/Affirmative Action employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity, gender expression, transgender, sex stereotyping, sexual orientation, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.