Job Description: Database Developer (RDBMS, Vector Databases and NoSQL) (7~10 years)
Position Overview
We are seeking a skilled and innovative Database Developer with expertise in Relational Database Management Systems (RDBMS), NoSQL databases, and emerging Vector databases. The ideal candidate will design, develop, and optimize database solutions to meet our application needs, ensuring high performance, scalability, and reliability. This role involves working with various database technologies and collaborating with cross-functional teams to implement modern data storage solutions.
Key Responsibilities
· Database Design and Development
- Design and implement database schemas for RDBMS (PostgreSQL, MS SQL Server).
- Implement vector databases for AI/ML applications (e.g., PGVector, Pinecone, Milvus).
- Develop and maintain NoSQL databases (e.g., MongoDB, Cassandra).
· Query Optimization and Performance Tuning
- Write and optimize complex SQL queries, stored procedures, and triggers.
- Analyse query performance and implement indexing strategies.
- Optimize NoSQL data models and queries for high-throughput and low-latency workloads.
· Database Administration
- Set up and configure database instances across RDBMS, NoSQL, and Vector database platforms.
- Monitor database health, performance, and storage capacity.
- Implement backup and disaster recovery solutions.
· Collaboration and Documentation
- Work closely with software engineers, data scientists, and product teams to understand database requirements.
- Document database designs, schemas, and operational processes.
· Security and Compliance
- Implement security best practices for databases, including encryption, role-based access, and auditing.
- Ensure compliance with data protection & privacy regulations (e.g., GDPR, HIPAA).
Required Skills and Qualifications
- Education: Bachelor’s degree in Computer Science, Information Technology, or a related field.
- Experience:
- 7~10 years of experience with RDBMS (e.g., MySQL, PostgreSQL, Oracle, or SQL Server).
- Hands-on experience with NoSQL databases (e.g., MongoDB, Cassandra).
- Knowledge of vector databases (e.g., PGvector, Pinecone, Milvus) and their integration with AI/ML workflows.
- Technical Skills:
- Proficient in SQL and NoSQL query languages.
- Strong understanding of database indexing, sharding, and replication.
- Experience with database orchestration tools (e.g., Flyway, Liquibase).
- Problem-Solving: Strong analytical skills for troubleshooting database issues and optimizing performance.
- Communication: Excellent verbal and written communication skills.
Preferred Skills
- Experience with graph databases (e.g., Neo4j, ArangoDB).
- Familiarity with large-scale data processing tools (e.g., Apache Spark, Kafka).
- Knowledge of AI/ML integration with vector databases.
- Certification in database technologies
HARMAN is proud to be an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
Top Skills
What We Do
Headquartered in Stamford, Connecticut, HARMAN (harman.com) designs and engineers connected products and solutions for automakers, consumers, and enterprises worldwide, including connected car systems, audio and visual products, enterprise automation solutions; and services supporting the Internet of Things. With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon®, Mark Levinson® and Revel®, HARMAN is admired by audiophiles, musicians and the entertainment venues where they perform around the world. More than 50 million automobiles on the road today are equipped with HARMAN audio and connected car systems. Our software services power billions of mobile devices and systems that are connected, integrated and secure across all platforms, from work and home to car and mobile. HARMAN has a workforce of approximately 30,000 people across the Americas, Europe, and Asia. In March 2017, HARMAN became a wholly-owned subsidiary of Samsung Electronics Co., Ltd. HARMAN is an Equal Opportunity, Affirmative Action employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply. HARMAN offers a great work environment, challenging career opportunities, professional training and competitive compensation. Looking for a challenge where your experience is valued? Come see what you can achieve as a leader with HARMAN!






