Sr. Database Developer (MySQL)

Sr. Database Developer (MySQL)

Experience: 7+ years

About Bay6.ai

Bay6.ai is an enterprise AI solutions company that builds purpose-driven software for automation, insights, and customer engagement. We combine AI/ML, APIs, cloud-native architectures, and intelligent automation to deliver scalable enterprise solutions across Financial Services, Insurance, Healthcare, Retail & E-commerce, Education, and Travel & Hospitality.

At Bay6.ai, you will join a visionary team operating in a mature tech environment with high expectations, rapid iteration cycles, and impactful customer-facing systems.

Must-Have Skills

1. Strong hands-on experience in database development and administration, including AWS RDS, performance optimization, replication, high availability, backup, and recovery.
2. Hands-on experience in database development and administration, including schema design, SQL development, query optimization, performance tuning, backup, recovery, and troubleshooting.
3. Strong expertise in writing complex, efficient, and optimized SQL queries for relational databases.
4. Strong experience developing and optimizing stored procedures, functions, triggers, views, and other database objects.
5. Deep understanding of RDBMS fundamentals, database architecture, indexing, transactions, concurrency, data integrity, and query optimization.
6. Strong expertise in schema design, data modeling, normalization, ER diagrams, and dimensional modeling.
7. Experience in database performance tuning, troubleshooting, monitoring, and capacity planning.
8. Experience with replication, backup, recovery, failover, and high-availability strategies.
9. Hands-on experience developing interactive dashboards and reports, creating DAX-based metrics and KPIs, analyzing data, and translating business requirements into BI solutions.
10. Demonstrated experience in technical leadership, mentoring, code reviews, and guiding development teams.

Responsibilities:

• Lead the design, development, and implementation of database solutions using MySQL and PostgreSQL. Develop and optimize SQL queries, stored procedures, functions, triggers, views, indexes, and other database objects.
• Define and enforce database development standards, coding practices, naming conventions, and architectural patterns. Ensure solutions are scalable, maintainable, secure, and reliable.
• Design and review logical and physical data models, schemas, ER diagrams, normalized databases, and dimensional models such as star and snowflake schemas. Ensure data integrity, consistency, and quality.
• Administer, configure, monitor, and optimize MySQL on AWS RDS, including replication, high availability, backup, recovery, failover, capacity planning, and database scaling.
• Develop, administer, and optimize PostgreSQL databases, including schema design, indexing, query optimization, performance tuning, backup, recovery, monitoring, and troubleshooting.
• Identify and resolve database performance issues such as slow queries, poor execution plans, indexing problems, locking, deadlocks, transaction issues, and resource bottlenecks. Perform root-cause analysis and implement permanent solutions.
• Implement database security and access controls and maintain backup, recovery, replication, high availability, and disaster recovery strategies. Support RPO/RTO requirements and participate in recovery and failover testing.
• Monitor database health, performance, storage, connections, replication, and resource usage. Establish performance baselines and support production incidents, troubleshooting, and preventive actions.
• Support database migrations, upgrades, modernization, and cloud adoption initiatives, including migration to AWS RDS where required.
• Develop and maintain Power BI dashboards and reports based on business requirements. Create meaningful KPIs, metrics, and DAX measures and convert business requirements into actionable BI solutions.
• Build Power BI semantic/data models with relationships, measures, hierarchies, and dimensional structures. Optimize DAX, queries, models, refresh processes, and report performance for large datasets.
• Analyze business and operational data to identify trends, patterns, anomalies, and insights. Validate and reconcile Power BI reports and metrics with source database data to ensure accuracy.
• Publish and manage Power BI reports and semantic models using Power BI Service, including workspaces, scheduled/incremental refreshes, gateways, deployment, and Row-Level Security (RLS) where required.
• Provide technical leadership and mentoring to junior database developers, conduct code reviews, manage database development tasks, and work with architects, product managers, developers, analysts, and business stakeholders on technical and reporting requirements.
• Maintain clear documentation for database architecture, data models, development standards, operational procedures, security, backup/recovery, troubleshooting, and BI solutions. Promote data governance, quality, and best practices across teams.

Required Skills& Experience:

• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field.
• 7+ years of progressive experience in database development, database engineering, or database architecture, with significant experience in a senior or lead capacity.
• Extensive hands-on experience with MySQL database development and administration.
• Hands-on experience with MySQL on AWS RDS, including administration, performance tuning, replication, high availability, monitoring, backup, recovery, and optimization.
• Hands-on experience with PostgreSQL database development and administration, including schema design, SQL development, query optimization, indexing, performance tuning, backup, recovery, and troubleshooting.
• Expert-level proficiency in advanced SQL, including complex joins, subqueries, CTEs, window functions, aggregations, execution plans, and query optimization.
• Strong experience developing and optimizing stored procedures, functions, triggers, views, and other database objects.
• Proven experience designing and implementing large-scale, high-performance database solutions.
• Strong knowledge of database schema design, normalization, indexing, transactions, concurrency, data integrity, and RDBMS concepts.
• Experience developing ER diagrams, logical and physical data models, database scripts, and data extraction processes.
• Experience with database security, backup, disaster recovery, replication, failover, and high-availability solutions.
• Hands-on experience with Power BI, including interactive dashboards and reports, DAX-based metrics and KPIs, data analysis, and business reporting.
• Strong proficiency in DAX and experience with Power BI semantic models, Power Query, Power BI Service, workspaces, refreshes, gateways, and report performance optimization.
• Experience integrating Power BI with MySQL and other enterprise data sources.
• Demonstrated leadership, mentoring, code review, and project coordination experience.
• Strong problem-solving, analytical, debugging, and troubleshooting skills.
• Excellent communication, presentation, stakeholder management, and interpersonal skills.
• Proficiency with Git and experience working in Agile/Scrum environments.