Senior Database Reliability Engineer: Data Platform Architect

NinjaTrader; United States; On-site; USD 96,000 - 192,000; Full time

Job summary

NinjaTrader is seeking a Sr. Database Reliability Engineer II to architect, evolve, and optimize the data platform powering core trading apps.

You will work with engineers to tackle performance bottlenecks, design scalable schemas, and improve reliability across cloud-based services. Ideal candidates have 8+ years of backend experience, deep MySQL expertise, and a track record in implementing migrations and tuning for low-downtime deployments.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or related field
• 8+ years of professional software engineering experience
• Strong experience building backend applications using Java, C#, Go, Python, Kotlin, Scala, or similar
• Expert-level experience with MySQL in large-scale production environments
• Deep understanding of SQL optimization, Query execution plans, Indexing strategies, Transactions and isolation levels, Locking and concurrency, Schema design and normalization, Replication and high availability
• Experience designing scalable database schemas for high-volume transactional applications
• Experience troubleshooting complex application and database performance issues
• Experience implementing database migration strategies supporting continuous delivery
• Strong understanding of software architecture, distributed systems, and engineering best practices
• Experience leading technical initiatives and influencing architectural decisions across engineering teams
• Excellent collaboration and communication skills with the ability to explain complex technical concepts to engineers and cross-functional stakeholders
• Passion for improving developer productivity by building automation, developer tooling, database testing frameworks, performance benchmarking harnesses, and engineering best practices

Responsibilities

• Design and evolve MySQL schemas supporting high-volume transactional workloads
• Define and drive improvements to NinjaTrader's data platform architecture, including online schema changes, zero/low-downtime database migrations, blue/green deployments, and scalability initiatives that support long-term platform growth
• Analyze and optimize SQL queries, indexes, and execution plans to improve application performance
• Develop production-quality software that improves our persistence layer, developer tooling, and data platform capabilities
• Design scalable data models that balance performance, maintainability, and long-term growth
• Build reusable libraries, frameworks, and tooling that simplify data access and improve developer productivity across engineering teams
• Lead database performance tuning initiatives across applications and services
• Drive modernization initiatives for database architecture, deployment processes, and operational reliability
• Design and implement safe, repeatable database migration strategies supporting continuous delivery
• Investigate and resolve complex production issues involving application performance, database behavior, locking, concurrency, and data integrity
• Establish engineering standards and best practices for schema design, indexing, SQL development, database migrations, and data access patterns
• Partner with Platform Engineering to improve database monitoring, backup strategies, disaster recovery, and operational resilience
• Leverage Google Cloud Platform services, including Cloud SQL, Cloud Monitoring, Cloud Logging, and related tooling, to improve the reliability, scalability, and observability of our data platform
• Mentor engineers on data modeling, SQL optimization, MySQL best practices, and application performance optimization
• Lead technical design discussions and architecture reviews related to database-backed applications
• Evaluate emerging technologies and recommend solutions that improve platform scalability, maintainability, and engineering efficiency
• Serve as a technical leader and trusted advisor for database architecture, application performance, and data platform best practices

Skills

Backend development

MySQL expert

SQL optimization

Database performance tuning

Data modeling

Problem solving

Leadership

Education

Bachelor's degree in Computer Science/Engineering or related field

Tools

Google Cloud Platform (GCP)

Cloud SQL for MySQL

Cloud Monitoring

Cloud Logging

Job description

NinjaTrader is seeking a Sr. Database Reliability Engineer II to architect, evolve, and optimize the data platform powering core trading apps.

You will work with engineers to tackle performance bottlenecks, design scalable schemas, and improve reliability across cloud-based services. Ideal candidates have 8+ years of backend experience, deep MySQL expertise, and a track record in implementing migrations and tuning for low-downtime deployments.