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Sr. Database Reliability Engineer II

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Sr. Database Reliability Engineer II in USA

  • NinjaTrader
  • Full time
  • Email
  • Remote

Responsibilities

  • Design and evolve MySQL schemas for high-volume transactional workloads.
  • Improve database platform architecture through online schema changes, low-downtime migrations, blue/green deployments, and scalability initiatives.
  • Analyze and optimize SQL queries, indexes, execution plans, transactions, locking, and concurrency.
  • Develop production software, reusable libraries, frameworks, and developer tooling for data access and platform capabilities.
  • Design scalable data models and establish standards for schema design, indexing, SQL development, migrations, and data access.
  • Lead database performance tuning, modernization, architecture reviews, and technical initiatives across engineering teams.
  • Investigate and resolve complex application and database performance, integrity, and production reliability issues.
  • Partner with Platform Engineering on monitoring, backups, disaster recovery, observability, and operational resilience.
  • Use Google Cloud services to improve data platform reliability, scalability, and observability.
  • Mentor engineers and serve as a technical advisor on database architecture, application performance, and data platform practices.

Requirements

  • Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience.
  • 8+ years of professional software engineering experience.
  • Strong backend application development experience with Java, C#, Go, Python, Kotlin, Scala, or similar modern languages.
  • Expert-level MySQL experience in large-scale production environments.
  • Deep knowledge of SQL optimization, query execution plans, indexing, transactions, isolation levels, locking, concurrency, schema design, normalization, replication, and high availability.
  • Experience designing scalable schemas for high-volume transactional applications and troubleshooting complex application and database performance issues.
  • Experience implementing database migration strategies for continuous delivery.
  • Strong understanding of software architecture, distributed systems, and engineering best practices.
  • Experience leading technical initiatives and influencing architectural decisions across engineering teams.
  • Strong collaboration and communication skills, including the ability to explain complex technical concepts.
  • Experience or passion for building automation, developer tooling, database testing frameworks, performance benchmarking harnesses, and engineering practices.
  • Preferred experience with Google Cloud Platform, Cloud SQL for MySQL, observability, highly available distributed systems, financial services or trading platforms, high-growth engineering environments, and AI/ML tools for development or operations.

Benefits

  • Chicago-based hybrid schedule with in-office work Tuesday through Thursday and remote work Monday and Friday.
  • 20 additional flex remote days annually and five company-wide office-optional weeks tied to major holidays.
  • Remote flexibility may be available for exceptional candidates in listed states.
  • Salary range of $130,000.00-$180,000.00 USD plus a 10% annual target bonus.
  • 401(k) plan with up to a 3.5% company match.
  • 18 days of annual PTO accrual, seven paid holidays, five conditional holidays, and one service day.
  • Paid parental bonding leave and health, vision, dental, life, and disability coverage, with life and disability insurance covered 100% by NinjaTrader.

Salary: $130k - $180k/yr

NinjaTrader

NinjaTrader empowers traders with advanced charting, strategy development, and automated execution tools that streamline market analysis and decision-making. By combining powerful analytics with customizable interfaces, the platform enables users to craft and test trading strategies efficiently. ...

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