In this role you will:
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
What you'll need:
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 experience building backend applications using Java, C#, Go, Python, Kotlin, Scala, or similar modern programming languages
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.
Bonus points for:
Experience building and operating applications on Google Cloud Platform (GCP)
Experience with Cloud SQL for MySQL
Experience using Google Cloud services such as Cloud Monitoring, Cloud Logging, Pub/Sub, Cloud Storage, Secret Manager, Cloud Build, or Cloud Deploy
Experience supporting financial services, trading platforms, or other high-throughput transactional systems
Experience working in startup or high-growth engineering environments where engineers owned both application development and database performance
Experience improving developer productivity through tooling and automation
Experience designing highly available, fault-tolerant distributed systems
Experience implementing observability solutions, performance monitoring, and database telemetry
Experience leveraging AI/ML tools or technologies to improve software development, operational efficiency, or engineering productivity
Compensation:
The salary range for this role will be $130,000.00 - $180,000.00 USD. In addition, this position will also receive an annual target bonus of 10%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).
Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. NinjaTrader offers a 401K plan through ADP under which the company will match up to 3.5% of employee contributions. Annual paid time off allowance accrues at a rate of 18 days per year plus seven paid holidays.
All offered compensation will be based on assessed experience and is subject to change at the offer stage.
Location:
This role is based in Chicago, IL. *There may be remote flexibility for exceptional candidates in the following states: California, Colorado, Florida, Georgia, Illinois, Indiana, Minnesota, Missouri, Montana, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Washington, Washington DC, Wisconsin.
Hybrid:
For Chicago-based employees, we follow a hybrid work schedule: In-office Tuesday through Thursday, with remote work on Mondays and Fridays. In addition to these weekly remote days, we offer:
20 additional flex remote days annually
5 Company Wide Office-Optional weeks tied to major holidays
Our Core Benefits Include:
Generous PTO
7 Paid Holidays Annually + 5 Conditional Holidays Annually
1 Service Day Annually
401k with 3.5% Company Match
Paid Parental Bonding Leave
Health, Vision, Dental Coverage
Life and Disability Insurance Covered 100% by NinjaTrader
We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.