Senior Software Engineer – Real-Time Data Platform

You’ll be working on a distributed, event-driven platform responsible for processing billions of market data messages per day. This is a high-performance environment where reliability, scalability, and correctness are essential.

Our platform acts as the backbone of the business, ensuring that accurate and timely market data flows seamlessly to downstream systems that depend on it for analytics.

You’ll collaborate closely with engineers, product teams, and stakeholders to design, build, and operate resilient systems that handle extreme data volumes with precision—while also maintaining a strong focus on cost efficiency, scalability, and operational excellence.

Excellent collaboration and communication skills.

Strong experience in distributed systems and event-driven architectures.

Hands-on experience with: Apache Flink (or similar stream processing frameworks) Kafka or other messaging systems.

Strong Proficiency in .NET or Java.

Experience building systems that are highly observable and operationally mature, with strong monitoring, logging, and alerting practices.

Strong understanding of performance tuning, scalability, and fault tolerance.

Good understanding of cost implications when designing systems, including the ability to project costs as we scale.

Work on systems that are mission-critical to the entire business

Operate and evolve a platform handling billions of messages per day

Solve complex engineering challenges at massive scale

Be part of a team that values ownership, collaboration, and delivery

Opportunity to shape a high-performance, cost-efficient, and highly observable data platform

If you’re motivated by building robust, scalable systems that operate under constant load, and want to have a direct impact on a platform the entire business depends on, we’d love to hear from you.

We expect the compensation and target bonus for this role to fall within the stated range. The specific compensation offered will depend on the candidate’s qualifications, experience, and other job-related factors.

Morningstar's hybrid work environment gives you the opportunity to collaborate in-person each week as we've found that we're at our best when we're purposely together on a regular basis. In most of our locations, our hybrid work model is four days in-office each week. A range of other benefits are also available to enhance flexibility as needs change. No matter where you are, you'll have tools and resources to engage meaningfully with your global colleagues.