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Software Developer, Market Data Interfaces (MDI)

MDI team is seeking a Software Developer to join and contribute across the MDI platform, Alpha Data Platform (ADP) microservices, and quality automation. This role is suited for an engineer who is comfortable working across a large enterprise Java codebase and modern cloud-native services, while also taking strong ownership of automated quality, reliability, and production support. The successful candidate will help design, build, test, troubleshoot, and evolve real-time and batch processing solutions that support market data, reference data, and downstream integration workflows in a regulated financial technology environment.

This engineer will work as a member of an Agile Scrum team, partnering closely with product owners, QA, support, platform teams, and peer development teams. The role requires equal strength in software design, hands-on implementation, defect investigation, and test automation. It is not a pure feature-development role; it also includes operational ownership, cross-team collaboration, and continuous improvement of engineering practices.

Key Responsibilities

• Design, develop, enhance, and maintain RTAPI components and related backend services used for real-time and batch data processing.
• Build and support ADP microservices using event-driven and service-oriented patterns.
• Implement user stories and defect fixes that meet acceptance criteria and Definition of Done without introducing unnecessary technical debt.
• Troubleshoot complex functional and production issues across distributed services, legacy modules, and integration layers.
• Perform root cause analysis for defects impacting internal users, support teams, and downstream systems.
• Write clean, maintainable, well-tested Java code with strong attention to reliability, performance, and supportability.
• Create and maintain automated unit, integration, functional, and regression tests.
• Improve QA automation coverage for APIs, event-driven flows, database-backed logic, and vendor/provider integrations.
• Validate business logic involving data transformations, reference data workflows, and vendor feed processing.
• Participate in backlog grooming, estimation, sprint planning, retrospectives, and technical design discussions.
• Review code, test plans, automation coverage, and design changes from peers.
• Contribute to build, deployment, and release readiness across shared environments.
• Identify risks, dependencies, and blockers early, and work across teams to resolve them.
• Mentor junior engineers and help raise engineering standards across the team.
• Contribute to documentation, test strategy, support runbooks, and long-term platform improvements.

Technical Environment

• Java 17
• Gradle
• Spring Boot, Spring Cloud, Spring Integration, Spring Cloud Stream
• Event-driven microservices
• Azure Service Bus
• Service/message contracts
• SQL Server and Snowflake
• JUnit 5, integration-test frameworks, functional automation
• JaCoCo, SonarQube
• Kubernetes, Helm, Skaffold, Argo CD
• Jib/containerized deployment patterns
• Observability, tracing, structured logging
• Enterprise CI/CD and secure dependency management

What You Will Own

• Delivery of new RTAPI and microservice capabilities from design through automated validation
• Stability and supportability of critical data-processing workflows
• High-quality automation for unit, integration, and regression coverage
• Investigation and resolution of complex issues affecting production or client-facing workflows
• Technical leadership within the Scrum team, including code quality, design quality, and execution discipline

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical field; equivalent practical experience will also be considered.
• Strong professional software engineering experience in Java development
• Proven experience building and maintaining enterprise backend systems or microservices
• Strong understanding of object-oriented design, data structures, concurrency, and distributed systems
• Hands-on experience with Spring Boot and service-based application development
• Strong SQL and database experience, including troubleshooting data and query-related issues
• Experience building automated tests at multiple layers, including unit and integration testing
• Experience debugging complex issues across code, configuration, data, and environment boundaries
• Strong written and verbal communication skills
• Demonstrated success working in Agile/Scrum teams
• Ability to collaborate effectively across development, QA, support, and platform teams

Preferred Qualifications

• Experience with financial systems, capital markets, market data, or reference data platforms
• Experience with Azure messaging or other cloud-based event platforms
• Experience with contract-based integration, or message-driven architecture
• Experience with Kubernetes-based deployment models
• Experience with production support, observability, and incident investigation
• Experience modernizing legacy platforms while also building new microservices
• Experience mentoring engineers and leading technical work within a sprint-based team

Salary Range:

The range quoted above applies to the role in the primary location specified. If the candidate would ultimately work outside of the primary location above, the applicable range could differ.

Employees are eligible to participate in State Street's comprehensive benefits program, which includes: our retirement savings plan (401K) with company match; insurance coverage including basic life, medical, dental, vision, long-term disability, and other optional additional coverages; paid-time off including vacation, sick leave, short term disability, and family care responsibilities; access to our Employee Assistance Program; incentive compensation including eligibility for annual performance-based awards (excluding certain sales roles subject to sales incentive plans); and, eligibility for certain tax advantaged savings plans.

For a full overview, visit https://hrportal.ehr.com/statestreet/Home.

Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.

We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you'll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future.

As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law.

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