Software Developer Jobs, Employment in Warrenton,MO Now Hiring September 2026

Manager, Software Engineering

Mastercard

O Fallon, MO 63368

~ 28 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Extensive software engineering and architecture experience, including people leadership responsibility for complex, mission-critical platforms.
Proven success delivering distributed, scalable, low-latency systems and high-volume transaction-processing applications.
Strong experience with Java, Spring-based services, RESTful APIs, automated testing, and service-oriented architecture.
Working knowledge of Java 21, JUnit, Mockito, Spring Framework, Spring Boot, Spring Security, Maven, and SonarQube.
Experience with Git-based development workflows and tools such as Bitbucket.
Experience with Oracle Database, Linux environments, shell scripting, and distributed data technologies such as GemFire Grid.
Experience with cloud platforms and deployment tools, preferably Pivotal Cloud Foundry, Jenkins, and Habitat.
Familiarity with observability and operational tools such as Splunk and Dynatrace.
Understanding of secrets management and secure configuration practices using tools such as HashiCorp Vault.
Familiarity with Rally, Microsoft Remote Desktop, and Synapse or similar engineering and operational tools.
Experience in fintech, digital payments, fraud detection, authentication, or identity systems.
Strong understanding of application security, secure SDLC practices, PCI considerations, and compliance-driven architecture.
Demonstrated experience with monitoring, incident management, performance tuning, operational readiness, and reliability engineering.
Experience leading teams through platform modernization, transformation, or large-scale technology change.
Establish clear engineering goals, performance measures, and quality standards.
Improve engineering processes, tools, and metrics to increase delivery efficiency and product quality.
Build, coach, and retain high-performing engineering teams through regular feedback, career development, and performance management.
Foster a culture of ownership, collaboration, innovation, and continuous learning.
Partner with Product, Operations, and Business teams to define priorities, scope, roadmaps, and delivery plans.
Communicate technical strategy, risks, progress, and outcomes to executive and non-technical stakeholders.
Represent Engineering in strategic planning, budgeting, forecasting, and resource-planning discussions.