Java Developer

Position Title: Java Developer

Location: St. Louis, MO (Hybrid 3 days)

Duration: 12 Months contract with possibility of extension

The Role:

What s it all about and what we expect you to do day to day

• Own software delivery tasks (code development, test, deployment) at an application/software component level
• Able to troubleshoot and refactor existing code for exceptional code quality.
• Adopt new languages and architecture patterns needed for the work.
• Participate and contribute to team s agile process and decisions.
• Pull from backlog and deliver work after seeking guidance from experienced team members and in partnership with full scrum team.
• Understands the big picture and end-to-end logical architecture of systems in ownership areas
• Provide feedback and suggestions on areas to improve
• Understands the use of Mastercard technology policies in everyday work
• Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives
• Influence the decisions made by the team.
• Assist peers and less experienced members.
• Influence the decisions made by the team.
• Assist in technical documentation of APIs and services being delivered.

All About You and What you need to bring:

• Working experience on messaging solutions and integration patterns such as Apache Kafka, NATS.
• Understands stateful stream processing concepts and knows basics of Apache Flink.
• Has ability to write secure code in three or more languages (e.g., Java, .NET, JavaScript, SQL)
• Familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT)
• Infrastructure as code and cloud first software development knowledge experience preferred.
• Understands and implements standard branching (e.g., Gitflow) and peer review practices
• Apply tools (e.g., Sonar, Zally, Checkmarx ) and techniques to scan and measure code quality and anti-patterns as part of development activity
• Understands and builds test code at unit level, service level, and integration level to ensure code and functional coverage
• Understands the use of basic design patterns (e.g., factory, adaptor, singleton, composite, observer, strategy, inversion of control)
• Understands requirement analysis being essential part of delivering value to our customers and partners and participate in elaboration, prioritization, and effort estimation
• Understands agile and modern SDLC practices (Scrum/Kanban/Continuous Delivery/DevOps/Quality engineering) and the delivery situations they are used for
• Understands the basic engineering principles used in building and running mission critical software capabilities (security, customer experience, testing, operability, simplification, service-oriented architecture)
• Familiar with different application patterns to implement different types of business processes (e.g., APIs, event-driven-services, batch-services, web-applications, big data)
• Understands Continuous Integration (CI) and Delivery (CD) concepts, and capabilities to support automation, pipelines, virtualization, and containerization
• Has ability to write code (in languages such as Java, Python, Ruby, Bash, Perl, Groovy) to build automation tasks that are repeatable and efficient
• Understands functional and non-functional testing types to elaborate and estimate test efforts