Java Backend Engineer

Java Backend Engineer

Location: St Louis, MO (Hybrid, 3 days onsite/week) Long Term Contract Requirements

• Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST, SOAP), Spring boot, Spring MVC, Spring 4.0, Hibernate/JPA, API Gateway, Azure and Microservices.
• 7-12 years of experience desired in designing software solutions using software architecture design principles.
• Payment domain expertise and ability to drive the team, integrations, migrations, create approach.
• Good to have experience in Angular, and front-end technologies.
• Understanding of Kafka, Integration patterns, Security standards, Concurrency and Multi-threading, Collections, PostgreSQL, Azure, Docker, Kubernetes
• Hands-on, high-energy, detail-oriented, proactive, and able to function independently under pressure.
• Strong Problem-Solving skills.
• Distributed systems (Databases, caches, microservices, message broker)
• API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract
• Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest
• Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock
• Static Code Analysis using SonarQube/Xcode Static Analyzer
• Hands on with Jenkins/PCF or similar tools for automated provisioning of build and test infrastructure.
• Troubleshooting with Splunk, API aids like Swagger/Postman and source control systems like Git
• Intermediate knowledge of Maven, Junit, Redis, Oracle database, SQL, Unix command, Shell scripting.
• Good to have exposure to Financial/Banking Domain, Frontend development, JavaScript, HTML5, CSS3, Bootstrap/Material UI, Angular.
• Good knowledge of tools like Sonar, Data-dog/Dynatrace, GIT, SVN, Rally/Jira, CI (Jenkin / Bamboo)/CD, Splunk
• Strong communication skills -- both verbal and written – with strong relationship, collaborative skills, and organizational skills
• Proven experience in Agile methodology, SDLC & implementation of Projects, debugging the applications.