Sr Software Engineer - Java and API Development

Job Description

This position is not eligible for visa sponsorship, now or in the future. Candidates must be a US Citizen or Green Card Holder 

This position is hybrid 3 days per week in our Cincinnati, OH office 

Are you ready to write your next chapter? 

Make your mark at one of the biggest names in payments. We’re looking for a Sr. Software Engineer - Java to join our ever-evolving Fraud and Disputes team and help us unleash the potential of every business.  

What you’ll own as the Software Engineer - Java 

• Provide strong Java development for on-prem and cloud-based software architecture and scalable API designs. 

• Design, develop, and maintain backend services and APIs using Java and Spring Boot. 

• Conduct unit testing, integration testing, and debugging. 

• Participate in software design meetings and analyze user needs to determine technical requirements. 

• Ensure enforcement of IT standards and chosen Technology Stack 

• Design and develop key application components as microservices by adapting the Twelve-Factor Application Methodology using Spring Boot, Java, and RESTful architecture. 

• Design and develop apps with high throughput and low latency applying load balancing, caching, threading etc. 

• Write technical specifications based on conceptual design and stated business requirements. 

• Optimize system performance and ensure reliability and scalability. 

• Support deployment and monitoring of services in cloud environments. 

• Document procedures for installation, maintenance, and support. 

• Participate in Agile ceremonies and contribute to sprint planning and estimation. 

• Perform other related duties as assigned. 

What you’ll bring 

• 7+ years of professional experience in backend software development 

• Bachelor’s degree in Computer Engineering, Computer Science, or related discipline, or equivalent combination of education, training, and experience. 

• Proficiency in Java and Spring Boot 

• Experience developing RESTful APIs and microservices 

• Object-oriented and service-oriented design concepts, including knowledge of data transfer objects and associated design patterns. 

• Experience working with cloud computing strategies and architecture (Kubernetes, AWS services such as EKS, Lambda, Dynamo DB, API gateway, SQS, EC2, S3, CloudWatch, IAM roles/polices etc.) 

• Experience in implementing Micro services Architecture & building / deploying highly automated, scalable, and maintainable infrastructure. 

• Experience in container-based development (Docker, Kubernetes) 

• Experience working with OAuth 2.0 framework and scopes. 

• Experience with modern software development tools for Continuous Integration including Jenkins, Git/GitHub, Checkmarx, Blackduck, Nexus, Maven, SonarQube, and Snyk. 

• Knowledge of security vulnerabilities in web applications and experience addressing them. 

• Familiarity with relational databases (e.g., PostgreSQL, MySQL) 

• Agile software development life cycle experience 

• Strong problem-solving and debugging skills 

• Ability to work collaboratively in a team environment 

• Solid communication and documentation skills 

It’s a bonus if you have 

• Experience with frontend frameworks such as Ionic, AngularJS. 

• Experience with front-end technologies such as JavaScript, TypeScript, JQuery, Ajax, HTML5, CSS3, and Bootstrap. 

About the team 

To learn more about our winning teams, check out our world-class teams that own it every day.  

What makes a Worldpayer 

What makes a Worldpayer? It’s simple: Think, Act, Win. We stay curious, always asking the right questions and finding creative solutions to simplify the complex. We’re dynamic, every Worldpayer is empowered to make the rig