> Markdown version of [/jobs/ext/148402-sr-software-engineer-java-and-api-development](https://www.wearedevelopers.com/jobs/ext/148402-sr-software-engineer-java-and-api-development). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Software Engineer - Java and API Development - **Company:** WorldPay - **Location:** Cincinnati, OH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Ajax (Programming Language), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Component-Based Software Engineering, HTML5, Unit Testing, Bootstrap (Software), Cascading Style Sheets (CSS), Cloud Computing, Computer Engineering, Continuous Integration, Data Transmissions, Relational Databases, Software Debugging, Software Design Patterns, Amazon DynamoDB, Github, Identity and Access Management, JQuery, PostgreSQL, Apache Maven, MySQL, Cisco Nexus Switches, Object-Oriented Software Development, Scrum Methodology, Software Engineering, SonarQube, TypeScript, Web Applications, Load Balancing, Cloud Platform System, Spring-boot, Caching, AngularJS, Integration Tests, Kubernetes, Information Technology, Low Latency, Synopsys Black Duck, Front End Software Development, Checkmarx, Api Design, Cloudwatch, Api Gateway, Restful APIs, Amazon Simple Queue Service (SQS), Docker, Service Stack, Jenkins, Microservices - **Published:** May 13, 2026 - **Apply:** https://jobs.localjobnetwork.com/job/detail/87148391/Sr-Software-Engineer-Java-and-API-Development ## About the Role * 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. * Proficiencyin 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) * Experienceworking withOAuth2.0 framework and scopes. * Experience with modern software development tools for Continuous Integration including Jenkins, Git/GitHub,Checkmarx, Blackduck, Nexus, Maven, SonarQube, andSnyk. * Knowledge of security vulnerabilities in web applications and experience addressing them. * Familiarity with relational databases (e.g., PostgreSQL, MySQL) * Agilesoftware development life cycleexperience * Strong problem-solving and debugging skills * Ability to work collaboratively in a team environment * Solid communication and documentation skills It'sa bonus if youhave * Experience withfrontendframeworks such asIonic,AngularJS. * Experience with front-end technologies such as JavaScript, TypeScript,JQuery, Ajax, HTML5, CSS3, and Bootstrap. ## 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'relooking for a Sr.SoftwareEngineer- Javato join our ever-evolvingFraud and Disputesteamandhelp us unleash the potential of every business. Whatyou'llownas theSoftware Engineer- Java * Provide strong Java development for on-prem and cloud-based software architecture and scalable API designs. * Design, develop, andmaintainbackend services and APIs using Java and Spring Boot. * Conduct unit testing, integration testing, and debugging. * Participate in software design meetings and analyze user needs todeterminetechnical 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,threadingetc. * Write technical specifications based on conceptual design andstatedbusiness requirements. * Optimizesystem 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. ## Related Videos - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments) ## Related Articles - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023)